钛合金双层辉光放电离子无氢渗碳制备工艺研究  

The preparation processing parameter study of the double glow discharge plasma hydrogen-free carburizing on titanium alloy surface

作　　者：张高会[1] 张平则[2] 葛洪良[1] 崔玉建[1] 姜纬棣[1] 徐重[3] 

机构地区：[1]中国计量学院,浙江杭州310018 [2]南京航空航天大学,江苏南京210014 [3]太原理工大学表面工程研究所,山西太原030024

出　　处：《材料热处理学报》2007年第B08期110-114,共5页Transactions of Materials and Heat Treatment

基　　金：浙江省科技厅重点项目(2007C21139)

摘　　要：采用双层辉光离子无氢渗碳的方法对钛合金进行表面强化处理,提高了钛合金的表面强度,改善了其耐磨性;同时避免了氢脆的产生。研究表明钛合金Ti6Al4V双辉离子无氢渗碳合理的工艺参数为:温度880℃～980℃;气压28～40Pa;工件与源极之间距离6～14mm;源极电压600V～800V;阴极电压260V～400V;保温时间2～5h。处理后在钛合金表面形成了高硬改性层,耐磨擦性显著提高。Using the double glow plasma hydrogen-free carburizing method carry through surface strengthen to enhance titanium alloy surface intension, Can avoid brittleness. In this paper, The result indicate that it is reasonable processing parameters of temperature is 880 ℃~980 ℃, source electrode voltage is 600V^800V, cathode voltage is 260V^400V, job air pressure about 28~40Pa, heat preservation time is about 2--5h, distance of between source electrode and cathode is about 6~ 14mmo The highly hardness modified layer have been formed on sample surface after deal with, The wear resist was evidently increased.

关 键 词：双层辉光 无氢渗碳 钛合金 工艺参数 

分 类 号：TG115.221.5[金属学及工艺—物理冶金]