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A novel specimen geometry for an improved estimation of hydrogen effects on the tensile behavior of face-centered cubic alloys Go to Link

Lee, Si-Yeon; Gao, Zhe; Choi, Jae-Hyeok; Zhao, Yakai; Wang, Pei; Murakami, Kotaro; Komazaki, Shin-ichi; Kim, Hyoung Seop; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2026CitationScripta Materialia, v.280, pp 1 - 5PublisherActa Materialia Inc

SCISCIESCOPUS

A novel way to estimate the nanoindentation hardness of only-irradiated layer and its application to ion irradiated Fe-12Cr alloy Go to Link

Kim, Hoon-Seop; Lee, Dong-Hyun; Seok, Moo-Young; Zhao, Yakai; Kim, Woo-Jin; Kwon, Dongil; Jin, Hyung-Ha; Kwon, Junhyun; Jang, Jae-il

ArticleIssue Date2017CitationJournal of Nuclear Materials, v.487, pp 343 - 347PublisherElsevier BV

SCISCIESCOPUS

Annealing effect on plastic flow in nanocrystalline CoCrFeMnNi high-entropy alloy: A nanomechanical analysis Go to Link

Lee, Dong-Hyun; Lee, Jung-A; Zhao, Yakai; Lu, Zhaoping; Suh, Jin-Yoo; Kim, Ju-Young; Ramamurty, Upadrasta; Kawasaki, Megumi; Langdon, Terence G.; Jang, Jae-il

ArticleIssue Date2017CitationActa Materialia, v.140, pp 443 - 451PublisherElsevier BV

SCISCIESCOPUS

Effect of hydrogen on the yielding behavior and shear transformation zone volume in metallic glass ribbons Go to Link

Zhao, Yakai; Choi, In-Chul; Seok, Moo-Young; Kim, Min-Hyun; Kim, Do-Hyang; Ramamurty, Upadrasta; Suh, Jin-Yoo; Jang, Jae-il

ArticleIssue Date2014CitationActa Materialia, v.78, pp 213 - 221PublisherElsevier BV

SCISCIESCOPUS

Estimation of the shear transformation zone size fin a bulk metallic glass through statistical a analysis of the first pop-in stresses during spherical nanoindentation Go to Link

Choi, In-Chul; Zhao, Yakai; Yoo, Byung-Gil; Kim, Yong-Jae; Suh, Jin-Yoo; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2012CitationScripta Materialia, v.66, no.11, pp 923 - 926PublisherPergamon Press Ltd.

SCIESCOPUS

Hydrogen trapping and micromechanical behavior in additively manufactured CoCrFeNi high-entropy alloy in as-built and pre-strained conditions Go to Link

Gao, Zhe; Lee, Dong-Hyun; Zhao, Yakai; Wang, Pei; Murakami, Kotaro; Komazaki, Shin-ichi; Suh, Jin-Yoo; Kim, Hyoung Seop; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2024CitationACTA MATERIALIA, v.271, pp 1 - 11PublisherPERGAMON-ELSEVIER SCIENCE LTD

SCISCIESCOPUS

Hydrogen-induced hardening and softening of Ni-Nb-Zr amorphous alloys: Dependence on the Zr content Go to Link

Zhao, Yakai; Choi, In-Chul; Seok, Moo-Young; Ramamurty, Upadrasta; Suh, Jin-Yoo; Jang, Jae-il

ArticleIssue Date2014CitationScripta Materialia, v.93, pp 56 - 59PublisherPergamon Press Ltd.

SCISCIESCOPUS

Hydrogen-induced nanohardness variations in a CoCrFeMnNi high-entropy alloy Go to Link

Zhao, Yakai; Lee, Dong-Hyun; Lee, Jung-A; Kim, Woo-Jin; Han, Heung Nam; Ramamurty, Upadrasta; Suh, Jin-Yoo; Jang, Jae-il

ArticleIssue Date2017CitationInternational Journal of Hydrogen Energy, v.42, no.16, pp 12015 - 12021PublisherElsevier

SCISCIESCOPUS

Hydrogen-induced softening in nanocrystalline Ni investigated by nanoindentation Go to Link

Zhao, Yakai; Seok, Moo-Young; Lee, Dong-Hyun; Lee, Jung-A; Suh, Jin-Yoo; Jang, Jae-il

ArticleIssue Date2016CitationPhilosophical Magazine, v.96, no.32-34, pp 3442 - 3450PublisherTaylor & Francis

SCISCIESCOPUS

Indentation size effect and shear transformation zone size in a bulk metallic glass in two different structural states Go to Link

Choi, In-Chul; Zhao, Yakai; Kim, Yong-Jae; Yoo, Byung-Gil; Suh, Jin-Yoo; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2012CitationActa Materialia, v.60, no.19, pp 6862 - 6868PublisherElsevier BV

