Gracious Ngaile

Pang, H., & Ngaile, G. (2023). A Robust Bubble Growth Solution Scheme for Implementation in CFD Analysis of Multiphase Flows. COMPUTATION, 11(4). https://doi.org/10.3390/computation11040072

Li, H., Peng, L. F., Meng, B., Xu, Z. T., Wang, L. L., Ngaile, G., & Fu, M. W. (2023). [Review of Energy field assisted metal forming: Current status, challenges and prospects]. INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 192. https://doi.org/10.1016/j.ijmachtools.2023.104075

Ngaile, G., & Avila, M. (2023). Improving Material Formability and Tribological Conditions through Dual-Pressure Tube Hydroforming. JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING, 7(4). https://doi.org/10.3390/jmmp7040126

Ngaile, G., Montmitonnet, P., & Dohda, K. (Eds.). (2022). 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.

Pang, H., & Ngaile, G. (2022). Utilization of Secondary Jet in Cavitation Peening and Cavitation Abrasive Jet Polishing. MICROMACHINES, 13(1). https://doi.org/10.3390/mi13010086

Ngaile, G., & Rodrigues, D. S. (2021). 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). https://doi.org/10.1115/1.4048265

Pang, H., & Ngaile, G. (2021). Modeling of a valve-type low-pressure homogenizer for oil-in-water emulsions. CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION, 160. https://doi.org/10.1016/j.cep.2020.108249

Rahman, F., Ngaile, G., & Hassan, T. (2021). Non-contact temperature control and stereo digital image correlation for high-temperature testing of miniature tubular specimens. REVIEW OF SCIENTIFIC INSTRUMENTS, 92(11). https://doi.org/10.1063/5.0055718

Rahman, F., Ngaile, G., & Hassan, T. (2021). Optimized stereo digital image correlation setup for miniature round specimen: framework development and implementation. OPTICS AND LASERS IN ENGINEERING, 144. https://doi.org/10.1016/j.optlaseng.2021.106555

Li, L., Chan, Y.-C., Ngaile, G., & Hassan, T. (2020). A novel gripper for multiaxial mechanical testing of microtubes at elevated temperatures. REVIEW OF SCIENTIFIC INSTRUMENTS, 91(5). https://doi.org/10.1063/5.0007150

Pang, H., & Ngaile, G. (2020). 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. https://doi.org/10.1177/0954405420933120

Kinsey, B. L., Mori, K.-ichiro, & Ngaile, G. (2019). Deformation Processes. In Y. Huang, L. Wang, & S. Y. Liang (Eds.), Handbook on Manufacturing (pp. 277–382). https://doi.org/10.1142/9789813271029_0005

Pang, H., & Ngaile, G. (2019). Development of a non-isothermal forging process for hollow power transmission shafts. JOURNAL OF MANUFACTURING PROCESSES, 47, 22–31. https://doi.org/10.1016/j.jmapro.2019.08.034

Rahman, F., Ngaile, G., & Hassan, T. (2019). Development of scanning electron microscope-compatible multiaxial miniature testing system. MEASUREMENT SCIENCE AND TECHNOLOGY, 30(10). https://doi.org/10.1088/1361-6501/ab1ca6

Wang, L., Lowrie, J., Ngaile, G., & Fang, T. (2019). High injection pressure diesel sprays from a piezoelectric fuel injector. APPLIED THERMAL ENGINEERING, 152, 807–824. https://doi.org/10.1016/j.applthermaleng.2019.02.095

Carcaterra, B., & Ngaile, G. (2019). 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. https://doi.org/10.1016/j.engstruct.2018.10.049

Pang, H., & Ngaile, G. (2018). Development of a Non-isothermal Forging Process for Hollow Power Transmission Shafts. Procedia Manufacturing, 26, 1509–1516. https://doi.org/10.1016/J.PROMFG.2018.07.087

Ngaile, G., & Lowrie, J. (2018). Punch design for floating based micro-tube hydroforming die assembly. Journal of Materials Processing Technology, 253, 168–177. https://doi.org/10.1016/J.JMATPROTEC.2017.10.049

Lowrie, J., & Ngaile, G. (2018). 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. https://doi.org/10.1177/0954405416683736

Li, L., Ngaile, G., & Hassan, T. (2017). A Novel Hybrid Heating Method for Mechanical Testing of Miniature Specimens at Elevated Temperature. JOURNAL OF MICRO AND NANO-MANUFACTURING, 5(2). https://doi.org/10.1115/1.4035954

