Works (87)

Updated: September 3rd, 2024 08:22

2023 journal article

A Robust Bubble Growth Solution Scheme for Implementation in CFD Analysis of Multiphase Flows

COMPUTATION, 11(4).

By: H. Pang n & G. Ngaile n

author keywords: Rayleigh-Plesset equation; finite difference; euler method; cavitation
Source: Web Of Science
Added: May 15, 2023

2023 review

Energy field assisted metal forming: Current status, challenges and prospects

[Review of ]. INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 192.

By: H. Li*, L. Peng*, B. Meng*, Z. Xu*, L. Wang*, G. Ngaile n, M. Fu*

author keywords: Energy-assisted metal forming; Electrically-assisted forming; Ultrasonic vibration assisted forming; Electromagnetic field supported forming; Microstructure evolution; Process modeling and simulation
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: November 13, 2023

2023 journal article

Harnessing Hydrodynamic Cavitation for Surface Modification and Strengthening

JOURNAL OF MICRO AND NANO-MANUFACTURING, 11(3).

By: H. Pang n & G. Ngaile n

author keywords: hydrodynamic cavitation; CFD; surface hardening; surface texturing
Source: Web Of Science
Added: August 26, 2024

2023 journal article

Improving Material Formability and Tribological Conditions through Dual-Pressure Tube Hydroforming

JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING, 7(4).

By: G. Ngaile n & M. Avila n

author keywords: dual-pressure tube hydroforming; loading path; lubrication; formability
Source: Web Of Science
Added: September 11, 2023

2022 book

Tribology in manufacturing processes : selected peer-reviewed full text papers from the 9th International Conference on Tribology in Manufacturing Processes and Joining by Plastic Deformation (ICTMP2021 : November 24-26, 2021, Chennai, India

Baech, Switzerland: Scientific.Net, Trans Tech Publications Ltd.

Gracious Ngaile

Ed(s): G. Ngaile, P. Montmitonnet & K. Dohda

Event: 9th International Conference on Tribology in Manufacturing Processes and Joining by Plastic Deformation (ICTMP2021 at Chennai, India on November 24-26, 2021

Source: NC State University Libraries
Added: December 3, 2022

2022 journal article

Utilization of Secondary Jet in Cavitation Peening and Cavitation Abrasive Jet Polishing

MICROMACHINES, 13(1).

By: H. Pang n & G. Ngaile n

author keywords: cavitation; peening; jet polishing
TL;DR: Through characterizing the treated surface of AL6061 in terms of the hardness distribution and surface roughness, it was found out that the secondary jet can increase the hardening intensity by 10%, whereas the material removal rate within a localized region increased by 66%. (via Semantic Scholar)
Source: Web Of Science
Added: February 28, 2022

2021 journal article

Non-contact temperature control and stereo digital image correlation for high-temperature testing of miniature tubular specimens

REVIEW OF SCIENTIFIC INSTRUMENTS, 92(11).

By: F. Rahman n, G. Ngaile n & T. Hassan n

MeSH headings : Hot Temperature; Temperature
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 4, 2021

2021 journal article

Optimized stereo digital image correlation setup for miniature round specimen: framework development and implementation

OPTICS AND LASERS IN ENGINEERING, 144.

By: F. Rahman n, G. Ngaile n & T. Hassan n

author keywords: Stereo digital image correlation; Miniature material testing; Optimization
TL;DR: It is shown in the present study that the experimental setup related difficulties, particularly for miniature round specimen testing, can be overcome by a systematic development of a mathematical framework for stereo-DIC implementation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: June 10, 2021

2020 journal article

A novel gripper for multiaxial mechanical testing of microtubes at elevated temperatures

REVIEW OF SCIENTIFIC INSTRUMENTS, 91(5).

By: L. Li n, Y. Chan n, G. Ngaile n & T. Hassan n

TL;DR: A set of grippers are developed that can transfer required testing loads under fully coupled combinations of axial force and internal pressure and enable tensile, compression, torsion, and microtube bulge material tests to be accurately performed. (via Semantic Scholar)
Source: Web Of Science
Added: June 15, 2020

2020 journal article

Die Design Architecture for Enhancing Tool Life Via Manipulation of the Elastic Strain Field of the Dies During Extrusion Processes

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 143(3).

