

CXT拉丝模芯(耐温1000℃)产品描述 :
CXT是我公司生产的一种高耐磨耐高温聚晶,目前主要大量出口欧美国家。CXT模芯主要用于热拉钨丝、钼丝等,光洁度和拉丝寿命均远不如CVD金刚石,但远远超过国产普通聚晶,而其价格则低于CXDD模芯,故在热拉钨钼丝行业必可得到很好的推广。
相对于CXD模芯来说,CVDD和CXT模芯的耐温性高300℃以上,但抗断裂韧性较差,故其镶嵌结构要求更合理,镶套粉料要厚,模芯应在粉料的中心而不是底部,镶套粉料应选硬度较高的,应适当提高镶套温度、延长镶套时间以使粉料合金化更充分,从而达到更好的包裹和紧固效果。
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