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Author:

代大桥 (代大桥.)

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学位论文库

Abstract:

为了修复已报废之Cr12MoV钢精轧辊,针对轧辊的主要失效行为(磨损、剥落和裂纹),利用大功率CO2激光器,在Cr12MoV钢表面激光熔覆了Stellite 6-(5%~30%)WC合金,并利用光学显微镜、X射线衍射仪、扫描电子显微镜、透射电子显微镜、显微硬度计和M-200环-块磨损实验机等对熔覆层的界面结合状态、显微组织、物相组成、显微硬度分布和耐磨性进行了测试和分析。



   结果表明:(1)当激光熔覆工艺参数分别为激光功率3.0~3.2 kW、光斑直径3.0mm、扫描速度7.5mm/s、送粉量为

Keyword:

6合金 Cr12MoV钢 Stellite 激光熔覆 耐磨性 显微硬度

Author Community:

  • [ 1 ] 西安交通大学材料科学与工程学院

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Basic Info :

Degree: 硕士

Mentor: 梁工英

Student No.:

Year: 2004

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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