Works (15)

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, M. Felde, C. Witharamage, J. Esquivel, A. Darwish, C. Winkler, R. Gupta

author keywords: Al alloys; Nanocrystalline alloy; Age-hardening; Ball milling; Corrosion; Hardness
Sources: Web Of Science, ORCID
Added: October 11, 2022

2022 journal article

Aluminum alloys with high elastic modulus

MATERIALS LETTERS, 320.

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

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, C. Witharamage, J. Christudasjustus, A. Darwish, H. Okuyucu & R. Gupta

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

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, J. Christudasjustus, A. Darwish, S. Storck* & R. Gupta

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. Ozdemir n, J. Christudasjustus, V. Vukkum, H. Okuyucu & R. Gupta

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, 68–76.

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

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, L. Esteves*, S. Vijayan*, J. Jinschek*, N. Birbilis*, R. Gupta

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

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

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), 3144–3158.

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

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 Nickel–Titanium Carbide Composites

In Minerals, Metals and Materials Series (pp. 65–73).

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

author keywords: Mechanical alloying (MA); Spark-plasma sintering (SPS); Nickel-titanium carbide composites; Microhardness
Source: ORCID
Added: August 19, 2021

2020 journal article

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

Intermetallics, 124.

By: 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
Source: ORCID
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, R. Gupta, 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-10 wt% Al alloy

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

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

author keywords: Nanocrystalline alloy; Magnesium; High energy ball milling; Spark plasma sintering; Corrosion
Source: ORCID
Added: August 19, 2021

Employment

2018 - 2020

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

Education

2020 - 2023

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

2016 - 2018

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