| 不同复合形式对AlSi／BN粉末及其涂层组织性能的影响 |
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| 引用本文： | 张曙光,于月光,章德铭,刘建明.不同复合形式对AlSi／BN粉末及其涂层组织性能的影响[J].热喷涂技术,2012,4(4):27-30. |
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| 作者姓名： | 张曙光 于月光 章德铭 刘建明 |
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| 作者单位： | 北京矿冶研究总院,北京100160 北矿新材科技有限公司,北京102206 北京市工业部件表面强化与修复工程技术研究中心,北京100160 |
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| 摘 要： | 本文通过对两种组元的粒度设计，制备出BN与AlSii团聚、BN包裹AlSi、AlSi包裹BN三种形态的AlSi／BN复合粉末，通过大气等离子喷涂制备AlSi／BN可磨耗封严涂层，对粉末及涂层组织性能的研究结果表明，BN与AlSi团聚复合粉末涂层的BN含量最高，热稳定性最好。AlSi包裹BN复合粉末形成的涂层具有最高的硬度，其BN的损失特性为烧损和冲击型损失。
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| 关 键 词： | AlSi/BN复合粉末 封严涂层 组织性能 热喷涂 |
Effect of Particle Morphology on Microstructure and Properties of AlSi/BN Coating |
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| ZHANG Shu-guang,YU Yue-guang,ZHANG De-ming,LIU Jian-ming.Effect of Particle Morphology on Microstructure and Properties of AlSi/BN Coating[J].Thermal Spray Technology,2012,4(4):27-30. |
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| Authors: | ZHANG Shu-guang YU Yue-guang ZHANG De-ming LIU Jian-ming |
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| Affiliation: | 1.Beijing General Research Institute of Mining and Metallurgy, Beijing 100160, China; 2.BGRIMM Advanced Materials Science and Technology Co Ltd, 102206, China; 3.Beijing industrial parts surface strengthening and repairing engineering technology research center, Beijing 100160, China) |
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| Abstract: | Three different types ofAlSi/BN composite powders were prepared by particle size designing method, which were AlSi/BN agglomeration powder, BN coated A1Si powder and A1Si coated BN powder respectively. AlSi/BN coatings were sprayed onto stainless steel substrate by air plasma thermal spraying. Research on the powders and coatings show that the coating prepared by AlSi/BN agglomeration powder possesses the highest BN content and the best high temperature thermal stability, while the coating made fromAlSi coated BN composite powder possesses the highest hardness. The BN in this coating mainly lost by burning and impacting. |
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| Keywords: | AlSi/BN composite powder Abradable coating Microstructure and properties Thermal spraying |
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