Showing papers in "Intermetallics in 2022"

TL;DR: In this paper , the evolution and stability of phase boundaries (PBs) between L 1 2 -Ni 3 Al phases in Ni 75 Al 11 V 14 alloy aged at 1050k was studied using the microscopic equation phase-field method (MPFM).

TL;DR: In this paper , the effects of the devitrification process on the microstructure evolution and corrosion resistance of arc-sprayed AlFeSi metallic glass coatings were explored.

TL;DR: In this article, the influence of atomic ratio of titanium in high entropy alloys on the number of ceramic, microstructure, tribology and corrosion behavior at room temperature of the laser cladding coatings were studied.

TL;DR: In this article , the influence of atomic ratio of titanium in high entropy alloys on the number of ceramic, microstructure, tribology and corrosion behavior at room temperature of the laser cladding coatings were studied.

TL;DR: In this paper , a high entropy alloy (HEA) was successfully synthesized on a Ti6Al4V sheet by laser cladding, and the results indicated that the coating consists of body-centered cubic (BCC) and σ phases with a typical uniform dendrite microstructure.

TL;DR: In this paper , Ni-decorated reduced graphene oxide (Ni-RGO) nanosheets as foreign reinforcements were prepared through the in-situ thermal decomposition of [email protected] complexes.

TL;DR: In this article , the authors designed and synthesized high-entropy alloys (HEAs) with compositions of (Ti1/3Zr 1/3Hf 1/5Hf 15(Nb1/2Ta 1/2)x (x = 3, 5) using the cluster formula approach.

TL;DR: The high-entropy alloys (HEAs) with compositions of (Ti1/3Zr 1/3Hf 1/4Hf 2/3)15(Nb1/2Ta 1/2)x (x = 3, 5) for biomedical applications have been designed and synthesized, using the cluster formula approach as discussed by the authors.

TL;DR: In this paper , five medium entropy alloys (MEAs) were designed and fabricated to obtain implant materials more suitable for human bone, and the solid solution strengthening model and transition metal bond energy model were used to analyze their yield strength and elastic modulus.

TL;DR: In this article , the authors investigated the hot deformation behavior and microstructure evolution of a non-equimolar TiZrHf-rich refractory high-entropy alloy (RHEA) with a composition of Ti2Zr HfV0.5Ta0.2 (at. %).

TL;DR: In this paper, five medium entropy alloys (MEAs) were designed and fabricated to obtain implant materials more suitable for human bone, and the solid solution strengthening model and transition metal bond energy model were used to analyze their yield strength and elastic modulus.

TL;DR: In this article , the distributions of tungsten (W) in Ni-based single crystal superalloys with different Re and Ta contents are characterized and specified by atom probe tomography.

TL;DR: In this article , the influence of Al-5Ti-1B on the nucleation and growth of Fe-rich phases was studied by scanning electron microscopy (SEM), X-ray diffraction (XRD), differential scanning calorimetry (DSC), focused ion beam (FIB), and in-situ synchrotron Xray radiography experiments.

TL;DR: In this paper , the effects of Ti and Al contents and temperature on the mechanical properties of CoCrFeNi(Al0.3Ti0.2)x HEA were explored.

TL;DR: In this article, the authors demonstrate large elastocaloric effect driven by low stress in a directionally solidified Ni50Mn33In15.5Cu1.5 alloy.

TL;DR: In this article , the authors demonstrate large elastocaloric effect driven by low stress in a directionally solidified Ni50Mn33In15.5Cu1.5 alloy.

TL;DR: In this paper , the effect of refractory metal W on the thermal stability, mechanical properties and corrosion resistance of Fe36Cr23Mo18-XWXC15B6Y2 bulk metallic glasses (BMGs) were systematically investigated.

TL;DR: In this paper , micro-nano Ti2AlC-reinforced TiAl composites were successfully fabricated by means of spark plasma sintering (SPS) using the ball-milled multilayer graphene oxide and Ti-48Al-2Nb-2Cr pre-alloyed powders.

TL;DR: In this paper , the morphological evolution and grain orientations of intermetallic compounds were investigated during the formation of full Cu3Sn joints at two soldering temperatures (310 and 430 °C).

TL;DR: In this article , the phase stability, elasticity, fracture toughness, electronic characteristics and thermal conductivity of Ag-doped η′-Cu6Sn5 were explored based on first-principles calculations.

TL;DR: In this article , the effect of 10 at.% Al addition into the ternary equimolar Ti0.33V 0.33Nb 0.34 alloy on the hydrogen storage properties was investigated.

TL;DR: In this paper, the effects of yttrium addition on the microstructures and mechanical properties of CoCrNi MEAs were studied, and the results showed that the microhardness and strength scaled with the volume fraction of precipitates in the alloy.

TL;DR: In this article, the authors reported the 1200°C oxidation behavior of CrNb, CrnbTi, and CrnBTaTi and showed that the resulting microstructures are characterized using a variety of analytical techniques and discussed relative to modeling predictions using ab initio density functional theory.

TL;DR: In this paper , the effects of yttrium addition on the microstructures and mechanical properties of CoCrNi MEAs were studied, and the results showed that the microhardness and strength scaled with the volume fraction of precipitates in the alloy.

TL;DR: The phase interface orientation relationship of AlCoCrFeNi2.1 EHEA satisfies the N-M relationship, which is < 110>FCC/<100>BCC,{111}FCC//{110}BCC as discussed by the authors .

TL;DR: In this article , the influence of V addition on the microstructure and high-temperature tensile performance of Ti46Al7Nb0.4W0.6Cr alloy, fabricated by using the cold crucible directional solidification method, is comprehensively investigated.

TL;DR: In this paper , the microstructure evolution of Al-Fe-Si alloys with varying Fe, Si contents and cooling rates was studied, and it was found that as the Si content decreases, the iron-rich phases transform from the β-Al9Fe2Si2 to the eutectic α-Al8Fe 2Si.

TL;DR: In this article , a new high-entropy alloy is fabricated by selective laser melting (SLM) with the addition of Si powder into Fe50Mn30Co10Cr10 metastable high entropy alloy powders.

TL;DR: In this paper , an as-cast Ti37V15Nb22Hf23W3 refractory high entropy alloy (RHEA) with outstanding tensile properties designed by the natural mixing method and solid solution strengthening theoretical model is reported.

TL;DR: In this article , the phase diagram of the Sm-Co system was revised and the stability domains of the intermetallic phases (binary phases and their extension inside ternary) were defined.