喷丸处理对IC6合金制导向叶片NiCoCrAlY涂层 使用性能的影响

李树索; 周春根; 宫声凯; 宋尽霞; 韩雅芳

喷丸处理对IC6合金制导向叶片NiCoCrAlY涂层使用性能的影响

1.
北京航空航天大学材料科学与工程学院北京 100083
2. 北京材料科学研究院, 北京 100095

基金项目: 国家部委基金资助项目(Z0500E003)

详细信息

作者简介:
李树索 (1969-),男,山东莘县人,副教授, lishs@buaa.edu.cn.

中图分类号: TG 17444
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- 被引次数: 0
出版历程
- 收稿日期: 2004-04-28
- 网络出版日期: 2004-10-31

Effect of ball blasting on the service properties of NiCoCrAlY coating of the alloy IC6 vane

1.
School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
2. Beijing Institute of Aeronautical Materials, Beijing 100095, China

摘要

摘要: 采用离子电弧镀的方法在IC6合金制导向叶片上涂覆了NiCoCrAlY包覆涂层,为了进一步改善叶片表面的粗糙度,进行了喷丸处理.结果表明,喷丸处理使叶片表面的粗糙度得到明显改善,其平均值从未处理前的2.04μm提高到处理后的1.02μm.经过22循环热震试验后,喷丸处理和未喷丸处理叶片的涂层与基体的结合均十分完好,喷丸处理可进一步提高涂层的抗氧化性能.
- 喷丸 /
- 粗糙度 /
- 涂层 /
- 热震
Abstract: NiCoCrAlY overlay coating was deposited on the vane made of alloy IC6 by arc physics vapour deposit(PVD). In order to improve the surface roughness of the vane, a ball blasting treatment was operated. It shows that the surface roughness obviously got improved, the original average value of the roughness is 2.04 μm, but the value is only 1.02 μm after treatment. After 22 cycles in the thermal shock experiment, the bonding between coating and matrix is still fine in spite of ball blasting treatment or not, but the treatment can furtherly improve the oxidation resistance.
- shot blasting /
- roughness /
- coating /
- thermal shock

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参考文献(1)

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