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Influence of unique layered microstructure on fatigue properties of Ti-48Al-2Cr-2Nb alloys fabricated by electron beam melting
10.1016/j.intermet.2018.01.009 2018-02-03 The influence of a unique layered microstructure consisting of duplex-like region and equiaxed γ grain layers (γ bands) on the fatigue properties of Ti-48Al-2Cr-2Nb alloy bars fabricated by electron beam melting (EBM) was investigated at room temperature (RT)... |
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Application of laser remelting process on the Zr-Cu based alloy composite
10.1016/j.intermet.2018.01.012 2018-02-03 In this study, a 1.0 mm thick (Zr48Cu32Al8Ag8,Ta4)Si0.75 alloy composite (AC) plate was laser remelted (LR) by employing the Nd:YAG laser technique. To fully remelt the plate, a two-sided welding process with preselected parameters was employed. The microstru... |
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Ferromagnetic ordering in the novel ternary uranium germanide URu0.29Ge2
10.1016/j.intermet.2018.01.011 2018-02-03 URu0.29Ge2 is a new germanide crystallizing in a monoclinic structure (C2/c space group, lattice parameters: a = 4.098(1) Å, b = 15.936(3) Å, c = 4.045(1) Å and β = 90.091(2)°) derived from the CeNiSi2-type. It undergoes a ferromagnetic ordering at TC = 63 K,... |
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Effect of solution and aging treatment on the microstructure and tensile properties of SiCf/C/Mo/Ti2AlNb composites
10.1016/j.intermet.2018.01.007 2018-02-03 SiCf/C/Mo/Ti2AlNb composites were prepared by foil-fiber-foil (FFF) method and are used as model system to study the effect of solution-ageing treatments on the interface and mechanical properties of SiC fiber-reinforced TiAl-matrix composites. By contrast, S... |
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Precipitation behavior and mechanical properties of Ti-Ni-Nb-Co alloys
10.1016/j.intermet.2018.01.014 2018-02-03 The Ti44.5Ni46.5-xNb9Cox (x = 0.5, 1, 2, 4) alloys were designated to investigate the effect of Co content and annealing treatment on the precipitation behavior and mechanical properties. The formation of nanoscale precipitates was being reported here for the... |
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Microstructure of intermetallic-reinforced Al-Based alloy composites fabricated using eutectic reactions in Al–Mg–Zn ternary system
10.1016/j.intermet.2018.01.018 2018-02-03 We designed two types of Al-based alloy composites reinforced by η-Zn2Mg (hexagonal) and T-Al6Mg11Zn11 (cubic) intermetallic phases using monovariant eutectic reactions in the Al–Mg–Zn ternary system and then attempted to fabricate them using solidification. ... |
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(TiZrNbTa)-Mo high-entropy alloys: Dependence of microstructure and mechanical properties on Mo concentration and modeling of solid solution strengthening
10.1016/j.intermet.2018.01.017 2018-02-03 In this work, the evolution of microstructure and fundamental mechanical properties with Mo concentration in the arc-melted (TiZrNbTa)100-xMox (0 ≤ x ≤ 20) high-entropy alloys (HEAs) are investigated. The arc-melted (TiZrNbTa)100-xMox alloys structurally cons... |
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Hydrogen storage properties of LaMg4Cu
10.1016/j.intermet.2018.01.015 2018-02-03 A new LaMg4Cu intermetallic compound with hexagonal UCoAl4 type structure is prepared by induction melting and subsequent heating treatment. The compound rapidly absorb 3.3 wt% hydrogen at 573 K under 4.0 MPa H2 for the first cycle, leading to phase segregati... |
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Mapping the magnetic transition temperatures for medium- and high-entropy alloys
10.1016/j.intermet.2018.01.016 2018-02-03 Tailorable magnetic state near room temperature is very promising for several technological, including magnetocaloric applications. Here using first-principle alloy theory, we determine the Curie temperature (TC) of a number of equiatomic medium- and high-ent... |
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Fe87Zr7B4Co2 amorphous alloy with excellent magneto-caloric effect near room temperature
10.1016/j.intermet.2018.01.019 2018-02-03 A Fe87Zr7B4Co2 amorphous alloy with excellent magneto-caloric effect near room temperature was fabricated in the present work. The amorphous alloy exhibits typical soft magnetic behavior with nearly zero coercivity at a sub-ambient temperature. The glassy rib... |