Topic
Alloy
About: Alloy is a research topic. Over the lifetime, 171884 publications have been published within this topic receiving 1719420 citations. The topic is also known as: alloys.
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TL;DR: In this paper, the deformation behavior of fine-grained magnesium alloys reinforced by quasicrystalline particles was investigated and compared with that of commercial AZ31, AZ61 and AZ91 alloys.
203 citations
TL;DR: In this article, a three-component Ni-Nb-Sn system near a ternary eutectic composition is formed in the three-phase field bounded by the three intermetallics Ni3Nb, Ni6Nb7 (μ-phase), and Ni2NbSn (BiF3-type).
Abstract: Refractory Ni-based bulk metallic glasses are formed in the three-component Ni–Nb–Sn system near a ternary eutectic composition located within the three-phase field bounded by the three intermetallics Ni3Nb, Ni6Nb7 (μ-phase), and Ni2NbSn (BiF3-type). Bulk amorphous alloys of composition Ni60Nb40−xSnx with 3
203 citations
TL;DR: The microstructure and compressive properties of AlCoCrCuFeNi high-entropy alloy aged at temperatures ranging from 500 to 1000°C were investigated in this article.
203 citations
TL;DR: In this paper, the body centered cubic (BCC) phases of the two BCC phases separated with the increase of Mo content while Mo element preferred to dissolve into FeCr-type solid solution.
203 citations
TL;DR: A solution-based approach to the preparation of Pt-based alloy with early transition metals and realistic parameters for the stability and activity of Pt(3)M nanocatalysts for oxygen reduction reaction (ORR) are reported.
Abstract: The design of electrocatalysts for polymer electrolyte membrane fuel cells must satsify two equally important fundamental principles: optimization of electrocatalytic activity and long-term stability in acid media (pH <1) at high potential (0.8 V). We report here a solution-based approach to the preparation of Pt-based alloy with early transition metals and realistic parameters for the stability and activity of Pt(3)M (M = Y, Zr, Ti, Ni, and Co) nanocatalysts for oxygen reduction reaction (ORR). The enhanced stability and activity of Pt-based alloy nanocatalysts in ORR and the relationship between electronic structure modification and stability were studied by experiment and DFT calculations. Stability correlates with the d-band fillings and the heat of alloy formation of Pt(3)M alloys, which in turn depends on the degree of the electronic perturbation due to alloying. This concept provides realistic parameters for rational catalyst design in Pt-based alloy systems.
203 citations