کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6745550 | 504973 | 2015 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Microstructure analysis of graphite/Cu joints brazed with (Cu-50TiH2)Â +Â B composite filler
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Microstructure analysis of graphite/Cu joints brazed with (Cu-50TiH2)Â +Â B composite filler Microstructure analysis of graphite/Cu joints brazed with (Cu-50TiH2)Â +Â B composite filler](/preview/png/6745550.png)
چکیده انگلیسی
Joining of carbon materials to copper will benefit the fabrication of plasma facing components for fusion applications. Graphite/Cu joints have been prepared by brazing with (Cu-50TiH2)Â +Â B composite filler in a vacuum. The effect of boron content in the composite filler on the mechanical property and microstructure of brazed graphite/Cu joints has been investigated. The average shear strength of joints increases with boron content raising from 0 to 15Â vol%. The maximum average shear strength of 19.8Â MPa was obtained with boron content of 15Â vol%. Then, the strength of joints decreases with boron content higher than 15Â vol%. The microstructure analysis of joints brazed with (Cu-50TiH2)Â +Â 15Â vol% B filler indicates that TiB whiskers have been in situ synthesized in the filler layer. The filler layer is mainly composed of Cu based solid solution and Ti-Cu intermetallic compounds with TiB whiskers distributed inside. The distribution of TiB whiskers in the filler layer could serve as reinforcements, contributing to the improvement of graphite/Cu joints.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fusion Engineering and Design - Volume 100, November 2015, Pages 152-158
Journal: Fusion Engineering and Design - Volume 100, November 2015, Pages 152-158
نویسندگان
Yangwu Mao, Si Yu, Yizhong Zhang, Beibei Guo, Zhibin Ma, Quanrong Deng,