工程陶瓷及特种石墨在热熔器结构设计中的应用  

The application of engineering ceramics and special graphite in construction design of subterrene drills

作　　者：陈晨[1] 张祖培[2] 卢文阁[2] 贾栋[2] 

机构地区：[1]哈尔滨工业大学土木工程学院,黑龙江哈尔滨150090 [2]吉林大学建设工程学院,吉林长春130026

出　　处：《吉林大学学报（地球科学版）》2004年第4期643-647,共5页Journal of Jilin University：Earth Science Edition

基　　金：吉林省科委发展计划项目(980571);科学深钻国家实验室资助项目(200009)

摘　　要：根据热熔器壳体所需耐高温和抗氧化等要求,测量和分析了若干工程陶瓷材料的热学性能、力学性能和电学性能,结果表明,可将热熔器壳体材料由渗硅石墨换为工程陶瓷。所选工程陶瓷具有不导电的特点,加热电阻元件可由热解石墨和高强石墨联合承担以形成电流回路。按所确定材料的实验性能设计了新式的热熔器,试验结果达到要求。The calorical, mechanical and electrical performances of several engineering ceramics are first measured and analyzed for the requirements of subterrene drills shell to high temperature and oxidation resistant. The ihrigizing graphite used as shell material can be replaced by engineering ceramics. Because selected engineering ceramics is not conductive, the resistance components can be heated by pyrolytic graphite and high-strength graphite to form current loop. A new type of subterrene drill is then designed according to experiment data. Tests show that the new subterrene drill can reach the demand.

关 键 词：渗硅石墨 工程陶瓷 热解石墨 高强石墨 新式热熔器 

分 类 号：P634.5[天文地球—地质矿产勘探]