By: G. Ngaile n & D. Rodrigues n

author keywords: extrusion; die design; die-workpiece contact pressure; tool life; ejection load; bulk deformation processes (e; g; extrusion; forging; wire drawing; etc; ); modeling and simulation
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 8, 2021

2020 journal article

Formulation of SiO2/oil nanolubricant for metal forming using hydrodynamic cavitation

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 234(12), 1549–1558.

By: H. Pang n & G. Ngaile n

author keywords: Hydrodynamic cavitation; nanoparticle; dispersion; lubrication; tribology; metal forming
Source: Web Of Science
Added: July 27, 2020

2020 journal article

Modeling of a valve-type low-pressure homogenizer for oil-in-water emulsions

CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION, 160.

By: H. Pang n & G. Ngaile n

author keywords: Homogenizer; Hydrodynamic cavitation; Emulsification; Computer simulation; Disruption mechanisms
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 15, 2021

2019 chapter

Deformation Processes

In Y. Huang, L. Wang, & S. Y. Liang (Eds.), Handbook on Manufacturing (pp. 277–382).

By: B. Kinsey*, K. Mori* & G. Ngaile n

Ed(s): Y. Huang, L. Wang & S. Liang

UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Source: NC State University Libraries
Added: December 26, 2021

2019 journal article

Development of a non-isothermal forging process for hollow power transmission shafts

JOURNAL OF MANUFACTURING PROCESSES, 47, 22–31.

By: H. Pang n & G. Ngaile n

author keywords: Non-isothermal forging; Hollow shaft; Lighgtweight
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: December 16, 2019

2019 journal article

Development of scanning electron microscope-compatible multiaxial miniature testing system

MEASUREMENT SCIENCE AND TECHNOLOGY, 30(10).

By: F. Rahman n, G. Ngaile n & T. Hassan n

author keywords: miniature test; multiaxial test; in situ testing; scanning electron microscope; digital image correlation
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 20, 2020

2019 journal article

High injection pressure diesel sprays from a piezoelectric fuel injector

APPLIED THERMAL ENGINEERING, 152, 807–824.

By: L. Wang n, J. Lowrie n, G. Ngaile n & T. Fang n

Contributors: L. Wang n, J. Lowrie n, G. Ngaile n & T. Fang n

author keywords: Diesel spray; Ultra-high injection pressure; Spray angle; Penetration velocity; Near nozzle spray; Piezoelectric injector
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 6, 2019

2018 journal article

Development of a Non-isothermal Forging Process for Hollow Power Transmission Shafts

Procedia Manufacturing, 26, 1509–1516.

By: H. Pang n & G. Ngaile n

author keywords: Non-isothermal forging; hollow shaft; lighgtweight
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: February 24, 2020

2018 journal article

Investigation of energy storage in bolted joint components and the development of a geometry selection design tool for Belleville washers

ENGINEERING STRUCTURES, 178, 436–443.

By: B. Carcaterra n & G. Ngaile n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: January 21, 2019

2017 journal article

A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature

JOURNAL OF MICRO AND NANO-MANUFACTURING, 5(2).

By: L. Li n, G. Ngaile n & T. Hassan n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Analytical modeling of hydrodynamic lubrication in a multiple-reduction drawing die

Journal of Manufacturing Processes, 27, 291–303.

By: J. Lowrie n & G. Ngaile n

author keywords: Drawing; Hydrodynamic lubrication; Non-Isothermal; Analytical model
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: February 24, 2020

2017 journal article

Development of a Non-isothermal Forging Process for Hollow Axle Shafts

Procedia Engineering, 207, 454–459.

By: H. Pang n, J. Lowrie n & G. Ngaile n

author keywords: non-isothermal; forging process; hollow shaft
Source: Crossref
Added: February 24, 2020

2017 journal article

Punch design for floating based micro-tube hydroforming die assembly

Journal of Materials Processing Technology, 253, 168–177.

By: G. Ngaile n & J. Lowrie n

author keywords: Micro tubes; Hydroforming; Micro punch design
Source: Crossref
Added: February 24, 2020

2017 journal article

Scalability of conventional tube hydroforming processes from macro to micro/meso

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 232(12), 2164–2177.

By: J. Lowrie n & G. Ngaile n

author keywords: Forming; micro-hydroforming; die design; size effect; hydroforming
TL;DR: The difficulties that arise as a result of simply shrinking the traditional hydroforming tools to the microscale are discussed, and a simple mathematical model is proposed as a way to help designers determine the limits of the conventional punch with a tapered nose commonly used in tube hydroforming. (via Semantic Scholar)
Source: Web Of Science
Added: October 16, 2018

2017 journal article

Weight reduction of heavy-duty truck components through hollow geometry and intensive quenching

JOURNAL OF MANUFACTURING PROCESSES, 28, 523–530.

