Spherical foam growth in Al alloy melt

查看全文 作　　者：SHANG Jintang HE [1]Deping

机构地区：[1]Southeast University, Nanjing 210096, China Southeast University, Nanjing 210096, China

出　　处：《Science China Chemistry》索引2005年第48卷第3期,共8页

基　　金：the National Natural Science Foundation of China(Grant Nos.50471031,50231010,50081002&19982001);Foundation of Excellent Doctoral Dissertation of Southeast University(Grant No.YBJJ0409); National 973 Project. 摘　　要：Due to the demand of high-tech Al alloy foam with spherical pores, high strength and high energy-absorption capacity has become one of the research foci. The aim of this study is to ascertain the growth regularity of spherical foam in Al alloy melt. Three-dimensional packing model such as face-centered cubic is established to study the spherical foam growth. Theoretical results are compared with experimental ones, and the face-centered cubic model corresponds well with the experiment. It is reasonable to assume that the pores have the same radius, the total pore number keeps unchanged and spherical foam grows with face-centered cubic packing mode. This study presents a useful help to control the average pore radius and film thickness. 关键词：SPHERICAL foam growth, high strength, Al ALLOY foam.

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Spherical foam growth in Al alloy melt

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