防锈闭孔泡沫Al-Mg-Re基合金的制备与性能  

Fabrication of anticorrosive closed-cell Al-Mg-Re foam and its properties

作　　者：张勇明[1,2] 褚旭明[1] 王辉 何思渊[1] 何德坪[1] 

机构地区：[1]东南大学材料科学与工程学院江苏省先进金属材料高技术研究重点实验室,江苏南京210096 [2]徐州空军学院,江苏徐州221002

出　　处：《功能材料》2009年第8期1368-1371,共4页Journal of Functional Materials

基　　金：国家重点基础研究发展计划(973计划)资助项目(2006CB601201);国家自然科学基金重点资助项目(50231020);国家自然科学基金面上资助项目(50471031)

摘　　要：在熔体发泡法制备工艺基础上,引入合金化阻燃技术,制备了Al-Mg-Re基防锈闭孔泡沫铝合金。实验结果表明,熔体发泡前同时加入Mg、Ca和稀土制备的防锈闭孔泡沫Al-Mg-Re基合金孔结构均匀;由于Mg和稀土元素的双重作用,Al-Mg-Re基防锈闭孔泡沫铝合金具有优异的耐腐蚀性能。Anticorrosive closed-cell Al-Mg-Re foam was fabricated by introducing alloying ignition-proof method on the base of melt foaming. The results show that in order to get Al-Mg-Re alloy foam with good pore structures,Ca,Mg and rare earths should be added together into the pure Al melt before foaming process;the viscosity of Al-Mg-Re melt increased for the addition of Mg;the corrosion resistance properties of antieorrosive closedcell Al-Mg-Re foam is better than those of Al foam and Al-Cu foams under the action of Mg and rare earths,and the strength of it.

关 键 词：泡沫金属 泡沫铝合金 腐蚀性能 

分 类 号：TG146.2[一般工业技术—材料科学与工程]