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关于铝合金的变质 ,主要介绍了三大类变质中的两类 ,第一类变质介绍了AlTiB的变质效果与其熔制方法有关 ;第二类变质介绍了锶的多种加入方法及变质效果。炉料处理部分涉及了炉料的遗传性及熔体的除铁处理
About the metamorphism of aluminum alloys, two types of metamorphism are introduced. The first type of metamorphism introduces that the metamorphism of AlTiB is related to its melting method. The second type of metamorphism introduces a variety of adding methods and metamorphic effects of strontium. Burden processing part involves the heredity of charge and melt iron removal treatment