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ge zhong lv he jin zhu jian shang zhu zao que xian de han bu fa
Pages: 55
Year: Issue:  1
Journal: Aluminium Fabrication

Abstract: <正>欧洲专利RU2109611本专利提供如下牌号铝铸件上铸造缺陷的焊补方法,即Al2、Al4、Al4B、Al9、Al11、Al8、Al13、A123-1、A128等,一般都采用手工氩弧焊补的方法。焊补前铝铸件应预热,对于Al8、A113、A128、A123-1牌号铝铸件,预热到340℃~380℃;对于Al2、Al4、Al4B、Al9牌号,预热到250℃~300℃;对于Al11牌号,预热到280℃~300℃,而且,焊补时应采
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