%0 Journal Article %T STABILIZATION OF MARTENSITE AND PARENT PHASE ORDERING IN A Cu-Zn-Al ALLOY %A CHEN Shuchuan XU Zuyao YANG Fan Shanghai Jiaotong University %A Shanghai %A ChinaZHANG Jihua %A
CHEN %A Shuchuan %A XU %A Zuyao %J 金属学报(英文版) %D 1992 %I %X The reverse transformation has never occurred in a quenched and aged specimen upon heatingfrom room temperature to 320℃ at which the martensite disappears thoroughly.Both B29R and DO_318R coexist in step-quenched and short-time isothermally treated specimen.As prolonging the isothermal holding,the B29R disappears and DO_318R intensifies.B29R occurs only in specimen quenched and up-quenched immediately to 100—150℃.Rapid quenching from high temperatures will depress the B2→DO_3 ordering but not the A2→B2 one.A plenty enough concentration of vacancy is a necessary condition of occurrence ofB2→DO_3 ordering.The possible mechanism for the stabilization of martensite in aCu-Zn-Al alloy was also discussed. %K stabilization of martensite %K ordering %K vacancy concentration
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=26C25DE844F0FA6CDCDBB86DAEA32C3B&yid=F53A2717BDB04D52&vid=94C357A881DFC066&iid=CA4FD0336C81A37A&sid=CA4FD0336C81A37A&eid=B31275AF3241DB2D&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=9