By: J. Lowrie n, H. Pang n & G. Ngaile n

author keywords: Heavy duty powertrain; Light weighting; Hollow shaft; Intensive quench
Source: Web Of Science
Added: August 6, 2018

2016 conference paper

A novel hybrid heating method for elevated temperature mechanical testing of miniature specimens

Proceedings of the ASME 11th International Manufacturing Science and Engineering Conference, 2016, vol 1.

By: L. Li n, G. Ngaile n & T. Hassan n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2016 article

Analytical Modeling of Hydrodynamic Lubrication in a Multiple-Reduction Drawing Die

44TH NORTH AMERICAN MANUFACTURING RESEARCH CONFERENCE, NAMRC 44, Vol. 5, pp. 707–723.

By: J. Lowrie n & G. Ngaile n

author keywords: Hydrodynamic Lubrication; Drawing; Analytical Modeling
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

New punch design for the elimination of punch ejection load through manipulation of the elastic strain field in the punch nose

JOURNAL OF MANUFACTURING PROCESSES, 22, 49–59.

By: J. Lowrie n & G. Ngaile n

author keywords: Punch design; Extrusion; Punch load; Tribology
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Preliminary Investigation of the Process Capabilities of Hydroforging

MATERIALS, 9(1).

By: B. Alzahrani n & G. Ngaile n

author keywords: hybrid process; hydroforging; tube hydroforming process; lightweight
TL;DR: To investigate the capability of hydroforging process, an experimental setup was developed and used to hydroforge various geometries, which included hollow flanged vessels, hexagonal flanged parts, and hollow bevel and spur gears. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Challenges in teaching modern manufacturing technologies

European Journal of Engineering Education, 40(4), 432–449.

By: G. Ngaile n, J. Wang* & J. Gau*

author keywords: manufacturing education; collaboration; active learning; technical skills; advanced manufacturing; engineering education research
UN Sustainable Development Goal Categories
4. Quality Education (Web of Science)
Source: Crossref
Added: February 24, 2020

2015 journal article

Novel extrusion punch design for elimination of punch ejection load and enhanced lubrication

Manufacturing Letters, 5, 12–16.

By: J. Lowrie n & G. Ngaile n

Source: Crossref
Added: February 24, 2020

2015 conference paper

Novel extrusion punch design for improved lubrication and punch ejection

Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, vol 1.

By: J. Lowrie n & G. Ngaile n

Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Analytical and Numerical Modeling of Thick Tube Hydroforging

Procedia Engineering, 81, 2223–2229.

By: B. Alzahrani n & G. Ngaile n

author keywords: Tube hydroforming process; Thick tube hydroforging; Analytical modeling; Numerical simulation; Loading path
Source: Crossref
Added: February 24, 2020

2014 journal article

Development of chemically produced hydrogen energy-based impact bonding process for dissimilar metals

JOURNAL OF MANUFACTURING PROCESSES, 16(4), 518–526.

By: G. Ngaile n, P. Lohr, J. Lowrie n & R. Modlin

author keywords: Hydrogen energy; Explosive welding; Metal bonding
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Die-less hydroforming of multi-lobe tubular structures

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 229(3), 435–452.

By: S. Hummel n & G. Ngaile n

author keywords: Die-less hydroforming; shell structures; finite element analysis; structure strength
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2014 conference paper

Enhancement of tribological performance via innovative tooling design for extrusion processes

Proceedings of the ASME 9th International Manufacturing Science and Engineering Conference, 2014, vol 2.

By: J. Lowrie n & G. Ngaile n

Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

High-velocity impact bonding of dissimilar metals by chemically produced hydrogen energy

Manufacturing Letters, 2(2), 40–43.

By: G. Ngaile n, P. Lohr, R. Modlin & J. Lowrie n

Source: Crossref
Added: February 24, 2020

2013 journal article

Editorial

Journal of Manufacturing Processes, 15(2), 181–182.

By: G. Ngaile n, B. Kinsey & S. Kapoor

Source: Crossref
Added: February 24, 2020

2013 chapter

Hydroforming Tribology

In Encyclopedia of Tribology (pp. 1765–1774).

