六氯乙烷预处理对超声波处理铸锭内气孔的影响  

Effect of Hexachloroethane Pretreatment on Porosity Formation of Ultrasonically Treated Ingots

作　　者：李军文[1,2] 曹力生 贾征[1] 桃野正[2] 

机构地区：[1]辽宁工业大学材料与化学工程学院,辽宁锦州121001 [2]国立室兰工业大学,日本北海道室兰市050-8585 [3]锦州师范专科学校物理系,辽宁锦州121000

出　　处：《有色金属》2009年第1期37-40,共4页Nonferrous Metals

基　　金：教育部留学回国人员科研启动基金资助项目;辽宁省自然科学基金资助项目(20082177);辽宁省教育厅科研基金资助项目(2005L186);日本文部省国立大学研究活性化支援经费资助项目

摘　　要：研究六氯乙烷脱气剂对超声波处理铸锭内气孔的影响。结果表明,超声波处理的初期,添加六氯乙烷脱气剂的金属熔体,超声脱气效果明显,随后与未添加六氯乙烷脱气剂的情况相比差异逐渐缩小,接近凝固时两者均会导致铸锭内气孔的增加。添加脱气剂有助于改善后续的超声波除气效果。The effect of hexachloroethane degasser pretreatment on porosity formation in ultrasonic ingot is investigated. The results indicate that the degassing effect is obviously improved in incipient stage of ultrasonic treatment for pretreatment using hexachloroethane （C2Cl6） degasser. The difference of degassing effect between the specimens with and without hexachloroethane degasser pretreatment is gradually decreased with the increase of the ultrasonic treatment time. The porosity in both specimens with ultrasonic degassing is increased in final stage of solidification. The degasser appending makes an important contribution to the efficiency of ultrasonic degassing.

关 键 词：金属材料 铝合金 超声波 六氯乙烷脱气剂 气孔 铸锭 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TB559[金属学及工艺—金属材料]