Lowrie, J., & Ngaile, G. (2017). Analytical modeling of hydrodynamic lubrication in a multiple-reduction drawing die. Journal of Manufacturing Processes, 27, 291–303. https://doi.org/10.1016/J.JMAPRO.2017.05.003

Pang, H., Lowrie, J., & Ngaile, G. (2017). Development of a Non-isothermal Forging Process for Hollow Axle Shafts. Procedia Engineering, 207, 454–459. https://doi.org/10.1016/J.PROENG.2017.10.804

Lowrie, J., Pang, H., & Ngaile, G. (2017). Weight reduction of heavy-duty truck components through hollow geometry and intensive quenching. JOURNAL OF MANUFACTURING PROCESSES, 28, 523–530. https://doi.org/10.1016/j.jmapro.2017.04.021

Li, L., Ngaile, G., & Hassan, T. (2016). 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. https://doi.org/10.1115/msec2016-8852

Lowrie, J., & Ngaile, G. (2016). Analytical Modeling of Hydrodynamic Lubrication in a Multiple-Reduction Drawing Die. 44TH NORTH AMERICAN MANUFACTURING RESEARCH CONFERENCE, NAMRC 44, Vol. 5, pp. 707–723. https://doi.org/10.1016/j.promfg.2016.08.058

Lowrie, J., & Ngaile, G. (2016). 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. https://doi.org/10.1016/j.jmapro.2016.01.008

Alzahrani, B., & Ngaile, G. (2016). Preliminary Investigation of the Process Capabilities of Hydroforging. MATERIALS, 9(1). https://doi.org/10.3390/ma9010040

Ngaile, G., Wang, J., & Gau, J.-T. (2015). Challenges in teaching modern manufacturing technologies. European Journal of Engineering Education, 40(4), 432–449. https://doi.org/10.1080/03043797.2014.1001814

Hummel, S., & Ngaile, G. (2015). 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. https://doi.org/10.1177/0954405414528166

Lowrie, J., & Ngaile, G. (2015). Novel extrusion punch design for elimination of punch ejection load and enhanced lubrication. Manufacturing Letters, 5, 12–16. https://doi.org/10.1016/J.MFGLET.2015.04.003

Lowrie, J., & Ngaile, G. (2015). Novel extrusion punch design for improved lubrication and punch ejection. Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, vol 1. https://doi.org/10.1115/msec2015-9496

Alzahrani, B., & Ngaile, G. (2014). Analytical and Numerical Modeling of Thick Tube Hydroforging. Procedia Engineering, 81, 2223–2229. https://doi.org/10.1016/J.PROENG.2014.10.312

Ngaile, G., Lohr, P., Lowrie, J., & Modlin, R. (2014). Development of chemically produced hydrogen energy-based impact bonding process for dissimilar metals. JOURNAL OF MANUFACTURING PROCESSES, 16(4), 518–526. https://doi.org/10.1016/j.jmapro.2014.07.005

Lowrie, J. B., & Ngaile, G. (2014). 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. https://doi.org/10.1115/msec2014-4170

Ngaile, G., Lohr, P., Modlin, R., & Lowrie, J. (2014). High-velocity impact bonding of dissimilar metals by chemically produced hydrogen energy. Manufacturing Letters, 2(2), 40–43. https://doi.org/10.1016/J.MFGLET.2014.01.003

Ngaile, G., Kinsey, B. L., & Kapoor, S. G. (2013). Editorial. Journal of Manufacturing Processes, 15(2), 181–182. https://doi.org/10.1016/J.JMAPRO.2013.02.005

Ngaile, G. (2013). Hydroforming Tribology. In Encyclopedia of Tribology (pp. 1765–1774). https://doi.org/10.1007/978-0-387-92897-5_1067

Alzahrani, B., Ngaile, G., & Yang, C. (2013). Part 1: Analytical modeling of symmetric multi-nose tube hydroforming. Journal of Manufacturing Processes, 15(2), 273–286. https://doi.org/10.1016/J.JMAPRO.2013.01.004

Alzahrani, B., & Ngaile, G. (2013). 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. https://doi.org/10.1016/J.JMAPRO.2013.01.002

Ngaile, G., & Welch, G. (2012). 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. https://doi.org/10.1177/0954405411428421

