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Author:

郭勇 (郭勇.)

Indexed by:

CQVIP PKU

Abstract:

利用双层辉光等离子表面渗金属技术(DGPSAT)在γ-TiAl合金表面进行等离子渗Cr-W处理,采用扫描电镜、硬度分析、X-射线及磨损试验,研究了Cr-W共渗合金层对γ-TiAl合金组织结构、成分、硬度及磨损性能的影响规律.结果表明,γ-TiAl与共渗合金层表面结构均匀,结合处连接紧密,无孔洞、裂纹等缺陷;共渗合金层硬度比基体高近2倍,且至少可承受65 N垂直载荷;在室温和500℃下含有Cr-W共渗合金层的γ-TiAl合金的摩擦系数、磨损率和磨损失重均小于基体.

Keyword:

γ-TiAl金属间化合物 磨损性能 双层辉光等离子渗金属法 Cr-W合金层 微观结构

Author Community:

  • [ 1 ] [郭勇]北京工业大学

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Source :

铸造技术

ISSN: 1000-8365

Year: 2014

Issue: 11

Volume: 35

Page: 2558-2560

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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