SPS sintering connection based on the preparation of tungsten-molybdenum composite target

被引：0
|
作者：
Huang Hao [1 ]
Zhao Jingjing [1 ]
Han Cuiliu [1 ]
Yang Xinyu [1 ]
Pan Yafei [1 ]
Zhang Jiuxing [1 ]
机构：
[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China
来源：
CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING | 2020年 / 48卷 / 03期
关键词：
SPS; Tungsten; TZM alloy; sintering; target; diffusion bonding; MICROSTRUCTURE;
D O I：
10.11868/j.issn.1001-4381.2018.000957
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spark plasma sintering (SPS) is used to prepare tungsten (W) and titanium zirconium molybdenum (TZM) connectors. High-density pure W block is sintered by high-energy ball milling and temperature adjustment, with a relative density of over 97.0%. TZM alloy powder is laid on the surface of the prepared pure W block, and the W and TZM are connected while sintering the TZM, which realizes the one-step sintering connection of the dissimilar metal block and the powder. The effects of sintering temperature and cooling rate on the microstructure and mechanical properties of W/TZM alloy joints are studied. The results show that: W and TZM combine well. When the sintering temperature is in the range of 1400 similar to 1600 degrees C, the shear strength of the W/TZM joint increases with the increase of the sintering temperature; at the same sintering temperature, the rapid cooling method is adopted. The shear strength of the joint is higher than that of the slow cooling joint; when the sintering temperature is 1600 degrees C and rapid cooling is adopted, the shear strength of the W/TZM joint reaches the maximum, which is 159.7 MPa.
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页码：84 / 91
页数：13
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