Works (21)

Updated: April 6th, 2024 05:02

2024 journal article

Effect of V Content on Corrosion Behavior of Al-V Alloys Produced by Mechanical Alloying and Subsequent Spark Plasma Sintering

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 171(3).

By: C. Witharamage*, J. Christudasjustus*, G. Walunj*, T. Borkar* & R. Gupta n

author keywords: high energy ball milling; spark plasma sintering; corrosion mechanisms; pitting corrosion; electrochemical heterogeneity
topics (OpenAlex): Aluminum Alloy Microstructure Properties; Aluminum Alloys Composites Properties; High-Temperature Coating Behaviors
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 1, 2024

2023 journal article

Age-hardening behavior, corrosion mechanisms, and passive film structure of nanocrystalline Al-V supersaturated solid solution

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 135, 1–12.

By: J. Christudasjustus n, M. Felde*, C. Witharamage n, J. Esquivel*, A. Darwish n, C. Winkler n, R. Gupta n

author keywords: Al alloys; Nanocrystalline alloy; Age-hardening; Ball milling; Corrosion; Hardness
topics (OpenAlex): Aluminum Alloys Composites Properties; Microstructure and mechanical properties; Metal and Thin Film Mechanics
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 11, 2022

2023 journal article

Evolution of surface film in AA2024-T3 after a long-term immersion in NaCl solution

CORROSION SCIENCE, 215.

By: J. Christudasjustus n, V. Vukkum n & R. Gupta n

author keywords: AA2024; Cu clusters; Corrosion product; Pitting corrosion; Aluminum alloys
topics (OpenAlex): Corrosion Behavior and Inhibition; Aluminum Alloy Microstructure Properties; Anodic Oxide Films and Nanostructures
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 4, 2023

2023 journal article

Intergranular Corrosion of Feedstock Modified-Additively Manufactured Stainless Steel After Sensitization

CORROSION, 79(6), 624–636.

By: V. Vukkum n, E. Delvecchio n, J. Christudasjustus n, S. Storck* & R. Gupta n

author keywords: additive manufacturing; feedstock; intergranular corrosion; laser powder bed fusion; microstructure; stainless steel
topics (OpenAlex): Additive Manufacturing Materials and Processes; Welding Techniques and Residual Stresses; Hydrogen embrittlement and corrosion behaviors in metals
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 5, 2023

2023 journal article

Microstructure and corrosion of CrFeMnV multi-principal element alloy

CORROSION SCIENCE, 222.

By: S. O'Brien n, J. Christudasjustus n, E. Delvecchio n, N. Birbilis* & R. Gupta n

author keywords: Multi-principal element alloy; Compositionally complex alloys; High entropy alloys; Corrosion; Surface film
topics (OpenAlex): High Entropy Alloys Studies; High-Temperature Coating Behaviors; Hydrogen embrittlement and corrosion behaviors in metals
Sources: Web Of Science, NC State University Libraries
Added: August 21, 2023

2023 journal article

Surface Film Formation on Al-V Alloys with Far-From-Equilibrium Microstructure

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 170(3).

By: J. Christudasjustus n, C. Witharamage n, V. Vukkum n, G. Walunj*, T. Borkar* & R. Gupta n

author keywords: Surface film; grain orientation; ball milling; Aluminum alloys; nanocrystalline alloys; corrosion; chloride penetration
topics (OpenAlex): Metal and Thin Film Mechanics; High-Temperature Coating Behaviors; Corrosion Behavior and Inhibition
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 19, 2023

2023 journal article

Time-Dependent Corrosion Behavior of Aluminum Using Advanced Electrochemical and Characterization Techniques

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 170(9).

By: C. Witharamage n, A. Darwish n, J. Christudasjustus n, J. Soltis & R. Gupta n

topics (OpenAlex): Corrosion Behavior and Inhibition; Hydrogen embrittlement and corrosion behaviors in metals; Concrete Corrosion and Durability
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 10, 2023

2022 journal article

Aluminum alloys with high elastic modulus

MATERIALS LETTERS, 320.

By: J. Christudasjustus n, T. Larimian*, J. Esquivel*, S. Gupta*, A. Darwish n, T. Borkar*, R. Gupta n

author keywords: Nanocrystalline materials; Mechanical alloying; Elastic modulus; Nanoindentation; Spark plasma sintering
topics (OpenAlex): Aluminum Alloys Composites Properties; Aluminum Alloy Microstructure Properties; Metal and Thin Film Mechanics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 6, 2022

2022 journal article

Corrosion behavior of a bulk nanocrystalline Al-Fe alloy

CORROSION SCIENCE, 209.

