Effect of hydrogen-induced surface steps on the nanomechanical behavior of a CoCrFeMnNi high-entropy alloy revealed by in-situ electrochemical nanoindentation

Miracle, 2017, A critical review of high entropy alloys and related concepts, Acta Mater., 122, 448, 10.1016/j.actamat.2016.08.081 Yeh, 2004, Formation of simple crystal structures in Cu-Co-Ni-Cr-Al-Fe-Ti-V alloys with multiprincipal metallic elements, Metall. Mater. Trans. A, 35a, 2533, 10.1007/s11661-006-0234-4 Li, 2019, Interstitial equiatomic CoCrFeMnNi high-entropy alloys: carbon content, microstructure, and compositional homogeneity effects on deformation behavior, Acta Mater., 164, 400, 10.1016/j.actamat.2018.10.050 Chen, 2004, Nanostructured nitride films of multi-element high-entropy alloys by reactive DC sputtering, Surf. Coat. Technol., 188, 193, 10.1016/j.surfcoat.2004.08.023 Huang, 2004, Multi-principal-element alloys with improved oxidation and wear resistance for thermal spray coating, Adv. Eng. Mater., 6, 74, 10.1002/adem.200300507 Kao, 2010, Hydrogen storage properties of multi-principal-component CoFeMnTi(x)V(y)Zr(z) alloys, Int. J. Hydrogen Energy, 35, 9046, 10.1016/j.ijhydene.2010.06.012 Robertson, 2015, Hydrogen embrittlement understood, Metall. Mater. Trans. A, 46a, 2323, 10.1007/s11661-015-2836-1 Luo, 2018, Corrosion behavior of an equiatomic CoCrFeMnNi high-entropy alloy compared with 304 stainless steel in sulfuric acid solution, Corros. Sci., 134, 131, 10.1016/j.corsci.2018.02.031 Troiano, 1984 W. Gerberich, 8 - modeling hydrogen induced damage mechanisms in metals, in: R.P. Gangloff, B.P. Somerday (Eds.), Gaseous Hydrogen Embrittlement of Materials in Energy Technologies, Woodhead Publishing2012, pp. 209-246. Abraham, 1995, Hydrogen-enhanced localization of plasticity in an austenitic stainless steel, Metall. Mater. Trans. A, 26, 2859, 10.1007/BF02669644 Ferreira, 1998, Hydrogen effects on the interaction between dislocations, Acta Mater., 46, 1749, 10.1016/S1359-6454(97)00349-2 Lynch, 2012, Hydrogen embrittlement phenomena and mechanisms, Corros. Rev., 30, 105 Lynch, 1988, Environmentally assisted cracking: overview of evidence for an adsorption-induced localized-slip process, Acta Metall., 36, 2639, 10.1016/0001-6160(88)90113-7 Kirchheim, 2007, Reducing grain boundary, dislocation line and vacancy formation energies by solute segregation II. Experimental evidence and consequences, Acta Mater., 55, 5139, 10.1016/j.actamat.2007.05.033 Kirchheim, 2007, Theoretical background, Acta Mater., 55, 5129, 10.1016/j.actamat.2007.05.047 Kirchheim, 2010, Revisiting hydrogen embrittlement models and hydrogen-induced homogeneous nucleation of dislocations, Scr. Mater., 62, 67, 10.1016/j.scriptamat.2009.09.037 Koyama, 2012, Effect of hydrogen content on the embrittlement in a Fe-Mn-C twinning-induced plasticity steel, Corros. Sci., 59, 277, 10.1016/j.corsci.2012.03.009 Tarzimoghadam, 2016, Multi-scale and spatially resolved hydrogen mapping in a Ni-Nb model alloy reveals the role of the δ phase in hydrogen embrittlement of alloy 718, Acta Mater., 109, 69, 10.1016/j.actamat.2016.02.053 Luo, 2018, Hydrogen embrittlement of an interstitial equimolar high-entropy alloy, Corros. Sci., 136, 403, 10.1016/j.corsci.2018.03.040 Song, 2014, Mechanisms of hydrogen-enhanced localized plasticity: an atomistic study using alpha-Fe as a model system, Acta Mater., 68, 61, 10.1016/j.actamat.2014.01.008 Deng, 2018, Hydrogen embrittlement revealed via novel in situ fracture experiments using notched micro-cantilever specimens, Acta Mater., 142, 236, 10.1016/j.actamat.2017.09.057 Barrera, 2018, Understanding and mitigating hydrogen embrittlement of steels: a review of experimental, modelling and design progress from atomistic to continuum, J. Mater. Sci., 