%0 Journal Article %T SiCp/Al Composites Fabricated by Modified Squeeze Casting Technique %A Shoujiang QU %A Lin GENG %A Jiecai HAN %A
Shoujiang %A QU %A Lin %A GENG %A Jiecai %A HAN %J 材料科学技术学报 %D 2007 %I %X A cost effective method was introduced to fabricate pure aluminum matrix composites reinforced with 20% volume fraction of 3.5 μm SiC particles by squeeze casting followed by hot extrusion. In order to lower volume fraction of the composites, a mixed preform containing pure aluminum powder and the SiC particles was used. The suitable processing parameters for the infiltration of pure aluminum melt into the mixed preform are: melt temperature 800℃, infiltration pressure 5 MPa, and solidification pressure 50 MPa. Microstructure and properties of the composites in both as-cast and hot extruded states were investigated. The results indicate that hot extrusion can obviously improve the mechanical properties of the composite. %K Aluminum %K Particulate reinforced composites %K Casting %K Liquid infiltration
铸造技术 %K 液体渗透 %K 铝元素 %K 微粒 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=84529CA2B2E519AC&jid=324DC3CAB22330DB19158AE0A9B7BFA5&aid=F1839B40C8AE1F6748560A0CAD978ABA&yid=A732AF04DDA03BB3&vid=EA389574707BDED3&iid=94C357A881DFC066&sid=9A596D09E9486F3E&eid=0636354D8CF77519&journal_id=1005-0302&journal_name=材料科学技术学报&referenced_num=0&reference_num=17