%0 Journal Article %T EFFECTS OF AGING TEMPERATURE AND TIME ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AN Fe-BASE SUPERALLOY %A GUO Shouren LU Dezhong GUO Jianting Institute of Metal Research %A Academia %A Shenyang %A ChinaWU Xi Fushun Steel Works %A Fushun %A China Associate Professor %A
GUO Shouren LU Dezhong GUO Jianting Institute of Metal Research %A Academia %A Shenyang %A ChinaWU Xi Fushun Steel Works %A Fushun %A China Associate Professor %A Institute of Metal Research %A Academia Sinica %A Shenyang %A China %J 金属学报(英文版) %D 1991 %I %X The mechanical properties and microstructure of an Fe-base superalloy GH35A have beenexamined after aging at 650—750℃ for 100—10000 h.The tensile strength of the alloychanges no more with aging temperature and the time at room temperature,but the ductilityand impact toughness at room temperature,as well as the stress-rupture life up to 700℃ de-crease slowly during aging up to 10000 h The initiation time to worsen its properties becomesshorter as the aging temperature rises.The variation of the mechanical properties of the alloywas found mainly depending on the formation,morphology,distribution and characteristic ofthe σ-phase precipitation. %K superalloy %K aging %K mechanical %K property %K σ-phase %K γ-phase %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=4A91D7A338B64720DD27C778ADEABD55&yid=116CB34717B0B183&vid=E158A972A605785F&iid=CA4FD0336C81A37A&sid=C5154311167311FE&eid=9971A5E270697F23&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=0