%0 Journal Article %T MICROSTRUCTURE AND MECHANICAL PROPERTIES OF A Ni_3Al-Fe BASED ALLOY %A LI Hui GUO Jianting TAN Minghui SUN Chao LAI Wanhui WANG Shuhe Institute of Metal Research %A Academia Sinica %A Shenyang %A China Professor %A
LI Hui GUO Jianting TAN Minghui SUN Chao LAI Wanhui WANG Shuhe Institute of Metal Research %A Academia Sinica %A Shenyang %A China Professor %A Institute of Metal Research %A Academia Sinica %A Shenyang %A China %J 金属学报(英文版) %D 1993 %I %X The microstructure,tensile properties at 20—950℃ and creep rupture properties at 700-900℃ in a Ni_3Al-Fe based alloy after high temperature deformation have been studied.Theresults show the microstructure of the alloy is composed of γ′-and β-phases.The grain sizeand yield strength of the alloy is stable when the temperature≤600℃,and it is ductile athigh temperature.The creep of the alloy at 700—900℃ is controlled by the climbing of dislo-cations,and the activation energy for creep is 439 KJ/mol with a stress exponent of 4. %K Ni_3Al-Fe based alloy %K microstructure %K mechanical property %K creep rupture property
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=42B8C720EA35DDA136D884441A6E0F83&yid=D418FDC97F7C2EBA&vid=B31275AF3241DB2D&iid=CA4FD0336C81A37A&sid=1371F55DA51B6E64&eid=94E7F66E6C42FA23&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=10