%0 Journal Article %T A MICROSTRUCTURAL ANALYSIS OF 7050 Al ALLOY %A JIN Yan LI Chunzhi ZHAO Yingtao YAN Minggao Beijing Institute of Aeronautical Materials %A
JIN Yan LI Chunzhi ZHAO Yingtao YAN Minggao Beijing Institute of Aeronautical Materials.Beijing %A China %J 金属学报(英文版) %D 1992 %I %X The microstructure of 7050 AI alloy in T74 condition has been studied by means of transmis-sion electron microscopy and dynamical diffraction simulation.It was found that the alloystudied contains mainly AI3Zr superlattice phase,η′-phase and Al_7Cu_2Fe constituent phase.The η′-phase has an orthorombic crystal structure with a=0.492 nm,b=0.852 nm andc=0.701 nm.The orientation relationship between the η′-phase and matrix was determinedas(101)_m∥(010)_(η′)111]_m∥001]_(η′) %K 7050 Al alloy %K microstructure %K TEM %K dynamical diffraction simulation
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=E0637458F4898D8CD32E90D7C4C249F7&yid=F53A2717BDB04D52&vid=94C357A881DFC066&iid=0B39A22176CE99FB&sid=CB423C9A71560A74&eid=80A07035DF96B0C4&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=13