Preparation Technology of Large-Sized Tungsten Heavy Alloy

被引：0
|
作者：
Zhou, Wuping [1 ]
Wang, Ling [2 ]
Qin, Yingnan [1 ]
Xiong, Ning [1 ]
Liu, Guirong [2 ]
Liu, Guohui [2 ]
机构：
[1] Advanced Technology & Materials Co., Ltd, Beijing,100081, China
[2] ATTL Advanced Materials Co., Ltd, Beijing,100094, China
来源：
Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2020年 / 49卷 / 11期
关键词：
Metallography - Tungsten alloys - Tensile strength - Sintering;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The study focuses on preparation technology of tungsten based heavy alloy (WHA). Trace element was added into traditional raw material, and composition exploration of large-scaled WHA product was carried out. Large-sized 93WNiFe was prepared by multi-step sintering. Supervisor control on product size in sintering process and sampling for mechanical performance analysis were also performed. Internal structure evolution law was investigated during the sintering process. The final part is 4 t in weight, with maximum diameter of 700 mm and maximum height of 1400 mm. The tensile strength of each part from the products is greater than 920 MPa, and elongation is more than 20%. © 2020, Science Press. All right reserved.
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页码：3957 / 3961
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