粉末烧结法制备多孔Ti-6Al-7Nb合金的工艺优化

doi:10.13228/j.boyuan.issn1006-6543.20150084

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Abstract Porous Ti-6Al-7Nb alloy was prepared with powder sintering method by taking Ti， Al， and Nb powders as raw material. Effect of mixing time， pressing pressure， sintering temperature and sintering time on porosity was studied through orthogonal experiments. Results show that the sequence of the influence importance of four factors is sintering temperature， sintering time， pressing pressure and mixing time. Considering porosity and pore distribution of materials for orthopedic implantation， the optimal process parameters are set as mixing time of 4 h， pressing pressure of 100 MPa， sintering temperature of 1 100 ℃ and sintering time of 2.5 h. Porosity of porous Ti-6Al-7Nb alloy prepared with the optimal process parameters is 32% and pore size are mainly of 5-12 μm.

Key words： powder sintering porous Ti-6Al-7Nb orthogonal experiment

Received: 08 October 2015 Published: 18 October 2016

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	Articles by authors
	YANG Hai-Li
	LIU Hai-Peng
	TANG Guo-Zhang
	ZHANG Zhi-Tong
	MENG Qing-Bo

Cite this article:

YANG Hai-Li,LIU Hai-Peng,TANG Guo-Zhang, et al. Process optimization for porous Ti-6Al-7Nb alloy prepared by powder sintering[J]. , 2016, 26(05): 16-20.

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http://edit.chinamet.cn/Jweb_fmyjgy/EN/10.13228/j.boyuan.issn1006-6543.20150084 OR http://edit.chinamet.cn/Jweb_fmyjgy/EN/Y2016/V26/I05/16