By: G. Ngaile n

Source: Crossref
Added: April 8, 2021

2013 journal article

Part 1: Analytical modeling of symmetric multi-nose tube hydroforming

Journal of Manufacturing Processes, 15(2), 273–286.

By: B. Alzahrani n, G. Ngaile n & C. Yang n

author keywords: Multi-nose; Tube hydroforming; Finite element analysis; Analytical modeling
Source: Crossref
Added: February 24, 2020

2013 journal article

Part 2: Analytical modeling of regular planar polygon tube hydroforming as a special case of symmetric multi-nose tube hydroforming

Journal of Manufacturing Processes, 15(2), 287–297.

By: B. Alzahrani n & G. Ngaile n

author keywords: Multi-nose; Polygon tube hydroforming; Finite element analysis; Analytical modeling
Source: Crossref
Added: February 24, 2020

2011 article

Advances in Plastic Forming of Metals

Ngaile, G., & Kinsey, B. (2011, December). JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, Vol. 133.

By: G. Ngaile n & B. Kinsey*

Source: Web Of Science
Added: August 6, 2018

2011 journal article

Influence of ultrasonic vibration on micro-extrusion

ULTRASONICS, 51(5), 606–616.

By: C. Bunget n & G. Ngaile n

author keywords: Ultrasonic forming; Micro-forming; Micro-extrusion; Tribology
MeSH headings : Computer Simulation; Equipment Design / methods; Industry / methods; Manufactured Materials; Models, Theoretical; Sonication; Vibration
TL;DR: The principal objectives of this work were to investigate the possibility of applying ultrasonic vibrations in the micro-forming process, to design a set of tooling for ultrasonic micro-extrusion and to observe experimentally how ultrasonic oscillations influences the forming load and the surface finish. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Optimal load path input in tube hydroforming machines

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 226(B4), 694–707.

By: G. Ngaile n & G. Welch n

author keywords: tube hydroforming; load path; optimal load path; feed actuators; feed actuator power
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Preform Design for Tube Hydroforming Based on Wrinkle Formation

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 133(6).

By: C. Yang n & G. Ngaile n

author keywords: tube hydroforming; preform design; tube bulging; wrinkle onset; wrinkle evolution; FEA
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Real-Time Friction Error Compensation in Tube Hydroforming Process Control

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 133(6).

By: G. Ngaile n, C. Yang n & O. Kilonzo n

Source: Web Of Science
Added: August 6, 2018

2010 journal article

Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 211(1), 150–166.

By: A. Ghosh n, K. Deshmukh n & G. Ngaile n

author keywords: Tube hydroforming; Loading path; Interpolation
Source: Web Of Science
Added: August 6, 2018

2010 conference paper

Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation

Proceedings of the ASME International Manufacturing Science and Engineering Conference 2010, vol 1, 609–618.

By: A. Ghosh n, K. Deshmukh n & G. Ngaile n

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Preform design for forging and extrusion processes based on geometrical resemblance

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 224(B9), 1409–1423.

By: C. Yang n & G. Ngaile n

author keywords: preform design; forging; finite element simulation
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Analytical Model for the Characterization of the Guiding Zone Tribotest for Tube Hydroforming

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 131(2).

By: G. Ngaile n & C. Yang n

author keywords: finite element analysis; forming processes; fracture; friction; lubricants; pipes; stress-strain relations
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Application of Finite Element Method in Metal forming Tribology

Transaction of the North American Manufacturing Research Institution of SME, 37, 379–386.

By: G. Ngaile & C. Yang

Source: NC State University Libraries
Added: December 26, 2021

2008 journal article

Analytical model for characterizing the pear-shaped tribotest for tube hydroforming. Part 1

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 222(7), 849–863.

By: G. Ngaile n & C. Yang n

author keywords: tribotest; friction coefficient; tube hydroforming; closed-form equations
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Analytical model for planar tube hydroforming: Prediction of formed shape, corner fill, wall thinning, and forming pressure

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 50(8), 1263–1279.

By: C. Yang n & G. Ngaile n

author keywords: tube hydroforming; closed-form solution; finite element
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Applications of analytical model for characterizing the pear-shaped tribotest for tube hydroforming. Part 2

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE, 222(7), 865–873.

By: G. Ngaille & C. Yang n

author keywords: tribotest; friction coefficient; tube hydroforming; closed-form equations
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Influence of Ultrasonic Vibration on Microforming

Transaction of the North American Manufacturing Research Institution of SME, 36, 137–144.

