铼含量对钨铼合金摩擦磨损性能的影响  

Friction and Wear Properties of Tungsten-Rhenium Alloys with Different Rhenium Contents

作　　者：李诵斌 易锦伟 习瑶瑶 谌日葵 谢琨 丁思琪 冯永山 李阁平 LI Songbin;YI Jinwei;XI Yaoyao;CHEN Rikui;XIE Kun;DING Siqi;FENG Yongshan;LI Geping(Jiangxi Copper Corp.,Ltd.Jiangxi Provincial Key Laboratory of Rare and Scattered Metals Materials,Nan-chang 330096,China;Jiangxi Copper Technology Institute Co.,Ltd.,Nanchang 330096,China;Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110055,China)

机构地区：[1]江西铜业集团有限公司稀贵稀散金属材料江西省重点实验室,江西南昌330096 [2]江西铜业技术研究院有限公司,江西南昌330096 [3]中国科学院金属研究所,辽宁沈阳110055

出　　处：《铜业工程》2025年第2期63-68,共6页Copper Engineering

基　　金：稀贵稀散金属材料江西省重点实验室项目(2024SSY05051)资助。

摘　　要：钨铼合金是搅拌摩擦焊接钛合金和不锈钢等高熔点合金的首选搅拌头材料。本文以粉末冶金法制备的W-7Re和W-25Re合金为研究对象,探讨了铼含量对钨铼合金组织结构和摩擦磨损性能的影响。结果表明,铼含量的增加显著细化了钨铼合金的晶粒尺寸,并提升了其在高低温环境下的耐磨损性能。钨铼合金在高温下的磨损机理主要为氧化磨损和黏着磨损,而在室温下则是磨粒磨损。Tungsten-rhenium(W-Re)alloys are the preferred tool materials for friction stir welding of high-melting-point alloys such as titanium and stainless steel.This article focuses on W-7Re and W-25Re alloys prepared via powder metallurgy,examining the influence of Re content on microstructure and friction-wear properties of W-Re alloys.The results reveal that an increase in Re content notably refines the grain size of W-Re alloys and enhances their wear resistance in both high and low-temperature environments.The primary wear mechanisms of W-Re alloys may primarily involve oxidation and adhesive wear,while it may mainly be abrasive wear at room temperature.

关 键 词：搅拌摩擦焊 钨铼合金 摩擦系数 磨损体积 磨损率 

分 类 号：TG146.41[一般工业技术—材料科学与工程]