53, 6251, 10.1007/s10853-017-1978-5 Li, 2016, Metastable high-entropy dual-phase alloys overcome the strength-ductility trade-off, Nature, 534, 227, 10.1038/nature17981 Haglund, 2015, Polycrystalline elastic moduli of a high-entropy alloy at cryogenic temperatures, Intermetallics, 58, 62, 10.1016/j.intermet.2014.11.005 Luo, 2017, Hydrogen enhances strength and ductility of an equiatomic high-entropy alloy, Sci. Rep., 7, 9892, 10.1038/s41598-017-10774-4 Zhao, 2017, Resistance of CoCrFeMnNi high-entropy alloy to gaseous hydrogen embrittlement, Scr. Mater., 135, 54, 10.1016/j.scriptamat.2017.03.029 Nygren, 2018, Hydrogen embrittlement in compositionally complex FeNiCoCrMn FCC solid solution alloy, Curr. Opin. Solid State Mater. Sci., 22, 1, 10.1016/j.cossms.2017.11.002 Zhao, 2017, Hydrogen-induced nanohardness variations in a CoCrFeMnNi high-entropy alloy, Int. J. Hydrogen Energy, 42, 12015, 10.1016/j.ijhydene.2017.02.061 Barnoush, 2006, Electrochemical nanoindentation: a new approach to probe hydrogen/deformation interaction, Scr. Mater., 55, 195, 10.1016/j.scriptamat.2006.03.041 Barnoush, 2012, Correlation between dislocation density and nanomechanical response during nanoindentation, Acta Mater., 60, 1268, 10.1016/j.actamat.2011.11.034 Wang, 2019, Effect of hydrogen on nanomechanical properties in Fe-22Mn-0.6C TWIP steel revealed by in-situ electrochemical nanoindentation, Acta Mater., 166, 618, 10.1016/j.actamat.2018.12.055 Asgari, 2012, Nanomechanical evaluation of the protectiveness of nitrided layers against hydrogen embrittlement, Corros. Sci., 62, 51, 10.1016/j.corsci.2012.04.046 Lu, 2019, Insight into hydrogen effect on a duplex medium-Mn steel revealed by in-situ nanoindentation test, Int. J. Hydrogen Energy, 44, 20545, 10.1016/j.ijhydene.2019.04.290 Kappes, 2012, Hydrogen permeation and corrosion fatigue crack growth rates of X65 pipeline steel exposed to acid brines containing thiosulfate or hydrogen sulfide, Corrosion, 68, 10.5006/0636 Lu, 2019, Hydrogen susceptibility of an interstitial equimolar high-entropy alloy revealed by in-situ electrochemical microcantilever bending test, Mater. Sci. Eng. A, 762, 10.1016/j.msea.2019.138114 Gutierrez-Urrutia, 2011, Dislocation and twin substructure evolution during strain hardening of an Fe-22 wt.% Mn-0.6 wt.% C TWIP steel observed by electron channeling contrast imaging, Acta Mater., 59, 6449, 10.1016/j.actamat.2011.07.009 Zaefferer, 2014, Theory and application of electron channelling contrast imaging under controlled diffraction conditions, Acta Mater., 75, 20, 10.1016/j.actamat.2014.04.018 Johnson, 1987 Liu, 2018, Stacking fault energy of face-centered-cubic high entropy alloys, Intermetallics, 93, 269, 10.1016/j.intermet.2017.10.004 Barnoush, 2010, Recent developments in the study of hydrogen embrittlement: hydrogen effect on dislocation nucleation, Acta Mater., 58, 5274, 10.1016/j.actamat.2010.05.057 Gerberich, 1996, Indentation induced dislocation nucleation: the initial yield point, Acta Mater., 44, 3585, 10.1016/1359-6454(96)00010-9 Oliver, 2004, Measurement of hardness and elastic modulus by instrumented indentation: advances in understanding and refinements to methodology, J. Mater. Res., 19, 3, 10.1557/jmr.2004.19.1.3 Pontini, 1997, X-ray diffraction measurement of the stacking fault energy reduction induced by hydrogen in an AISI 304 steel, Scr. Mater., 37, 1831, 10.1016/S1359-6462(97)00332-1 Olden, 2008, Modelling of hydrogen diffusion and hydrogen induced cracking in supermartensitic and duplex stainless steels, Mater. Des., 29, 1934, 10.1016/j.matdes.2008.04.026 Birnbaum, 1994, Hydrogen-enhanced localized plasticity—a mechanism for hydrogen-related fracture, Mater. Sci. Eng. A, 176, 191, 10.1016/0921-5093(94)90975-X Hoelzel, 2004, Effects of