Metallic cementation is the common use of the material surface modification 渗金属是材料表面改性的常用手段之一。
Standard specification for chromium diffusion coating applied by pack cementation process 用于固体渗金属处理的铬扩散镀层的标准规范
Abstract : in lost foam process , liquid metal crushing coating is the important cause of metal seeping defects 文摘:金属液压溃涂层是消失模铸造中渗金属缺陷形成的最重要原因。
The most effective solution is to increase the coating thickness or to use high strenteh coating at high tempreture 增厚涂层或使用高温强度高的涂料是防止渗金属的最有效方法。
Attentions have to be paid to coating ingredient , smearing , sand filling and compaction for metal seeping defect prevention 阐明了为防止渗金属缺陷,在涂料配制、涂挂、加砂紧实中应注意的问题和具体工艺。
The last , we have accomplished the last treatment to the parts , on account of the parts have excellent mechanical capability , it can satisfied the damand of metal molds 第三,完成了对激光烧结件的后处理(脱脂、高温烧结、渗金属) ,且零件具有良好的机械性能,基本满足工模具的使用要求。
The influence of the infiltration temperature , the infiltration atmosphere and different kinds of aluminum alloys are investigated . the researches indicate that during the pressureless infiltration process , the atmosphere and temperature are necessary conditions 对无压浸渗法制备b _ 4c al复合材料工艺过程中的温度、气氛、浸渗金属的研究表明:气氛、温度是无压浸渗发生的重要影响因素。