Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Forging & Stamping Technology》 2008-03
Add to Favorite Get Latest Update

Effect of isothermal forging temperature on microstructure and mechanical properties of TC18 alloy

WANG Xiao-yan1,GUO Hong-zhen1,YUAN Shi-chong1,YAO Ze-kun1,WEI Shou-yong2,WANG Ding-chun2 (1.School of Material Science and Engineering,Northwestern Polytechnical University,Xi'an 710072,China;2.Baoji Non-Ferrous Metals Works,Baoji 721014,China)  
The effect of isothermal forging temperature on microstructure and mechanical properties of TC18 alloy was studied by isothermal forging at the strain rate of 5.5×10-4 s-1 and 60% deformation.The result indicates that the microstructure of TC18 alloy is sensitive to forging temperature.The microstructure consists of primary α and transition β phase when the alloy is deformed in α+β field.The volume fraction of primary α decreases and its size increases with the rising of the temperature.Typical Widmanstaten structure can be obtained when forging above transformation point.The tensile strength is enhanced with the temperature being increased and the tensile ductility and the impact property reduce.When forging at 860 ℃,bimodal structure could be obtained,the tensile strength and the plasticity were in best combination.So 860 ℃ is a better option in isothermal forging.
【CateGory Index】: TG319
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved