铸造2011，Vol.60Issue(3)：259-264,6.
镁合金熔炼保护气体研究现状与展望
Present Status and Prospect on Protective Gas Used in Melting of Magnesium Alloy
摘要
Abstract
Necessity and advantages of gas protection method during melting of magnesium alloy are presented. Application method, protecting effects, mechanism of protection and limitations of several kinds of traditional protective gases are reviewed, such as inert gases N2, CO2, SO2, BF3 and SF6. According to the fact that the most popular used gas SF6 is being forbidden due to its high greenhouse effect, several potential kinds of fluorine-containing protective gases ( HFC-134a,HFE7100, HFE7200 and Novec 612TM) are introduced. Present status and application prospect of these gases are discussed. It is pointed out that finding new kinds of gas to replace SF6 is a very pressing and important task. A reasonable research method is put forward and its development tendency in the future is discussed. The conception includes mixing production, calculous-reaction,and pulse huffing.关键词
镁合金/气体保护/SF6替代气体分类
矿业与冶金引用本文复制引用
庞松,吴国华,孙明,戴吉春,张扬,丁文江..镁合金熔炼保护气体研究现状与展望[J].铸造,2011,60(3):259-264,6.基金项目
国家重点基础研究发展计划(973计划)(2007CB613701) （973计划）
国家863计划(2009AA033501) （2009AA033501）
中国航天科技集团公司航天科技创新基金(0502). （0502）