high-pressure hydrogen charging on the structure of austenitic stainless steels, Mater. Sci. Eng. A, 384, 255, 10.1016/S0921-5093(04)00822-6 Ulmer, 1993, Phase-relations in the hydrogen austenite system, Acta Metall. Mater., 41, 2235, 10.1016/0956-7151(93)90393-7 Laplanche, 2015, Temperature dependencies of the elastic moduli and thermal expansion coefficient of an equiatomic, single-phase CoCrFeMnNi high-entropy alloy, J. Alloy. Comp., 623, 348, 10.1016/j.jallcom.2014.11.061 Wu, 2015, Nano-twin mediated plasticity in carbon-containing FeNiCoCrMn high entropy alloys, J. Alloy. Comp., 647, 815, 10.1016/j.jallcom.2015.05.224 Zaddach, 2013, Mechanical properties and stacking fault energies of NiFeCrCoMn high-entropy alloy, JOM (J. Occup. Med.), 65, 1780 Tomatsu, 2016, Electrochemical nanoindentation study on influence of hydrogen on local mechanical properties of fcc metals at slow strain rate, ISIJ Int., 56, 418, 10.2355/isijinternational.ISIJINT-2015-289 Skalskyi, 2013, Effect of electrolytically absorbed hydrogen on Young's modulus of structural steel, Mater. Sci., 48, 491, 10.1007/s11003-013-9529-y Lunarska, 1977, Effect of hydrogen on shear modulus of polycrystalline alpha-iron, Acta Metall., 25, 305, 10.1016/0001-6160(77)90149-3 Jiang, 2008, Effect of surface roughness on nanoindentation test of thin films, Eng. Fract. Mech., 75, 4965, 10.1016/j.engfracmech.2008.06.016 Begau, 2011, Atomistic processes of dislocation generation and plastic deformation during nanoindentation, Acta Mater., 59, 934, 10.1016/j.actamat.2010.10.016 Frenkel, 1926, Zur Theorie der Elastizitätsgrenze und der Festigkeit kristallinischer Körper, 37, 572 Anderson, 2017 Robertson, 2001, The effect of hydrogen on dislocation dynamics, Eng. Fract. Mech., 68, 671, 10.1016/S0013-7944(01)00011-X Barnoush, 2008, Hydrogen embrittlement of aluminum in aqueous environments examined by in situ electrochemical nanoindentation, Scr. Mater., 58, 747, 10.1016/j.scriptamat.2007.12.019 Zamanzade, 2014, Cr effect on hydrogen embrittlement of Fe3Al-based iron aluminide intermetallics: surface or bulk effect, Acta Mater., 69, 210, 10.1016/j.actamat.2014.01.042 Chandler, 2008, Hydrogen effects on nanovoid nucleation in face-centered cubic single-crystals, Acta Mater., 56, 95, 10.1016/j.actamat.2007.09.012 Ferreira, 1996, Influence of hydrogen on the stacking-fault energy of an austenitic stainless steel, Mater. Sci. Forum, 207–209, 93, 10.4028/www.scientific.net/MSF.207-209.93 Bamoush, 2015, Correlation between the hydrogen chemical potential and pop-in load during in situ electrochemical nanoindentation, Scr. Mater., 108, 76, 10.1016/j.scriptamat.2015.06.021 Shan, 2005, Multiscale simulation of surface step effects on nanoindentation, Mater. Sci. Eng. A, 412, 264, 10.1016/j.msea.2005.08.198 Wang, 2011, Influences of surface preparation on nanoindentation pop-in in single-crystal Mo, Scr. Mater., 65, 469, 10.1016/j.scriptamat.2011.05.030 Nix, 1998, Indentation size effects in crystalline materials: a law for strain gradient plasticity, J. Mech. Phys. Solids, 46, 411, 10.1016/S0022-5096(97)00086-0 He, 2016, A precipitation-hardened high-entropy alloy with outstanding tensile properties, Acta Mater., 102, 187, 10.1016/j.actamat.2015.08.076 Bouaziz, 2011, High manganese austenitic twinning induced plasticity steels: a review of the microstructure properties relationships, Curr. Opin. Solid State Mater. Sci., 15, 141, 10.1016/j.cossms.2011.04.002 Durst, 2005, Indentation size effect in metallic materials: correcting for the size of the plastic zone, Scr. Mater., 52, 1093, 10.1016/j.scriptamat.2005.02.009 Lawn, 1980, Elastic/plastic indentation damage in ceramics: the median/radial crack system, J. Am. Ceram. Soc., 63, 574, 10.1111/j.1151-2916.1980.tb10768.x