%0 Journal Article
%T A superheater tube superalloy GH2984 with excellent properties<br>一种性能优异的过热器管材用高温合金GH2984
%A GUO Jianting
%A DU Xiukui
%A <br>郭建亭
%A 杜秀魁
%J 金属学报
%D 2005
%I 
%X A superheater tube superalloy GH2984 with excellent properties had been successfully developed, which does not contains expensive element Co but has 32%-36% Fe, so it has low cost. In this paper, the characteristics of GH2984, including the chemical composition, mechanical and chemical properties, the microstructure stability after long-time thermal exposure and the processing property at hot and cold conditions have been introduced briefly. Then the superiority of this alloy used in ship boiler and ultra-supercritical coal-fired boiler as superheater was analyzed. The results from practical application to the ship boilers show that the GH2984 superalloy is suitable to the ship boiler superheater tube material, and the alloy also is very important candidate of a superheater and reheater materials in the ultra-supercritical steam boilers.
%K Fe base superalloy
%K superheater material
%K mechanical property
%K microstructure
%K thermal stability<br>铁基高温合金
%K 过热器材料
%K 力学性能
%K 显微组织
%K 组织稳定性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=DC54992B51CA5316&yid=2DD7160C83D0ACED&vid=2001E0D53B7B80EC&iid=708DD6B15D2464E8&sid=EC37857E7CB2811A&eid=8EC0A96FD5EC3019&journal_id=0412-1961&journal_name=金属学报&referenced_num=3&reference_num=13