WebPred 1 dňom · New refractory high entropy TiTaZrHfW(N) thin films nitrides deposited by magnetron sputtering. • Target poisoning in reactive mode was analyzed using Optical Emission Spectroscopy. • Effect of nitrogen content on microstructure, mechanical properties and oxidation has been studied. • Good thermal stability at high temperature … Web第四代核反應器國際論壇(The Generation IV International Forum, GIF)所提出之第四代核反應器(Generation IV reactor),預計在2030年商轉,其最重要的目的即為取代現行商用的第二代核反應器、提升發電效率、減少污染、防止核武擴散並且提升永續性。但在第四代核反應器中如此嚴苛的工作環境下,尚未有一組材料 ...
High-throughput thermodynamic screening of carbide/refractory …
WebA new refractory high entropy alloy (RHEA) with non-equiatomic composition of W10Mo27Cr21Ti22Al20 was designed based on empirical rules and CALPHAD approach. Calculated results showed that W10Mo27Cr21Ti22Al20 RHEA had lower density and higher melting temperature than that of equiatomic alloy. ... Comparing with four conventional … Web14. feb 2024 · alloying additions—for example, in steels, superalloys, and high-entropy alloys (HEAs). Finally, it should be mentioned that most refractory metals are biocompatible, paving the way toward the development of biomaterials for use in implant applications. Poor low-temperature fabricability and poor oxidation at high temperatures are shortcomings of chipped toenail treatment
Metals Special Issue : Advanced Refractory Alloys - MDPI
Web11. mar 2024 · The third-generation thermodynamic descriptions for Ta-Cr and Ta-V binary systems were performed to construct the reliable thermodynamic database for refractory high-entropy alloys (RHEAs) containing Laves phase. The third-generation Gibbs energy expressions of pure Cr and V in both solid and liquid phases were established, from which … Web5. aug 2024 · Refractory metal high entropy superalloys (RSAs) have been heralded as potential new high temperature structural materials. They have nanoscale cuboidal bcc+B2 microstructures that are... Web8. jan 2024 · Entropy 2024, 23, 80 2 of 14 The recent development of refractory metal high-entropy superalloys (RSA), based on the AlMoNbTaTiZr system, has attracted significant attention as they have the potential for use in structural applications at temperatures higher than currently accessible [8,9]. granulated plastic for sale