压铸铝铁合金的组织与性能  

Microstructure and Properties of Al-Fe Die Casting Alloy

作　　者：张士佼[1] 边秀房[1] 景元高 李贞宽[1] 王才东[1] 

机构地区：[1]山东大学材料液态结构及其遗传性教育部重点实验室 [2]章丘市鑫祥铝合金有限公司

出　　处：《特种铸造及有色合金》2007年第S1期207-210,共4页Special Casting & Nonferrous Alloys

基　　金：教育部博士点基金资助项目(20050422024)

摘　　要：采用高倍显微组织观察、力学性能测试等手段,讨论了铝铁系合金在压铸条件下的组织、性能,以及压铸过程中存在的问题。研究结果表明,压铸铝铁合金性能可达到σb=242.3MPa,δ=2.7%,显微组织中存在尺寸小的短棒状相,而且压铸试棒组织呈圆环带状分布。Microstructure and properties of Al-Fe alloy by die casting and the problem existed in-process were studied by observation of microstructure and testing of mechanical property.Maxi tensile strength of Al-Fe alloy σb is 242.3 MPa,and elongation δ is 2.7%.Intermetallic compound of small size present claviform,and distribute ring and banding in diecasting test bar.It indicates that Al-Fe diecasting alloy will be applicated in many fields and has good market foreground.

关 键 词：AL-FE合金 压力铸造 耐热合金 

分 类 号：TG136.1[一般工业技术—材料科学与工程]