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  您当前位置  》  OPE体育  》  OPE体育  》上海开维喜阀门技术讲解之阀门常见的喷焊缺陷

喷焊层剥落



喷焊层剥落现象多数是机械加工过程中发现。主要原因是涂层重熔操作速度过快,基体表面并未加热到熔化或半熔化状态,喷焊层与工件表面不能形成冶金结合,而是分子间的粘附连接。


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喷焊层裂纹



常见的喷焊层断裂和龟裂大部分发生在冷却过程中,也有发生在使用过程中。裂纹很少向母材扩展。


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喷焊层气孔



GONGJIANBIAOMIANYOUYANGHUAMO、TIEXIU、YOUWUHUOPENTUSHIGONGJIANBIAOMIANHEHEJINFENMOSHOUDAOYANGHUADENGDOUHUISHIPENHANCENGCHANSHENGQIKONG。SUOYIGONGJIANDAIHANBIAOMIANXUBAOCHIGANJING,PENTUSHIYAOYANGEZHANGWOHAOHUOYANDEXINGZHI。


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PENTUCENGZHONGRONGGUOJIHUOHUOYANZHOURANJIEJINTUCENGBIAOMIAN,SHITUCENGNEIQITILAIBUJIYICHUSHIYEHUIXINGCHENGQIKONG。


夹渣



JIAZHADECHANSHENGYUZHONGRONGCAOZUOYOUGUAN。ZHONGRONGSHIHUOYANYIDONGSUDUGUOKUAI,RONGZHAWEIWANQUANFUCHU,ERRONGCHIYININGGUXINGCHENGJIAZHA。


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