SCIESCOPUS

Influence of hydrogen on incipient plasticity in CoCrFeMnNi high-entropy alloy Go to Link

Yang, Guanghui; Zhao, Yakai; Lee, Dong-Hyun; Park, Jeong-Min; Seok, Moo-Young; Suh, Jin-Yoo; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2019CitationSCRIPTA MATERIALIA, v.161, pp.23 - 27PublisherPERGAMON-ELSEVIER SCIENCE LTD

SCISCIESCOPUS

Influence of pre-strain on the gaseous hydrogen embrittlement resistance of a high-entropy alloy Go to Link

Zhao, Yakai; Lee, Dong-Hyun; Kim, Woo-Jin; Seok, Moo-Young; Kim, Ju-Young; Han, Heung Nam; Suh, Jin-Yoo; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2018CitationMaterials Science and Engineering: A, v.718, pp 43 - 47PublisherElsevier BV

SCISCIESCOPUS

Microalloying Effect on the Activation Energy of Hot Deformation Go to Link

Seok, Moo-Young; Choi, In-Chul; Zhao, Yakai; Lee, Dong-Hyun; Lee, Jung-A; Jang, Jae-il

ArticleIssue Date2015CitationSteel Research International, v.86, no.7, pp 817 - 820PublisherVerlag Stahleisen GmbH

SCIESCOPUS

Multimodality of critical strength for incipient plasticity in L12- precipitated (CoCrNi)94Al3Ti3 medium-entropy alloy: Coherent interface-facilitated dislocation nucleation

Zhang, Qian; Qiao, Junwei; Zhao, Yakai; Jang, Jae-il; Ramamurty, Upadrasta

ArticleIssue Date2025CitationActa Materialia, v.288, pp 1 - 12PublisherElsevier BV

SCISCIESCOPUS

On the contributions of different micromechanisms for enhancement in the strength of TI-6Al-4V alloy upon B addition: A nanomechanical analysis Go to Link

Seok, Moo-Young; Zhao, Yakai; Lee, Jung-A; Mohamed, Reda M.; Al-Harbi, Laila M.; Al-Ghamdi, Mohammed S.; Singh, Gaurav; Ramamurty, Upadrasta; Jang, Jae-il

ArticleIssue Date2016CitationMaterials Science and Engineering: A, v.649, pp 123 - 127PublisherElsevier BV

SCISCIESCOPUS

On the nanomechanical characteristics of thermally-treated alloy 690: Grain boundaries versus grain interior Go to Link

Zhao, Yakai; Choi, In-Chul; Kim, Yong-Jae; Jang, Jae-il

ArticleIssue Date2014CitationJournal of Alloys and Compounds, v.582, pp 141 - 145PublisherElsevier BV

SCISCIESCOPUS

Predicting flow curves of two-phase steels from spherical nanoindentation data of constituent phases: Isostrain method vs. non-isostrain method Go to Link

Seok, Moo-Young; Kim, Yong-Jae; Choi, In-Chul; Zhao, Yakai; Jang, Jae-il

ArticleIssue Date2014CitationInternational Journal of Plasticity, v.59, pp 108 - 118PublisherPergamon Press Ltd.

SCIESCOPUS

Rate-dependent mechanical behavior of single-, bi-, twinned-, and poly-crystals of CoCrFeNi high-entropy alloy Go to Link

Wei, Siyuan; Zhao, Yakai; Jang, Jae-il; Ramamurty, Upadrasta

ArticleIssue Date2022CitationJournal of Materials Science and Technology, v.120, pp.253 - 264PublisherChinese Society of Metals

SCISCIESCOPUS

Resistance of CoCrFeMnNi high-entropy alloy to gaseous hydrogen embrittlement Go to Link

Zhao, Yakai; Lee, Dong-Hyun; Seok, Moo-Young; Lee, Jung-A; Phaniraj, M. P.; Suh, Jin-Yoo; Ha, Heon-Young; Kim, Ju-Young; Ramamurty, Upadrasta; Jang, Jae-Il

ArticleIssue Date2017CitationScripta Materialia, v.135, pp 54 - 58PublisherPergamon Press Ltd.

SCISCIESCOPUS

Spherical nanoindentation creep behavior of nanocrystalline and coarse-grained CoCrFeMnNi high-entropy alloys Go to Link

Lee, Dong-Hyun; Seok, Moo-Young; Zhao, Yakai; Choi, In-Chul; He, Junyang; Lu, Zhaoping; Suh, Jin-Yoo; Ramamurty, Upadrasta; Kawasaki, Megumi; Langdon, Terence G., et al.

ArticleIssue Date2016CitationActa Materialia, v.109, pp 314 - 322PublisherElsevier BV

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Browsing by Zhao, YakaiAuthor

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