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yong hong wai tan liu yi kuai su ce ding si3n4-sic zhi pin zhong sic liang
Author(s): 
Pages: 77-78
Year: Issue:  1
Journal: Refractories

Abstract: 氮化硅结合碳化硅(Si3N4-SiC)制品中SiC含量的测定目前普遍采用吸收重量法和高压溶样法.前者受氧气纯度、系统气密性以及碱石棉质量的影响较大,而后者步骤繁琐,检测耗时较长(约48 h),迫切需要一种简单、快速的检测方法.本方法使用红外碳硫仪快速(约12 h)检测氮化硅结合碳化硅制品中SiC含量,操作简便,结果准确.……
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