变形铝合金疏松的组织特征及其对性能的影响  

The Structural Characteristics of Porosity of the Wrought Aluminium Alloy and Its Impact on the Mechanical Properties

作　　者：汪德涛[1] 

机构地区：[1]东北轻合金有限责任公司,黑龙江哈尔滨150060

出　　处：《轻合金加工技术》2000年第4期9-11,共3页Light Alloy Fabrication Technology

摘　　要：介绍了变形铝合金中疏松的宏观、微观及断口组织特征，疏松的种类及产生原因，疏松对铸键和变形制品工艺性能和力学性能的影响。The macro and micro structural characteristics of porosity and the fracture surface of aluminium alloy, are introduced. The kinds of porosity, causes and the impact on the technological and mechanical properties of ingot and wrought alloy products caused by porosity are discussed.

关 键 词：疏松 枝晶 结晶区间 变形铝合金 组织特征 性能 

分 类 号：TG146.2[一般工业技术—材料科学与工程]