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作者:... J.T. Lloyd , R.S. Mishra , R. Banerjee
来源:[J].Materials Science & Engineering A(IF 2.108), 2020, Vol.771
摘要:Abstract(#br)High entropy alloys (HEAs) offer the opportunity to achieve an unprecedented balance of properties by accessing novel multi-scale microstructural combinations. Despite the large range of combinations of strength and ductility reported in HEAs, the complex interplay b...
作者:... K. Liu , R.A. Lebensohn , R.S. Mishra
来源:[J].Acta Materialia(IF 3.941), 2020, Vol.184, pp.164-178
摘要:Abstract(#br)Deformation mechanisms of a friction stir processed Fe 40 Mn 20 Co 20 Cr 15 Si 5 transformative high entropy alloy using three different process parameters were studied to explain the microstructural dependence of tensile response in these specimens. The relative str...
作者:R.S. Mishra , M. Bourham
来源:[J].Journal of Nuclear Materials(IF 1.211), 2017, Vol.495, pp.154-163
摘要:Abstract(#br)High entropy alloys are a new class of metallic materials with potential for use in a wide variety of applications including their use in corrosive environment. The present study focused on the corrosion behavior of a single-phase, face-centered cubic high entropy al...
作者:R.S. Mishra , R.E. Brennan
来源:[J].Materials Science & Engineering A(IF 2.108), 2018, Vol.729, pp.294-299
摘要:Abstract(#br)Friction stir processing (FSP) of a new rare earth-free Mg-5Al-3.5Ca-1Mn (AXM541) alloy resulted in significant microstructural refinement and mechanical properties comparable to existing AXM series Mg alloys. Severe refinement of the Al-Ca (C36) phase during FS...
作者:... S. Shukla , K. Liu , R.S. Mishra
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 2018, Vol.259, pp.259-269
摘要:Abstract(#br)Friction stir lap welding-a precursor to the friction stir cladding- stainless steel on plain carbon steel was attempted. Refined microstructure with fully recrystallized austenitic grains with ∼3 μm grain size and intermixing with base steel sample resulted in ...
作者:... M. Komarasamy , V. Ageh , R.S. Mishra
来源:[J].Materials Chemistry and Physics(IF 2.072), 2018, Vol.217, pp.308-314
摘要:Abstract(#br)Mechanisms contributing to the plastic deformation of coarse grained (CG, average grain diameter 1–2 mm), and friction-stir-processed fine grained (FG, 0.3–14 μm) fcc Al 0.1 CoCrFeNi high entropy alloy was investigated. In the grain interiors of CG, deforma...
作者:R.S. Mishra , B. McWilliams
来源:[J].Scripta Materialia(IF 2.821), 2018, Vol.154, pp.163-167
摘要:Abstract(#br)Conventional high strength alloys lack ductility due to lower work hardening and early onset of damage nucleation. To overcome this deficiency, high entropy alloys (HEAs) enjoy the benefit of metastability of phases to tune the deformation mechanisms for enginee...
作者:... N. Kumar , R.S. Mishra , K.J. Doherty
来源:[J].Materials Science & Engineering A(IF 2.108), 2017, Vol.684, pp.470-479
摘要:Abstract(#br)Friction stir welding is a solid state joining technique in which no melting is involved. This technique is very attractive for high strength aluminum alloys, since these are difficult to weld by conventional means. Al-Zn-Mg-Cu alloys are strengthened mainly by ...
作者:R.S. Mishra , B.A. McWilliams
来源:[J].Scripta Materialia(IF 2.821), 2019, Vol.166, pp.168-172
摘要:Abstract(#br)High-strength materials lack a synergistic combination of mechanical properties and corrosion resistance desired for most structural applications. Phase and grain boundary architecturing is done in the material to attain balance in these properties. A friction s...
作者:... N. Kumar , R.S. Mishra , K.J. Doherty
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2017, Vol.713, pp.51-63
摘要:Abstract(#br)Welding of precipitation strengthened (PS) aluminum alloys leads to a knockdown of mechanical properties in the weld zone. Reduced mechanical properties in the weld region, impact the design of load-bearing structures resulting in heavier engineering components. So f...

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