【摘要】 利用氢作为临时合金元素的热氢处理技术(TCP),在钛合金机械加工、组织细化和粉末冶金等方面都具有广泛的应用前景。文中介绍了热氢处理在改善铸造钛合金显微组织、细化晶粒方面的应用以及热氢处理工艺过程,并阐述了热氢处理工艺使组织细化的机理。更多还原

【Abstract】 Thermohydrogen treatment technology by virtue of hydrogen as a temporary alloying element has been extensively applied for titanium alloys in metal forming,structure refinement,powder metallurgy and so on.In this paper,it was reviewed to use the technology to improve titanium castings’ microstructure,grain refining.Also,thermohydrogen treatment process and the mechanism for refining structure were stated.更多还原