| 金属陶瓷倾斜涂层的热障作用 |
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| 引用本文： | 张亚平,盛世雄.金属陶瓷倾斜涂层的热障作用[J].重庆大学学报(自然科学版),1993,16(3):76-79. |
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| 作者姓名： | 张亚平 盛世雄 |
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| 作者单位： | 重庆大学
(张亚平，高家诚)，攀枝花钢铁公司
(盛世雄，谢龙淮)，攀枝花钢铁公司(王学军) |
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| 摘 要： | 研究了在大气下用氧—乙炔火焰法实现的Al_2O_3基金属陶瓷倾斜涂层的附着性及其热障作用。结果表明,Cu、Ni/Al金属的加入及梯度成分设计,改善了涂层与基体之间的物理相容性和化学相容性,使热应力、界面应力弛豫,附着性明显提高。同时,该梯度涂层具有良好的抗热震、抗热冲蚀及抗高温铁水烧蚀等性能,热障作用显著。
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| 关 键 词： | 金属陶瓷 倾斜涂层 热障 |
Thermal Barrier Properties of Gradient Coating on a Ceramic Metal |
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| Zhang Yaping Gao JiachengSheng Shixiong Xie Longhuai Wang Xuejun.Thermal Barrier Properties of Gradient Coating on a Ceramic Metal[J].Journal of Chongqing University(Natural Science Edition),1993,16(3):76-79. |
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| Authors: | Zhang Yaping Gao JiachengSheng Shixiong Xie Longhuai Wang Xuejun |
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| Affiliation: | Zhang Yaping Gao Jiacheng
Sheng Shixiong Xie Longhuai Wang Xuejun |
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| Abstract: | In this paper,the adherence and thermal barrier properties of A12O3-based ceramic metal gradient coating with the method of oxyacetylene-flam-spray are studied. The results show that the physical and chemical compatibilities between the coating and the substrate are improved by adding Cu,Ni/Al and the gradient coating,and to relax thermal stress and interface stress in coat and at the same time to increase adherence property of coating. Besides,the gradient coating has good spalling resistance,erosion resistance to high temperature liquid iron and the effect of thermal barrier properties is remarkable. |
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| Keywords: | metalceramics gradient coating adherence thermal barrier |
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