By: F. Ozdemir n, C. Witharamage n, J. Christudasjustus n, A. Darwish n, H. Okuyucu* & R. Gupta n

author keywords: Aluminum alloys; Nanocrystalline alloys; Corrosion; High-energy ball milling; Al -Fe alloy; Microstructure
topics (OpenAlex): Aluminum Alloy Microstructure Properties; Aluminum Alloys Composites Properties; Microstructure and mechanical properties
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 7, 2022

2022 journal article

Corrosion behavior of an in situ consolidated nanocrystalline Al-V alloy

NPJ MATERIALS DEGRADATION, 6(1).

By: C. Witharamage n, J. Christudasjustus n, J. Smith n, W. Gao n & R. Gupta n

topics (OpenAlex): Aluminum Alloy Microstructure Properties; Aluminum Alloys Composites Properties; Corrosion Behavior and Inhibition
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 18, 2022

2022 journal article

Enhanced corrosion resistance of additively manufactured stainless steel by modification of feedstock

NPJ MATERIALS DEGRADATION, 6(1).

By: V. Vukkum n, J. Christudasjustus n, A. Darwish n, S. Storck* & R. Gupta n

topics (OpenAlex): Additive Manufacturing Materials and Processes; Additive Manufacturing and 3D Printing Technologies; Titanium Alloys Microstructure and Properties
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 21, 2022

2022 article

Need of an Inert Atmosphere for High-Energy Ball Milling of Al Alloys

Ozdemir, F., Christudasjustus, J., Vukkum, V. B., Okuyucu, H., & Gupta, R. K. (2022, September 8). JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, Vol. 9.

By: F. Ozdemir n, J. Christudasjustus n, V. Vukkum n, H. Okuyucu* & R. Gupta n

author keywords: aluminium; corrosion; high-energy ball milling; milling atmosphere; nanocrystalline alloy; powder metallurgy
topics (OpenAlex): Additive Manufacturing Materials and Processes; Metal Alloys Wear and Properties; Advanced Surface Polishing Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 19, 2022

2022 journal article

The influence of spark plasma sintering temperatures on the microstructure, hardness, and elastic modulus of the nanocrystalline Al-xV alloys produced by high-energy ball milling

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 122, 68–76.

By: J. Christudasjustus*, C. Witharamage, G. Walunj, T. Borkar & R. Gupta*

author keywords: Spark plasma sintering; Aluminum alloys; Nanocrystalline alloys; High-energy ball milling; Nanoindentation; Hardness; Elastic modulus
topics (OpenAlex): Aluminum Alloys Composites Properties; Metal and Thin Film Mechanics; Boron and Carbon Nanomaterials Research
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 19, 2022

2021 journal article

A low-cost, low-density, and corrosion resistant AlFeMnSi compositionally complex alloy

NPJ MATERIALS DEGRADATION, 5(1).

topics (OpenAlex): High-Temperature Coating Behaviors; High Entropy Alloys Studies; Corrosion Behavior and Inhibition
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 5, 2021

2021 journal article

Corrosion behavior of AA5083 produced by high-energy ball milling

JOURNAL OF ALLOYS AND COMPOUNDS, 857.

By: L. Esteves*, C. Witharamage n, J. Christudasjustus n, G. Walunj*, S. O'Brien n, S. Ryu*, T. Borkar*, R. Akans*, R. Gupta n

Contributors: L. Esteves*, C. Witharamage n, J. Christudasjustus n, G. Walunj*, . S.P. O'Brien n, S. Ryu*, T. Borkar*, R. Akans*, R. Gupta n

author keywords: Nanocrystalline alloys; High-energy ball milling; Spark plasma sintering (SPS); Aluminum-magnesium alloys; Pitting corrosion
topics (OpenAlex): Aluminum Alloys Composites Properties; Aluminum Alloy Microstructure Properties; Magnesium Alloys: Properties and Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 1, 2021

2021 journal article

Effect of V content on corrosion behavior of high-energy ball milled AA5083

CORROSION SCIENCE, 186.

By: L. Esteves*, J. Christudasjustus n, S. O'Brien n, C. Witharamage n, A. Darwish n, G. Walunj*, P. Stack*, T. Borkar*, R. Akans*, R. Gupta n

author keywords: Nanocrystalline alloys; High-energy ball milling; Aluminum-magnesium alloys; Pitting corrosion
topics (OpenAlex): Aluminum Alloys Composites Properties; Corrosion Behavior and Inhibition; Aluminum Alloy Microstructure Properties
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 10, 2021

2021 journal article

The Effect of Milling Time and Speed on Solid Solubility, Grain Size, and Hardness of Al-V Alloys

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 30(4), 3144–3158.

