Effects of temperature on the tribological behavior of Al0.25CoCrFeNi high-entropy alloy

被引：0

作者：

L.M.Du ^{[1
]}

L.W.Lan ^{[1
]}

S.Zhu ^{[2
]}

H.J.Yang ^{[1
]}

X.H.Shi ^{[1
]}

P.K.Liaw ^{[3
]}

J.W.Qiao ^{[1
]}

机构：

[1] Research Center for High-Entropy Alloys, College of Materials Science and Engineering, Taiyuan University of Technology

[2] National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering

[3] Department of Materials Science and Engineering, The University of Tennessee

来源：

JournalofMaterialsScience&Technology | 2019年 / 35卷 / 05期

基金：

美国国家科学基金会;

关键词：

Abrasive wear; Friction and wear characteristics; Hardness; High temperature; Microstructure; Oxidation; Rapid solidification; Sliding; Wear mechanism;

D O I：

暂无

中图分类号：

TG139 [其他特种性质合金];

学科分类号：

080502 ;

摘要：

The tribological behavior of AlCoCrFeNi high-entropy alloy(HEA) sliding against SiNball was investigated from room temperature to 600°. The microstructure of the alloys was characterized by simple FCC phase with 260 HV. Below 300°, with increasing temperature, the wear rate increased due to high temperature softening. The wear rate remained stabilized above 300°due to the anti-wear effect of the oxidation film on the contact interface. The dominant wear mechanism of HEA changed from abrasive wear at room temperature to delamination wear at 200°, then delamination wear and oxidative wear at 300°and became oxidative above 300°. Moreover, the adhesive wear existed concomitantly below 300°.

引用

页码：917 / 925

页数：9

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