By: G. Ngaile & C. Bunget

Source: NC State University Libraries
Added: December 26, 2021

2008 journal article

Performance of graphite and boron-nitride-silicone based lubricants and associated lubrication mechanisms in warm forging of aluminum

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 130(2).

By: G. Ngaile n & F. Botz*

author keywords: warm forging; lubricant formulation; graphite lubrication; boron nitride
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2008 chapter

Tribological aspects in hydroforming

In M. Koç (Ed.), Hydroforming for Advanced Manufacturing (pp. 144–178).

By: G. Ngaile n

Ed(s): M. Koç

Source: Crossref
Added: April 8, 2021

2008 book

Ultrasonic microforming

Saarbrucken: VDM Verlag Dr. Muller.

By: C. Bunget & G. Ngaile

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Formulation of polymer-based lubricant for metal forming

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 221(4), 559–568.

By: G. Ngaile n, J. Cochran n & D. Stark

author keywords: lubricant formulation; metal forming; environmentally friendly lubricants
Sources: Web Of Science, Crossref
Added: August 6, 2018

2006 journal article

A tribo-testing method for high performance cold forging lubricants

Wear, 262(5-6), 684–692.

By: G. Ngaile n, H. Saiki*, L. Ruan* & Y. Marumo*

author keywords: tribo-testing; lubricants; cold forging; surface evolution
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Development of Polymeric Based Lubricant for Cold Forging Processes

Transaction of the North American Manufacturing Research Institution of SME, 34, 563–570.

By: G. Ngaile, D. Stark & J. Cochran

Source: NC State University Libraries
Added: December 26, 2021

2006 journal article

Enhancing tribological conditions in tube hydroforming by using textured tubes

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 128(3), 674–676.

By: G. Ngaile n, M. Gariety* & T. Altan*

author keywords: tube hydroforming; lubrication; surface texture
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Evaluation of new cold forging lubricants without zinc phosphate precoat

INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 47(3-4), 673–681.

By: M. Gariety*, G. Ngaile n & T. Altan*

author keywords: environmental friendly lubricants; cold forging; zinc phosphate; double cup backward extrusion test
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2005 book

Cold and Hot Metal Forging: Fundamentals and Applications

Materials Park, OH: ASM International.

By: T. Altan, G. Ngaile & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2005 chapter

Friction and Lubrication

In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications.

By: G. Ngaile* & M. Gariety

Ed(s): T. Altan, G. Ngaile* & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2005 chapter

Near-Net shape forging and new development

In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications.

By: G. Ngaile* & M. Shirgaokar

Ed(s): T. Altan, G. Ngaile* & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2005 chapter

Plastic Deformation: Complex state of stress and flow rules

In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications.

By: G. Ngaile*

Ed(s): T. Altan, G. Ngaile* & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2005 chapter

Plastic Deformation: Strain and Strain Rate

In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications.

By: G. Ngaile* & M. Shirgaokar

Ed(s): T. Altan, G. Ngaile* & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2005 chapter

Process Modeling in Impression-Die Forging Using Finite-Element Analysis

In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications.

By: G. Ngaile*, M. Shirgaokar & G. Shen

Ed(s): T. Altan, G. Ngaile* & G. Shen

Source: NC State University Libraries
Added: December 26, 2021

2004 book

Cold and hot forging: Fundamentals and applications

Materials Park, Ohio: ASM International.

Gracious Ngaile

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Evaluation of stamping lubricants at various temperature levels using the ironing test

INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 45(4-5), 379–388.

By: S. Chandrasekharan*, H. Palaniswamy*, N. Jain*, G. Ngaile n & T. Altan*

author keywords: ironing; lubrication; tribotest
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Hydraulic crimping: Application to the assembly of tubular components

Journal of Materials Processing Technology, 146, 44–51.

By: M. Shirgaokar*, G. Ngaile*, T. Altan*, J. Yu, J. Balconi, R. Rentfrow, W. Worrell

author keywords: assembly; crimping; pullout test; FEM
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Progressive die sequence design for deep drawing round cups using finite element analysis

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 128(1), 366–369.

By: T. Altan*, N. Jain*, . Shi*, G. Ngaile n, B. Pax, B. Harman, G. Homan

Source: Web Of Science
Added: August 6, 2018

2003 journal article

Design of a fastener clinching process using FEM

Transaction of the North American Manufacturing Research Institution of SME, 31, 17–24.

