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Zr-Cu合金在SiC陶瓷表面的润湿界面研究。

Study on the wetting interface of Zr-Cu alloys on the SiC ceramic surface.

作者信息

Zhou Bofang, Wang Jinfeng, Feng Keqin

机构信息

School of Materials Science and Engineering, Hubei University of Automotive Technology Shiyan Hubei 442002 P. R. China

School of Mechanical Engineering, Sichuan University Chengdu Sichuan 610065 P. R. China

出版信息

RSC Adv. 2020 Jan 21;10(6):3487-3492. doi: 10.1039/c9ra10723a. eCollection 2020 Jan 16.

DOI:10.1039/c9ra10723a
PMID:35497766
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9048603/
Abstract

A Zr-Cu alloy, as a new type of filler metal, is proposed for brazing SiC ceramic under special working conditions. The wetting angle of Zr-Cu alloy/SiC ceramic at different temperatures and holding times was investigated by a high-temperature wetting tester. The composition of the wetting interface was tested by XRD, and the interfacial reaction layer was analyzed with SEM and EDS. The results show that the wetting angle decreases sharply with the change in temperature from 1100 °C to 1175 °C and remains unchanged when the temperature is higher than 1175 °C, about 34 ± 1°. The dynamic wetting angle of Zr-Cu/SiC at 1200 °C with the increase in holding time conforms to the law of exponential decay, and the equilibrium wetting angle is 5°. The transition layer with a certain thickness is formed during the spreading process of the Zr-Cu alloy at a high temperature, and the microstructure of the interfacial reaction layer mainly consists of ZrC and ZrSi.

摘要

提出了一种Zr-Cu合金作为新型填充金属，用于特殊工况下SiC陶瓷的钎焊。采用高温润湿测试仪研究了Zr-Cu合金/SiC陶瓷在不同温度和保温时间下的润湿角。通过XRD测试润湿界面的成分，并用SEM和EDS分析界面反应层。结果表明，润湿角随温度从1100℃变化到1175℃急剧减小，当温度高于1175℃时保持不变，约为34±1°。1200℃时Zr-Cu/SiC的动态润湿角随保温时间增加符合指数衰减规律，平衡润湿角为5°。Zr-Cu合金在高温铺展过程中形成了一定厚度的过渡层，界面反应层的微观结构主要由ZrC和ZrSi组成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/80d391f3bb16/c9ra10723a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/7164343d61cf/c9ra10723a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/dee2f9927c8d/c9ra10723a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/647253ac6f77/c9ra10723a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/eef78370b31e/c9ra10723a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/34ceb34201d5/c9ra10723a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/80d391f3bb16/c9ra10723a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/7164343d61cf/c9ra10723a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/dee2f9927c8d/c9ra10723a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/647253ac6f77/c9ra10723a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/eef78370b31e/c9ra10723a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/34ceb34201d5/c9ra10723a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0877/9048603/80d391f3bb16/c9ra10723a-f6.jpg

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本文引用的文献

1
Zr-Cu alloy filler metal for brazing SiC ceramic.用于钎焊碳化硅陶瓷的锆铜合金填充金属。
RSC Adv. 2018 Jul 23;8(46):26251-26254. doi: 10.1039/c8ra05480k. eCollection 2018 Jul 19.
2
FEM Simulation and Verification of Brazing SiC Ceramic with Novel Zr-Cu Filler Metal.采用新型Zr-Cu钎料对SiC陶瓷进行钎焊的有限元模拟与验证
Materials (Basel). 2019 Oct 16;12(20):3380. doi: 10.3390/ma12203380.
3
Intestine Transplantation Across a Positive Crossmatch With Preformed Donor-Specific Antibodies.携带预先形成的供体特异性抗体的阳性交叉配型情况下的肠道移植
Transplant Proc. 2016 Mar;48(2):489-91. doi: 10.1016/j.transproceed.2015.10.084.