%0 Journal Article %T PRECIPITATION OF TiC IN METASTABLE β-Ti ALLOY %A YU Xuejie WANG Jianlin Shanghai Iron and Steel Research Institute %A Shanghai %A ChinaZHOU Tianjian Anhui Institute of Technology %A Hefei %A China YU Xuejie %A Senior Engineer %A Shanghai Iron Steel Research Institute %A Taihe Road %A Wusong %A Shanghai %A China. %J 金属学报(英文版) %D 1989 %I %X In order to clarify that the IFP and the “Type 2”α phase are also arising from TiC,ametastable β-Ti alloy was selected for investigation in this work.The results showed that af-ter heating the alloy just below the α+β→β transus temperature and quenching,the TiC lay-er existed at the α/β interface.The morphology of TiC is similar to that of the IFP arisingfrom TiH_2 in the α-β two-phase alloys.The IFP TiC also provided an easy crack path orthe crack initiation sites.The fracture is also identical to that caused by IFP TiH_2.The arceddiffractions(characteristic of “Type 2”α)were found in the selected area diffraction pat-terns of some specimens which had been isothermally aged after solid solution treatment.Theparticles which bring on the arced diffractions may be TiC on the basis of structure and lat-tice parameter analysis,not the so called “Type 2”α phase. %K interface %K phase(IFP) %K metastable %K α-Ti %K alloy %K TiC %K TiH_2 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=B4E98908EF830E4FF324B36AFB07485F&yid=1833A6AA51F779C1&vid=0B39A22176CE99FB&iid=CA4FD0336C81A37A&sid=D3E34374A0D77D7F&eid=339D79302DF62549&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=15