钨极氩弧熔敷技术制备含TiC颗粒增强涂层的研究

山东大学学报(工学版)

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钨极氩弧熔敷技术制备含TiC颗粒增强涂层的研究

宋思利，邹增大，王新洪，李清明

山东大学材料科学与工程学院，山东济南250061

收稿日期:2006-02-17 修回日期:1900-01-01 出版日期:2006-06-24 发布日期:2006-06-24
通讯作者: 宋思利

Study on the microstructures of insitu TiC particle reinforced

SONG Sili，ZOU Zengda，WANG Xinhong，LI Qingming

School of Material Science and Engineering，Shandong University，Jinan 250061，China

Received:2006-02-17 Revised:1900-01-01 Online:2006-06-24 Published:2006-06-24
Contact: SONG Sili

摘要/Abstract

摘要： 在碳钢基体表面预涂一定混合比例的钛铁和石墨, 用钨极氩弧热源熔敷，使Ti元素和C元素在高温下原位反应，获得TiC颗粒增强的综合性能优异的铁基复合材料涂层；试验测试和分析表明，熔敷层中原位生成了TiC增强颗粒；熔敷层微观组织主要有珠光体、铁素体、马氏体、少量残余奥氏体、TiC颗粒等组成；涂层表面硬度达到了HRC55以上；越靠近熔覆层表面，硬度越高，具备良好的耐磨性能.

关键词: 钨极氩弧熔敷, 熔敷层(涂层), TiC颗粒, 微观组织, 宏观硬度

Abstract: The insitu TiC particle reinforced composites coating layer had been produced by prepared ilmenite and graphite powder on carbon steel through metallurgy interaction in tungsten arc welding. The result shows that the microstructure of coating layer includes pearlite, ferrite, martensite, residual austenitic and insitu TiC particles and the TiC particles dispersed in matrix compounds of martensite and residual austenitic. The composite coating layer has higher surface rigidity of exceed HRC 55 and better abrasion resistance property.

Key words: TiC particle, coating layer, microstructure, surface rigidity , tungsten arc welding

宋思利,邹增大,王新洪,李清明 . 钨极氩弧熔敷技术制备含TiC颗粒增强涂层的研究[J]. 山东大学学报(工学版), 2006, 36(3): 1-04 .

SONG Sili,ZOU Zengda,WANG Xinhong,LI Qingming . Study on the microstructures of insitu TiC particle reinforced[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2006, 36(3): 1-04 .

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钨极氩弧熔敷技术制备含TiC颗粒增强涂层的研究

Study on the microstructures of insitu TiC particle reinforced

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