摘要
尽管金属钛及其合金具有非常优异的机械性能,很强的耐腐蚀性能和耐高温性能,而且钛的矿藏资源在地球上也非常丰富,但全球金属钛的产量不到原铝产量的1%,也不到钛白粉产量的1/10。造成这一现象的主要原因是现行的钛金属生产方式,Kroll法的成本过高。在过去的几十年里,数十种新型的钛金属生产方式被提出,包括新的金属热还原,氯化物电解,氧化物熔体电解,氧化物固体电解以及复合阳极电解的方式。对上述新型钛生产工艺进行简要介绍。
The application and the demand of titanium metal are restricted by its high cost in spite of its excellent mechanical properties, corrosion and oxidation resistance. Titanium ores are very, plentiful in the earth crust, but the complication of producing titanium by Kroll process causes the high cost of titanium metal. In the past two decades, more than ten novel processes have been investigated as possible low cost routes for titanium production, based upon electrolytic processes, both anodic and cathodic, and also wtriations of the Hunter and Kroll processes. The electrolytic processes include the TiCl4 electrolysis, electrolysis of TiO2 in both melt and solid forms, and the consumable anode electrolysis using Ti-O-C conductive materials. In this paper a brief review on the new processes of titanium metal production was reported.
出处
《中国材料进展》
CAS
CSCD
2011年第6期37-43,63,共7页
Materials China
基金
国家自然科学基金重点基金项目(50934001)
教育部长江学者和创新团队发展计划(IRT0708)
关键词
钛及钛合金
冶金技术
金属热还原
熔盐电解
titanium and titanium alloys
metallurgical technology
thermal reduction of metal
molten salt electrolysis
