%0 Journal Article
%T MECHANICAL PROPERTIES OF CO2 CORROSION SCALE ON N80 WELL TUBE STEEL<br>N80油套管钢CO2腐蚀产物膜的力学性能
%A CHEN Changfeng
%A LU Minxu
%A ZHAO Guoxian
%A BAI Zhenquan
%A YAN Milin
%A YANG Yanqing
%A <br>陈长风
%A 路民旭
%A 赵国仙
%A 白真权
%A 严密林
%A 杨延清
%J 金属学报
%D 2003
%I 
%X N80油套管钢CO2腐蚀产物膜力学性能的测试结果表明,腐蚀产物膜的弹性模量与硬度从内层到外层逐渐降低,弹性模量平均值为110 GPa.疏松的腐蚀产物膜内产生拉应力,应力大小随膜层的厚度增加而增加,腐蚀产物膜在试样表面稳定形成以后,内应力便趋于一个定值,大小约为46 MPa.外层腐蚀产物膜的断裂应力、应变分别为55.6 MPa和5.06×1O-4,小于内层膜断裂应力与应变(197.3-234.4 MPa和1.79×10-3-2.13×10-3).同样,内层膜与基体的粘附力要明显高于外层膜与内层膜.腐蚀产物膜内应力可以导致外层膜破裂.
%K N80 steel
%K CO2 corrosion
%K mechanical property of scale
%K elastic modulus
%K internal stress
%K adhesion<br>N80油套管钢
%K CO腐蚀
%K 腐蚀膜力学性能
%K 弹性模量
%K 内应力
%K 粘附力
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=B8AE80F3408E9853&yid=D43C4A19B2EE3C0A&vid=7C3A4C1EE6A45749&iid=0B39A22176CE99FB&sid=A58CF3BAE79427D0&eid=7EBE588F611589FC&journal_id=0412-1961&journal_name=金属学报&referenced_num=13&reference_num=18