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Shi W.,University of Electronic Science and Technology of China | Shi W.,China Zhenhua Electronics Group | Yang B.,University of Electronic Science and Technology of China | Zhang X.,China Zhenhua Electronics Group | And 3 more authors.
Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | Year: 2015

Porous tantalum materials were prepared by a vacuum sintering technique using fine tantalum powder (< 0.45 μm) as the starting raw material. Effects of sintering time (10, 20, 30, 40 and 50 min) at 1250℃ on the micro-structures and the porous characteristics of the porous tantalum were investigated. The results show that the porous tantalum materials have the porosity of about 50% with pore size distribution of 0.08 cm3/g

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