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High-temperature high-entropy alloys AlxCo15Cr15Ni70-x based on the Al-Ni binary system
10.1016/j.msea.2018.03.058 2018-03-21 To find high-temperature high-entropy alloys, a series of quaternary non-equimolar AlxCo15Cr15Ni70-x (x in atomic ratio, 0 ≤ x ≤ 35) alloys was designed, based on the Al-Ni binary system and prepared by arc-melting. The crystal structure, microstructure, and ... |
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Observations on {332}<113> Twinning-induced Softening in Ti-Nb Gum Metal
10.1016/j.msea.2018.03.062 2018-03-21 Thermomechanical-cycling processes were applied to a metastable Ti-23Nb-0.7Ta-2Zr-1.0 O (at%) alloy to control a volume fraction of mechanical twins, resulting from activation of twinning-induced plasticity effects. Analysis of the microstructure features des... |
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A comparative study of hydrogen embrittlement of 20SiMn2CrNiMo, PSB1080 and PH13-8Mo high strength steels
10.1016/j.msea.2018.03.076 2018-03-21 The present study was attempted to evaluate the hydrogen embrittlement (HE) of commercial 20SiMn2CrNiMo, PSB1080 and PH13-8Mo high strength steels using slow strain rate tensile tests with smooth cylindrical tensile specimens. The results reveal that three st... |
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Austenite stability and mechanical properties of a low-alloyed ECAPed TRIP-aided steel
10.1016/j.msea.2018.03.085 2018-03-21 Equal channel angular pressing (ECAP) and post-ECAP heat treatment were conducted on a Fe-1.38Mn-0.67Si-0.56Al-0.014Nb-0.18 C transformation-induced plasticity (TRIP) aided steel. The microstructure of unECAPed TRIP sample was mainly composed of polygonal fer... |
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Comparison of microstructures and mechanical properties of Inconel 718 alloy processed by selective laser melting and casting
10.1016/j.msea.2018.03.073 2018-03-20 The paper comparatively investigates the microstructures and mechanical properties of Inconel 718 superalloy manufactured by selective laser melting (SLM) and casting. The finite element analysis (FEA) method is used to simulate the temperature fields during ... |
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Porosity Alleviation and Mechanical Property Improvement of Strontium modified A356 alloy by Ultrasonic treatment
10.1016/j.msea.2018.03.069 2018-03-20 Present study investigates the role of ultrasonic treatment (UT) on microstructure modification, porosity mitigation and their influence on mechanical properties of Sr modified A356 Al alloy. Addition of Sr in trace amount (500 ppm) to A356 alloy results in r... |
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Compression with oscillatory torsion applied after solution treatment and aging treatment of CuCr0.6 alloy for grain refinement: Microstructure, mechanical and electrical properties
10.1016/j.msea.2018.03.077 2018-03-20 Microstructure, mechanical properties and electrical conductivity of the CuCr0.6 alloy processed by compression with oscillatory torsion (COT) at room temperature were investigated. The COT processing was applied for the samples processed with the solution tr... |
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Effect of Quenching Temperature on Sulfide Stress Cracking Behavior of Martensitic Steel
10.1016/j.msea.2018.03.063 2018-03-20 A medium-carbon Cr-Mo-V martensitic steel was quenched at a decreased temperature from 1200 to 900 °C and tempered at an identical temperature of 700 °C, thus provided with an enhanced KISSC value. The effect of quenching temperature, Tq, on the sulfide stres... |
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Anisotropic tensile and actuation properties of NiTi fabricated with selective laser melting
10.1016/j.msea.2018.03.072 2018-03-20 This study evaluates the anisotropic tensile properties of Ni50.1Ti49.9 (in at. %) components fabricated using an additive manufacturing (AM) process of selective laser melting (SLM). Dog-bone shaped tensile specimens were fabricated in three orthogonal build... |
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Microstructure and mechanical properties of 18Mn3Si2CrMo steel subjected to austempering at different temperatures below Ms
10.1016/j.msea.2018.03.067 2018-03-20 A low-carbon 18Mn3Si2CrMo steel was subjected to austempering at different temperatures below Ms, and low-temperature bainite was introduced. The multiphase microstructures of martensite, bainite and retained austenite with different volume fractions were obt... |