Ni含量和钎焊温度对ZrB2-SiC自连接的影响

Liu Jiayin, Jie Zhang, Chunfeng Liu, Tianpeng Wang
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引用次数: 0

摘要

采用Pd-Co-Ni填充合金钎焊ZrB2-SiC。获得了可靠的ZrB2-SiC接头。采用扫描电镜和四点弯曲法研究了Ni含量和钎焊温度对ZrB2-SiC接头组织和性能的影响。所有接头均由ZrB2-SiC陶瓷扩散区、Pd-Si相、Co-Si相和Ni-Co固溶体组成。在钎焊过程中,Ni和Co可以相互溶入,对陶瓷中的SiC与钎焊合金中的Co的反应有一定的控制,有利于提高接头强度。
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Effect of Ni content and brazing temperature on the self-joining of ZrB2-SiC
Pd-Co-Ni filler alloy was adopted to braze ZrB2-SiC to itself. The reliable ZrB2-SiC joints were obtained. The effects of Ni content and brazing temperature were investigated on the microstructure and properties of the ZrB2-SiC joints using SEM and four-point bending method. All the joints consist of diffusion zone in ZrB2-SiC ceramic, Pd-Si phase, Co-Si phase, and Ni-Co solid solution. During the brazing, Ni and Co can solute into each other, a certain control over the reaction between SiC from the ceramic and Co from the brazing alloy was obtained, which was beneficial for the joint strength.
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来源期刊
CiteScore
1.20
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0.00%
发文量
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期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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