在石墨坩埚制造工程中，会因一些问题招致呈现一些缺陷，比方有裂纹，今天辉县市金镶玉石墨模具制品山东彩票的小编给大家剖析一下纵向裂纹是怎样呈现的。要分几种状况来思索。

1、由石墨坩埚*部边沿延伸的纵向裂纹。

山东彩票(YUANYOUPOUXI：DUIGANGUOTINGZHIGUOKUAIDEJIARESUOXINGCHENG，TEBIESHIDANGGANGUODIBUHEXIAYANSHOURESUDUYUANYUANKUAIYU*BUDESHIFEN。ZAIGANGUO*BUBIANYUANDEXIERUCAOZUOYERONGYIXINGCHENGGAISUNHUAI。BUHESHIDEGANGUOHUOZHEDUISHANGYANDEQIAOJIYEHUIXINGCHENGGANGUO*BUBIANYUANDEYINGSHANGHEMINGXIANDESUNHUAI。)

2、GANGUOZAIZHANGSHIJIANYUNYONGHOU，GANGUOBICHENGXIANZONGXIANGLIEWEN，BINGQIELIEWENCHUDEGANGUOBIJIAOBO。

(YUANYOUPOUXI：GANGUOXINGJIANGHUOCENGJINGDAODAYUNYONGSHOUMING，GANGUOBIHUIBIANBO，JIESHOUBULEGUODADEWAILI。)

山东彩票3、GANGUOCEMIANDEZONGXIANGLIEWEN(LIEWENMEIYOUYANSHENDAOGANGUO*BUHUODIBU)。

(YUANYOUPOUXI：TONGCHANGYOUNEIBUYALISUOXINGCHENG。RU：JIANGLENGQUEDEXIEXINGZHULIAOHENGXIANGFANGRUGANGUOZHONG，DANGXIEXINGZHULIAOZAISHOURESHOUSUOHOUJIUHUIXINGCHENGGAIZHONGSUNHUAI。)

4、CHUCIYUNYONG(HUOJIEJINQUANXIN)DEGANGUOZAIXIAYANCHENGXIANLIEWENBINGGUANCHUANGANGUODIBU。

(YUANYOUPOUXI：JIANGLENGQUEDEGANGUOFANGRUGAOWENDEREHUOZHONG，HUODANGGANGUOZAILENGQUEZHUANGTAIXIA，DUIGANGUODIBUTINGZHIGUOKUAIJIARE。GAISUNHUAIZHUANGKUANGPUTONGHAIHUISUITONGYOUMIANBOLUODEXIANXIANG。)