| Ni含量对Fe－Cr－Ni合金激光熔覆层性能及开裂敏感性的影响 |
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| 引用本文： | 宋武林,朱蓓蒂,曾晓雁,崔昆.Ni含量对Fe－Cr－Ni合金激光熔覆层性能及开裂敏感性的影响[J].材料热处理学报,1996(1). |
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| 作者姓名： | 宋武林 朱蓓蒂 曾晓雁 崔昆 |
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| 作者单位： | 华中理工大学 |
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| 摘 要： | Ｎｉ含量对Ｆｅ－Ｃｒ－Ｎｉ合金激光熔覆层性能及开裂敏感性的影响宋武林，朱蓓蒂，曾晓雁，崔昆（华中理工大学）金属涂层开裂是激光熔覆工艺中一个难题。发生开裂的主要原因是涂层形成过程中产生的各种应力，其中包括热应力、组织应力和拘束应力。这些应力的大小多与涂...
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The Effect of Ni Content on Physical Properties and Cracking Susceptibility of Laser Cladding Fe-Cr-Ni Coatings |
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| Song Wulin, Zhu Beidi,Zeng Xiaoyan, Cui Kun.The Effect of Ni Content on Physical Properties and Cracking Susceptibility of Laser Cladding Fe-Cr-Ni Coatings[J].Transactions of Materials and Heat Treatment,1996(1). |
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| Authors: | Song Wulin Zhu Beidi Zeng Xiaoyan Cui Kun |
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| Affiliation: | Huazhong University of Sience and Technology |
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| Abstract: | An investigation is reported of the laser surface cladding with selt-fluxing alloy of Fe-Cr-Ni system on a medium-carbon steel substrate, using a preplace powder method. The effect on cracking susceptibility and physical propertis of laser cladding layer has been studied in relation to its Ni content. With the increment of Ni content, thermal expansion coefficient, melting temperature range of clad layer and its wettability to substrate have heen changed, and the cracking susceptibility of clad layer has been decreased obviously. The effect of physical propertis on cracking susceptibility of clad laver has been discussed. |
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| Keywords: | laser cladding cracking susceptibility physical propertes |
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