Works (20)

Updated: October 11th, 2023 05:02

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, 1โ€“12.

By: J. Christudasjustus nโ€‰, M. Felde, C. Witharamage, J. Esquivel, A. Darwish*, C. Winkler*, R. Gupta*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Al alloys; Nanocrystalline alloy; Age-hardening; Ball milling; Corrosion; Hardness
Sources: Web Of Science, 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 nโ€‰, V. Vukkum nโ€‰ & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: AA2024; Cu clusters; Corrosion product; Pitting corrosion; Aluminum alloys
Sources: Web Of Science, ORCID
Added: April 4, 2023

2023 journal article

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

CORROSION, 79(6), 624โ€“636.

By: V. Vukkum*โ€‰, E. Delvecchio, J. Christudasjustusโ€‰, S. Storck & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: additive manufacturing; feedstock; intergranular corrosion; laser powder bed fusion; microstructure; stainless steel
Sources: Web Of Science, ORCID
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 nโ€‰, E. Delvecchio n, N. Birbilisโ€‰* & R. Gupta nโ€‰

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Multi-principal element alloy; Compositionally complex alloys; High entropy alloys; Corrosion; Surface film
Sources: Web Of Science, ORCID
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 nโ€‰, C. Witharamageโ€‰ n, V. Vukkum nโ€‰, G. Walunj*, T. Borkar* & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Surface film; grain orientation; ball milling; Aluminum alloys; nanocrystalline alloys; corrosion; chloride penetration
Sources: Web Of Science, 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. Witharamageโ€‰ n, A. Darwish n, J. Christudasjustus nโ€‰, J. Soltis & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: October 10, 2023

2022 journal article

Aluminum alloys with high elastic modulus

MATERIALS LETTERS, 320.

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

co-author countries: India ๐Ÿ‡ฎ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Nanocrystalline materials; Mechanical alloying; Elastic modulus; Nanoindentation; Spark plasma sintering
Sources: Web Of Science, ORCID
Added: June 6, 2022

2022 journal article

Corrosion behavior of a bulk nanocrystalline Al-Fe alloy

CORROSION SCIENCE, 209.

By: F. Ozdemir nโ€‰, C. Witharamageโ€‰ n, J. Christudasjustus nโ€‰, A. Darwish n, H. Okuyucu* & R. Gupta nโ€‰

co-author countries: Tรผrkiye ๐Ÿ‡น๐Ÿ‡ท United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Aluminum alloys; Nanocrystalline alloys; Corrosion; High-energy ball milling; Al -Fe alloy; Microstructure
Sources: Web Of Science, ORCID
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. Witharamageโ€‰ n, J. Christudasjustus nโ€‰, J. Smith n, W. Gao nโ€‰ & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: ORCID, Web Of Science
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 nโ€‰, J. Christudasjustus nโ€‰, A. Darwish n, S. Storck* & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: ORCID, Web Of Science
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. Ozdemirโ€‰ n, J. Christudasjustus nโ€‰, V. Vukkum nโ€‰, H. Okuyucu* & R. Gupta nโ€‰

co-author countries: Tรผrkiye ๐Ÿ‡น๐Ÿ‡ท United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: aluminium; corrosion; high-energy ball milling; milling atmosphere; nanocrystalline alloy; powder metallurgy
Sources: Web Of Science, 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, 68โ€“76.

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

author keywords: Spark plasma sintering; Aluminum alloys; Nanocrystalline alloys; High-energy ball milling; Nanoindentation; Hardness; Elastic modulus
Sources: ORCID, Web Of Science
Added: March 19, 2022

2021 journal article

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

NPJ MATERIALS DEGRADATION, 5(1).

By: S. O'Brien n, J. Christudasjustus nโ€‰, L. Estevesโ€‰*, S. Vijayanโ€‰*, J. Jinschekโ€‰*, N. Birbilisโ€‰*, R. Gupta nโ€‰

co-author countries: Australia ๐Ÿ‡ฆ๐Ÿ‡บ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
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. Estevesโ€‰*, C. Witharamageโ€‰ n, J. Christudasjustus nโ€‰, G. Walunj*, S. O'Brien n, S. Ryuโ€‰*, T. Borkar*, R. Akans*, R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: L. Estevesโ€‰*, C. Witharamageโ€‰ n, J. Christudasjustus nโ€‰, G. Walunj*, . S.P. O'Brien n, S. Ryuโ€‰*, T. Borkar*, R. Akans*, R. Gupta nโ€‰

author keywords: Nanocrystalline alloys; High-energy ball milling; Spark plasma sintering (SPS); Aluminum-magnesium alloys; Pitting corrosion
Sources: Web Of Science, ORCID
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. Estevesโ€‰*, J. Christudasjustus nโ€‰, S. O'Brien n, C. Witharamageโ€‰ n, A. Darwish n, G. Walunj*, P. Stack*, T. Borkar*, R. Akans*, R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Nanocrystalline alloys; High-energy ball milling; Aluminum-magnesium alloys; Pitting corrosion
Sources: Web Of Science, ORCID
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), 3144โ€“3158.

By: C. Witharamageโ€‰ n, J. Christudasjustus nโ€‰ & R. Gupta nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: grain refinement; high-energy ball milling; nanocrystalline aluminum alloys; solid solubility
Sources: Web Of Science, ORCID
Added: April 12, 2021

2021 chapter

The Effect of Titanium Carbide and Spark Plasma Sintering Processing on Nickelโ€“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. 65โ€“73).

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: G. Walunj*, A. Bearden*, A. Patil*, T. Larimian*, J. Christudasjustus*โ€‰, R. Gupta*โ€‰, 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
Sources: ORCID, 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. Chaudharyโ€‰*, J. Christudasjustus*โ€‰, R. Ramanujanโ€‰*, R. Gupta*โ€‰ & T. Borkar*

co-author countries: Singapore ๐Ÿ‡ธ๐Ÿ‡ฌ United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: T. Larimian*, V. Chaudharyโ€‰*, J. Christudasjustus*โ€‰, R. Ramanujanโ€‰*, R. Gupta*โ€‰ & T. Borkar*

author keywords: Finemet; FeSiB; FeSiBCu; FeSiBNb; Spark plasma sintering; Mechanical alloying; Soft magnetic materials; Magnetization
Sources: ORCID, Crossref
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 nโ€‰, R. Gupta nโ€‰, T. Borkar*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

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

author keywords: metal matrix composites (MMCs); mechanical alloying (MA); spark plasma sintering (SPS); nickel-titanium carbide composites; microhardness
Sources: Web Of Science, ORCID
Added: December 21, 2020

2020 journal article

Spark plasma sintering of a high-energy ball milled Mg-10โ€ฏwt% Al alloy

Journal of Magnesium and Alloys, 8(2), 319โ€“328.

By: M. Khanโ€‰*, A. Patil*, J. Christudasjustus*โ€‰, T. Borkar* & R. Gupta*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: M. Khanโ€‰*, A. Patil*, J. Christudasjustus*โ€‰, T. Borkar* & R. Gupta*โ€‰

author keywords: Nanocrystalline alloy; Magnesium; High energy ball milling; Spark plasma sintering; Corrosion
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

University of Akron Akron, OH, US
Graduate Research Assistant Chemical, Bio-molecular and Corrosion Engineering

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