By: C. Witharamage n, J. Christudasjustus n & R. Gupta n

author keywords: grain refinement; high-energy ball milling; nanocrystalline aluminum alloys; solid solubility
topics (OpenAlex): Aluminum Alloys Composites Properties; Microstructure and mechanical properties; Aluminum Alloy Microstructure Properties
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 12, 2021

2021 chapter

The Effect of Titanium Carbide and Spark Plasma Sintering Processing on Nickel–Titanium Carbide Composites

In T. S. Srivatsan, W. C. Harrigan Jr/, & S. Hunyadi Murph (Eds.), Metal-Matrix Composites: Advances in Analysis, Measurement, and Observations (pp. 65–73).

By: G. Walunj*, A. Bearden*, A. Patil*, T. Larimian*, J. Christudasjustus*, R. Gupta*, T. Borkar*

Contributors: G. Walunj*, A. Bearden*, A. Patil*, T. Larimian*, J. Christudasjustus*, R. Gupta*, T. Borkar*

Ed(s): T. Srivatsan, W. Harrigan & S. Hunyadi Murph

author keywords: Mechanical alloying (MA); Spark-plasma sintering (SPS); Nickel-titanium carbide composites; Microhardness
topics (OpenAlex): Advanced materials and composites; Aluminum Alloys Composites Properties; Titanium Alloys Microstructure and Properties
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 19, 2021

2020 journal article

Bulk-nano spark plasma sintered Fe-Si-B-Cu-Nb based magnetic alloys

Intermetallics, 124, 106869.

By: T. Larimian*, V. Chaudhary*, J. Christudasjustus*, R. Ramanujan*, R. Gupta* & T. Borkar*

Contributors: T. Larimian*, V. Chaudhary*, J. Christudasjustus*, R. Ramanujan*, R. Gupta* & T. Borkar*

author keywords: Finemet; FeSiB; FeSiBCu; FeSiBNb; Spark plasma sintering; Mechanical alloying; Soft magnetic materials; Magnetization
topics (OpenAlex): Metallic Glasses and Amorphous Alloys
Sources: ORCID, Crossref, NC State University Libraries
Added: August 19, 2021

2020 journal article

Mechanical and Tribological Behavior of Mechanically Alloyed Ni-TiC Composites Processed via Spark Plasma Sintering

MATERIALS, 13(22).

By: G. Walunj*, A. Bearden*, A. Patil*, T. Larimian*, J. Christudasjustus n, R. Gupta n, T. Borkar*

Contributors: G. Walunj*, A. Bearden*, A. Patil*, T. Larimian*, J. Christudasjustus n, R. Gupta n, T. Borkar*

author keywords: metal matrix composites (MMCs); mechanical alloying (MA); spark plasma sintering (SPS); nickel-titanium carbide composites; microhardness
topics (OpenAlex): Advanced materials and composites; Aluminum Alloys Composites Properties; Advanced ceramic materials synthesis
TL;DR: All Ni-TiC composites exhibited higher microhardness and compressive strength than pure nickel due to the presence of homogeneously distributed TiC particles within the nickel matrix, matrix grain refinement, and excellent interfacial bonding between nickel and TiC reinforcement. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 21, 2020

2020 journal article

Spark plasma sintering of a high-energy ball milled Mg-10 wt% Al alloy

Journal of Magnesium and Alloys, 8(2), 319–328.

By: M. Khan*, A. Patil*, J. Christudasjustus*, T. Borkar* & R. Gupta*

Contributors: M. Khan*, A. Patil*, J. Christudasjustus*, T. Borkar* & R. Gupta*

author keywords: Nanocrystalline alloy; Magnesium; High energy ball milling; Spark plasma sintering; Corrosion
topics (OpenAlex): Magnesium Alloys: Properties and Applications; Aluminum Alloys Composites Properties; Metal and Thin Film Mechanics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: August 19, 2021

Employment

Updated: April 21st, 2023 15:35

North Carolina State University Raleigh, North Carolina, US
Research Assistant Materials Science and Engineering

Pacific Northwest National Laboratory Richland, WA, US
Postdoctoral Research Associate Physical and Computational Sciences Directorate

Education

Updated: April 4th, 2023 17:49

Indian Institute of Technology Roorkee Roorkee, Uttar Pradesh, IN
Master of Technology Department of Metallurgical and Materials Engineering

NC State University Raleigh, NC, US
Ph.D. Materials Science and Engineering

Funding History

Funding history based on the linked ORCID record. Updated: October 4th, 2024 19:36

award October 1, 2024 - September 1, 2025
Mechanistic investigation of chemical and structural changes of additives in metal/graphene ultra-conductors
Environmental Molecular Sciences Laboratory

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