Ngaile, G., & Kinsey, B. (2011, December). Advances in Plastic Forming of Metals. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, Vol. 133. https://doi.org/10.1115/1.4005461

Ghosh, A., Deshmukh, K., & Ngaile, G. (2011). Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 211(1), 150–166. https://doi.org/10.1016/j.jmatprotec.2010.09.012

Ghosh, A., Deshmukh, K., & Ngaile, G. (2011). 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. https://doi.org/10.1115/msec2010-34099

Bunget, C., & Ngaile, G. (2011). Influence of ultrasonic vibration on micro-extrusion. ULTRASONICS, 51(5), 606–616. https://doi.org/10.1016/j.ultras.2011.01.001

Yang, C., & Ngaile, G. (2011). Preform Design for Tube Hydroforming Based on Wrinkle Formation. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 133(6). https://doi.org/10.1115/1.4005118

Ngaile, G., Yang, C., & Kilonzo, O. (2011). Real-Time Friction Error Compensation in Tube Hydroforming Process Control. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 133(6). https://doi.org/10.1115/1.4005430

Yang, C., & Ngaile, G. (2010). 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. https://doi.org/10.1243/09544054jem1799

Ngaile, G., & Yang, C. (2009). 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). https://doi.org/10.1115/1.3090888

Ngaile, G., & Yang, C. (2009). Application of Finite Element Method in Metal forming Tribology. Transaction of the North American Manufacturing Research Institution of SME, 37, 379–386.

Ngaile, G., & Yang, C. (2008). 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. https://doi.org/10.1243/09544054JEM1057

Yang, C., & Ngaile, G. (2008). 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. https://doi.org/10.1016/j.ijmecsci.2008.05.006

Ngaille, G., & Yang, C. (2008). 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. https://doi.org/10.1243/09544054JEM1058

Ngaile, G., & Bunget, C. (2008). Influence of Ultrasonic Vibration on Microforming. Transaction of the North American Manufacturing Research Institution of SME, 36, 137–144.

Ngaile, G., & Botz, F. (2008). 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). https://doi.org/10.1115/1.2805432

Ngaile, G. (2008). Tribological aspects in hydroforming. In M. Koç (Ed.), Hydroforming for Advanced Manufacturing (pp. 144–178). https://doi.org/10.1533/9781845694418.1.144

Bunget, C. J., & Ngaile, G. (2008). Ultrasonic microforming. Saarbrucken: VDM Verlag Dr. Muller.

Ngaile, G., Saiki, H., Ruan, L. Q., & Marumo, Y. (2007). A tribo-testing method for high performance cold forging lubricants. Wear, 262(5-6), 684–692. https://doi.org/10.1016/j.wear.2006.08.009

Gariety, M., Ngaile, G., & Altan, T. (2007). Evaluation of new cold forging lubricants without zinc phosphate precoat. INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 47(3-4), 673–681. https://doi.org/10.1016/j.ijmachtools.2006.04.016

Ngaile, G., Cochran, J., & Stark, D. (2007). 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. https://doi.org/10.1243/09544054JEM659

Ngaile, G., Stark, D., & Cochran, J. (2006). Development of Polymeric Based Lubricant for Cold Forging Processes. Transaction of the North American Manufacturing Research Institution of SME, 34, 563–570.

Ngaile, G., Gariety, M., & Altan, T. (2006). Enhancing tribological conditions in tube hydroforming by using textured tubes. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, 128(3), 674–676. https://doi.org/10.1115/1.2197849

Altan, T., Jain, N. T., Shi, XX, Ngaile, G., Pax, B., Harman, B., & Homan, G. (2006). 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. https://doi.org/10.1115/1.2039942

Altan, T., Ngaile, G., & Shen, G. (2005). Cold and Hot Metal Forging: Fundamentals and Applications. Materials Park, OH: ASM International.

