%0 Journal Article %T ELECTRON MICROSCOPE STUDY ON δ-EUTECTOID IN HIGH SPEED STEEL %A SHI Gongqi DING Peidao ZHO U Shouze Chongqing University %A Chongqing %A China %J 金属学报(英文版) %D 1992 %I %X The morphology and structure of δ-eutectoid and the transformation of δ-eutectoidicaustenite in high speed steel have been studied under SEM and TEM.The δ-eutectoid inas-cast high speed steel is rod-shaped eutectoidic units with different orientations and ismarkedly surrounded by carbide shell.The eutectoidic carbide is rod-shaped M_6C of squareeross section.The eutectoidic austenite may transform into pearlite structure during cooling. %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=C19B08D052F5FD8445F4BB80A1A5D7BF&aid=06CC85AB5BE5CEA9E74B327FA95EA8CC&yid=F53A2717BDB04D52&vid=94C357A881DFC066&iid=0B39A22176CE99FB&sid=76B5E24D6EC46B4B&eid=58F693790F887B3B&journal_id=1006-7191&journal_name=金属学报(英文版)&referenced_num=0&reference_num=3