添加升华性造孔剂的放电等离子法制备多孔铝块体材料

doi:10.13228/j.boyuan.issn1006-6543.20150046

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Abstract To solve the pollution problem of porous metal material with high porosity during the preparation process， the sublimate naphthalene particles were used as pore-forming agent， the porous aluminum bulk materials were prepared using spark plasma sintering (SPS). The results show that， porous aluminum bulk materials with high porosity are achieved； as well the cleanliness is improved by using sublimate pore-forming agent. When sintered at 350 ℃， the porous aluminum bulk materials have good structure and size controllability， good open hole effect， high porosity (63.33%)， and the powder particles have no obvious growth. Sublimation pore-forming agent can adjust the pore volume effectively， realize a reasonable mix of large holes and small holes in porous aluminum materials， further improve the connectivity between the pores. Combined with SPS technology， the method has a technical advantage for the preparation of porous metal material which has higher requires for open holes and particle connectivity.

Key words： Spark plasma sintering Sublimate material Pore-forming agent Porous aluminum bulk Porosity

Received: 02 June 2015 Published: 20 April 2016

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	Articles by authors
	FENG Wei
	KONG Qing-Quan
	ZHU Xiao-Dong
	SUN Yan

Cite this article:

FENG Wei,KONG Qing-Quan,ZHU Xiao-Dong, et al. Preparation of porous aluminum bulk material by SPS with sublimate material as pore-forming agent[J]. , 2016, 26(02): 38-43.

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http://edit.chinamet.cn/Jweb_fmyjgy/EN/10.13228/j.boyuan.issn1006-6543.20150046 OR http://edit.chinamet.cn/Jweb_fmyjgy/EN/Y2016/V26/I02/38

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