Chandrasekharan, S., Palaniswamy, H., Jain, N., Ngaile, G., & Altan, T. (2005). Evaluation of stamping lubricants at various temperature levels using the ironing test. INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE, 45(4-5), 379–388. https://doi.org/10.1016/j.ijmachtools.2004.09.014

Ngaile, G., & Gariety, M. (2005). Friction and Lubrication. In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications. https://doi.org/10.31399/asm.tb.chffa.t51040067

Ngaile, G., & Shirgaokar, M. (2005). Near-Net shape forging and new development. In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications. https://doi.org/10.31399/asm.tb.chffa.t51040319

Ngaile, G. (2005). Plastic Deformation: Complex state of stress and flow rules. In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications. https://doi.org/10.31399/asm.tb.chffa.t51040051

Ngaile, G., & Shirgaokar, M. (2005). Plastic Deformation: Strain and Strain Rate. In T. Altan, G. Ngaile, & G. Shen (Eds.), Cold and Hot Forging: Fundamentals and Applications. https://doi.org/10.31399/asm.tb.chffa.t51040017

Ngaile, G., Shirgaokar, M., & Shen, G. (2005). 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. https://doi.org/10.31399/asm.tb.chffa.t51040193

Cold and hot forging: Fundamentals and applications. (2004). Materials Park, Ohio: ASM International.

Gutscher, G., Wu, H.-C., Ngaile, G., & Altan, T. (2004). Determination of flow stress for sheet metal forming using the viscous pressure bulge (VPB) test. Journal of Materials Processing Technology, 146, 1–7. https://doi.org/10.1016/S0924-0136(03)00838-0

Palaniswamy, H., Ngaile, G., & Altan, T. (2004). Finite element simulation of magnesium alloy sheet forming at elevated temperatures. Journal of Materials Processing Technology, 146, 52–60. https://doi.org/10.1016/S0924-0136(03)00844-6

Shirgaokar, M., Ngaile, G., Altan, T., Yu, J.-H., Balconi, J., Rentfrow, R., & Worrell, W. J. (2004). Hydraulic crimping: Application to the assembly of tubular components. Journal of Materials Processing Technology, 146, 44–51. https://doi.org/10.1016/S0924-0136(03)00843-4

Ngaile, G., Jaeger, S., & Altan, T. (2004). 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. https://doi.org/10.1016/S0924-0136(03)00850-1

Ngaile, G., Jaeger, S., & Altan, T. (2004). 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. https://doi.org/10.1016/S0924-0136(03)00851-3

Palaniswamy, H., Ngaile, G., & Altan, T. (2004). Optimization of blank dimensions to reduce springback in the flexforming process. Journal of Materials Processing Technology, 146, 28–34. https://doi.org/10.1016/S0924-0136(03)00841-0

Shirgaokar, M., Cho, H., Ngaile, G., Altan, T., Yu, J.-H., Balconi, J., … Worrell, W. J. (2004). Optimization of mechanical crimping to assemble tubular components. Journal of Materials Processing Technology, 146, 35–43. https://doi.org/10.1016/S0924-0136(03)00842-2

Aue-u-lan, Y., Ngaile, G., & Altan, T. (2004). Optimizing tube hydroforming using process simulation and experimental verification. Journal of Materials Processing Technology, 146, 137–143. https://doi.org/10.1016/S0924-0136(03)00854-9

Wenning, P. H., Ngaile, G., & Altan, T. (2003). Design of a fastener clinching process using FEM. Transaction of the North American Manufacturing Research Institution of SME, 31, 17–24.

Cho, H., & Ngaile, G. (2003). Simultaneous determination of flow stress and interface friction by finite element based inverse analysis technique. CIRP ANNALS-MANUFACTURING TECHNOLOGY, 52(1), 221–224. https://doi.org/10.1016/s0007-8506(07)60570-8

Ngaile, G., Federico, V., Tibari, K., & Altan, T. (2001). Lubrication in Tube Hydroforming (THF). Transaction of the North American Manufacturing Research Institution of SME, 29, 51–57.

Saiki, H., Marumo, Y., Ruan, L., & Ngaile, G. (2000). Evaluation Method of Tribological Conditions in Net Shape Cold Forging of Products with Concave-Convex Profiles. Japanese Technology of Plasticity, 41(477), 1036–1040.

Ngaile, G., & Saiki, H. (1999). 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.

Saiki, H., Ngaile, G., & Ruan, L. (1997, October). Characterization of adhesive strength of phosphate coatings in cold metal forming. JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME, Vol. 119, pp. 667–671. https://doi.org/10.1115/1.2833867

Saiki, H., Ngaile, G., & Ruan, L. (1997). 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. https://doi.org/10.1016/s0924-0136(96)02629-5

Ngaile, G., Mshana, J., & Sigh, A. (1995). A New Prototype of a pineapple peeling machine. Uhandisi Journal, 19(2), 117–132.