8SERHAT KAYA M S.Improving the formability limits of lightweight metalally sheet using advanced process finite element modeling and experimental validation dis- sertation[D].USA:The Ohio State University,2008:25-35.
9FENG GONG,BIN GUO,CHUN JU WANG,et al.Ef- fects of lubrication conditions on micro deep drawing [J].Microsyst Technol,2010,16:1741-1747.
