Inconel 625 上等离子喷涂和电子束重熔 Ni-Cr-Re 涂层的微观结构、硬度和耐磨性

IF 5.8 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Journal of Alloys and Compounds Pub Date : 2024-10-22 DOI:10.1016/j.jallcom.2024.177193

I. KALEMBA-REC, M. KOPYŚCIAŃSKI, P. ŚLIWIŃSKI, S. DYMEK, M.S. WĘGLOWSKI, A. WRONA

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引用次数: 0

摘要

本文介绍了在因科镍合金 625 上使用不同铼含量的镍铬铼合金制成的空气等离子喷涂（ASP）层进行电子重熔的微观结构和机械性能研究。首先，制备了铼含量为 10%、20% 和 30%（重量比）的镍-20%铬粉末合金，并通过 ASP 将其喷涂到因科镍合金上。然后，在不同参数下用电子束重熔空气等离子喷涂涂层。电子束重熔提高了 ASP 涂层的致密性和光滑度。重熔后的涂层具有树枝状的微观结构。磨损测试表明，当 Re 含量较高时，喷涂和电子重熔涂层的重量损失较小，并且重熔涂层的硬度随 Re 含量的增加而增加。

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Microstructure, hardness and wear resistance of plasma-sprayed and electron beam remelted Ni-Cr-Re coatings on Inconel 625

This paper presents research on the microstructure as well as mechanical properties of electron remelting of air plasma spraying (ASP) layers made of Ni-Cr-Re alloy with varying amounts of rhenium on Inconel 625. Initially, Ni-20%Cr powder alloys with 10, 20 and 30% (by weight) rhenium content were prepared and applied to the Inconel by ASP. Then, the air plasma sprayed coatings were remelted by electron beam under different parameters. The remelting by electron beam improved the density and smoothness of the ASP coatings. The remelted coatings were characterized by a dendritic microstructure. Wear tests revealed that the sprayed and electron-remelted coatings had a lower weight loss for higher Re content and that the hardness the remelted coating increased with increasing Re content.

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来源期刊

Journal of Alloys and Compounds 工程技术-材料科学：综合

CiteScore

11.10

自引率

14.50%

发文量

5146

审稿时长

67 days

期刊介绍： The Journal of Alloys and Compounds is intended to serve as an international medium for the publication of work on solid materials comprising compounds as well as alloys. Its great strength lies in the diversity of discipline which it encompasses, drawing together results from materials science, solid-state chemistry and physics.