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| Study on related parameters of powder metallurgy aluminum foam |
| WANG Zhan-guang， PENG Kai-qi， WANG Yang |
| （School of Civil Engineering， Kaili University， Kaili 556011， China |
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Abstract Based on the preparation of foamed aluminum by powder metallurgy foaming method， the influence of related parameters on the preparation of foamed aluminum was studied. The results show that， the decomposition peak temperature of TiH2 is 640 ℃， which is close to the melting point of Al. The gas volume of TiH2 decomposition is 30 times higher than that of CaCO3 with same quality. TiH2 is the better foaming agent for fabricating Al foam. The proper foaming temperature for pure Al is 700-750 ℃， and the proper foaming time is 900 s. When the mass fraction of the oxide film is about 9.8%， the porosity reaches the maximum value of 77%， and the pore size is the most uneven when the oxide film mass fraction is 8.2%.
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Received: 09 November 2015
Published: 18 October 2016
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| [1]Nathan Wicks，John W.HutchinsonOptimal truss plates[J].International Journal of Solids and Structures, 2001, 38(30):5165-5183
[2]Chiras，D.R.Mumm，AGEvans，etcThe structural performance of near-optimized truss core panels[J].International Journal of Solids and Structures, 2002, 39(15):4093-4115
[3]胡中芸，杨东辉，李军等.泡沫镁的制备及其性能和应用[J].材料导报, 2014, 28(1):79-85
[4]张铭君，刘培生.泡沫钛的制备和性能研究进展[J].金属功能材料, 2014, 21(4):47-56
[5]胡晓舟.发泡剂及工艺参数对泡沫钢孔隙率的影响[D]. 昆明：昆明理工大学，2007.
[6]宋滨娜，祖国胤，姚广春，关志昊.包套轧制粉末冶金法制备泡沫铝三明治板[J].东北大学学报, 2011, 1(2):277-280
[7]刘斌.泡沫铝粉末冶金法制备工艺改进及其孔结构控制研究[D]. 南京：东南大学材料系，2005.
[8]魏鹏，郑兆明，柳林.粉末冶金法制备泡沫的工艺研究[J].粉末冶金技术, 2014, 23(6):445-448
[9]XUE Xiao-bing, WANG Li-qiang, etc．.Manufacturing compressive behaviour and elastic modulus of Ti matrix syntactic foam fabricated by powder metallurgy [J]．[J].Trans Nonferrous Met. Soc. China, 2012, 22(1):188-192
[10]LI Ai-bin, XU Hong-yu, etc．.Preparation and characterization of SiCp/2024Al composite foams by powder metallurgy[J]． [J].TransNonferrous Met. Soc. China, 2012, 22(1):33-38
[11]赵艳君，胡治流，庞兴志.以为发泡剂制备泡沫铝的研究现状[J].热加工工艺, 2010, 39(8):18-22
[12]陈伟萍，杨东辉，胡中芸等.用于制备泡沫金属的发泡剂的种类及特性[J].材料导报, 2015, 29(4):77-82
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2016, Vol. 26 