By: P. Wenning, G. Ngaile & T. Altan

Source: NC State University Libraries
Added: December 26, 2021

2003 journal article

Determination of flow stress for sheet metal forming using the viscous pressure bulge (VPB) test

Journal of Materials Processing Technology, 146, 1–7.

By: G. Gutscher*, H. Wu*, G. Ngaile* & T. Altan*

author keywords: sheet metal forming; formability; flow stress; FEM
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Finite element simulation of magnesium alloy sheet forming at elevated temperatures

Journal of Materials Processing Technology, 146, 52–60.

By: H. Palaniswamy*, G. Ngaile* & T. Altan*

author keywords: finite element; magnesium; warm sheet forming
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Lubrication in tube hydroforming (THF). Part I: Lubrication mechanisms and development of model tests to evaluate lubricants and die coatings in the transition and expansion zones

Journal of Materials Processing Technology, 146, 108–115.

By: G. Ngaile*, S. Jaeger* & T. Altan*

author keywords: tube hydroforming; lubrication; finite element method
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Lubrication in tube hydroforming (THF). Part II: Performance evaluation of lubricants using LDH test and pear-shaped tube expansion test

Journal of Materials Processing Technology, 146, 116–123.

By: G. Ngaile*, S. Jaeger* & T. Altan*

author keywords: limiting dome-height; pear-shaped tube expansion test; tube hydroforming process
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Optimization of blank dimensions to reduce springback in the flexforming process

Journal of Materials Processing Technology, 146, 28–34.

By: H. Palaniswamy*, G. Ngaile* & T. Altan*

author keywords: finite element; flexforming; springback; optimization
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Optimization of mechanical crimping to assemble tubular components

Journal of Materials Processing Technology, 146, 35–43.

By: M. Shirgaokar*, H. Cho*, G. Ngaile*, T. Altan*, J. Yu, J. Balconi, R. Rentfrow, W. Worrell

author keywords: assembly; crimping; pullout test; FEM
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Optimizing tube hydroforming using process simulation and experimental verification

Journal of Materials Processing Technology, 146, 137–143.

By: Y. Aue-u-lan*, G. Ngaile* & T. Altan*

author keywords: tube hydroforming; FEM; simulation
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Simultaneous determination of flow stress and interface friction by finite element based inverse analysis technique

CIRP ANNALS-MANUFACTURING TECHNOLOGY, 52(1), 221–224.

By: H. Cho* & G. Ngaile

author keywords: finite element method (FEM); material; inverse analysis
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Lubrication in Tube Hydroforming (THF)

Transaction of the North American Manufacturing Research Institution of SME, 29, 51–57.

By: G. Ngaile, V. Federico, K. Tibari & T. Altan

Source: NC State University Libraries
Added: December 26, 2021

2000 journal article

Evaluation Method of Tribological Conditions in Net Shape Cold Forging of Products with Concave-Convex Profiles

Japanese Technology of Plasticity, 41(477), 1036–1040.

By: H. Saiki, Y. Marumo, L. Ruan & G. Ngaile

Source: NC State University Libraries
Added: December 26, 2021

1999 journal article

Cold forging tribo-test based on variation of deformation patterns at the tool-work piece interface

Journal of Tribologist and Lubrication Engineers (STLE), 23–31.

By: G. Ngaile & H. Saiki

Source: NC State University Libraries
Added: December 26, 2021

1997 article

Characterization of adhesive strength of phosphate coatings in cold metal forming

Saiki, H., Ngaile, G., & Ruan, L. (1997, October). JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, Vol. 119, pp. 667–671.

By: H. Saiki*, G. Ngaile* & L. Ruan*

Source: Web Of Science
Added: August 6, 2018

1997 journal article

Influence of die geometry on the workability of conversion coatings combined with soap lubricant in cold forming of steels

Journal of Materials Processing Technology, 63(1-3), 238–243.

By: H. Saiki*, G. Ngaile* & L. Ruan*

author keywords: friction; die geometry; surface expansion; lubricant thinning
Source: Crossref
Added: August 28, 2020

1995 journal article

A New Prototype of a pineapple peeling machine

Uhandisi Journal, 19(2), 117–132.

By: G. Ngaile, J. Mshana & A. Sigh

Source: NC State University Libraries
Added: December 26, 2021

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