超低碳贝氏体钢(ULCB)和耐候钢09CuPCrNi的耐蚀性

特殊钢 ›› 2008, Vol. 29 ›› Issue (2): 31-33.

超低碳贝氏体钢(ULCB)和耐候钢09CuPCrNi的耐蚀性

王志奋李平和关云陈庆丰

武汉钢铁(集团)公司研究院，武汉430080

出版日期:2008-04-01 发布日期:2023-01-19
作者简介:王志奋(1976-),男，博士，工程师，2005年武汉大学毕业，新材料研发和分析测试。

Corrosion Resistance of Weather-Resisting Steel 09CuPCrNi and#br# Ultra Low Carbon Bainitic Steel(ULCB)#br#

Wang Zhifen,Li Pinghe,Guan Yun and Chen Qingfeng

Research and Development Center,Wuhan lron and Steel(Group)Corp,Wuhan 430080

Published:2008-04-01 Online:2023-01-19

摘要/Abstract

摘要： 通过周期性浸润腐蚀试验测定了ULCB钢(%:0.05C、1.61Mn、0.51Cu、0.17Cr、0.26Ni)和耐候钢 09CuPCrNi(%:0.09C、0.35Mn,0.09P、0.31Cu、0.45Cr、0.31Ni)14 mm板的耐腐蚀性能，并用偏光显微镜， X-射线衍射仪和能谱仪等研究了耐蚀机理。结果表明，ULCB钢的耐腐蚀性能优于09CuPCrNi钢；发现两种钢均存在由α- FeOOH,β-FeOOH和Fe₃O₄组成致密的内锈层、由α-,γ-Fe0OH和Fe₃O₄组成的疏松外锈层；Cu和Cr合金元素在锈层和锈层-钢基体界面均存在富集现象。

关键词: 超低碳贝氏体钢耐候钢09CuPCrNi , 耐蚀性锈层

Abstract: The corosion resistance of 14 mm plate of steel 09CuPCrNi(0.09C,0.35Mn,0.09P,0.31Cu,0.45Cr, 0.31Ni)and ULCB steel(0.05C,1.61Mn,0.51Cu,0. 17Cr,0.26Ni)was measured by periodic dip corrosion test and the corrosion resistance mechanism was studied by polarizing microscope,X-ray difractometer and energy dispersive spec- trum analyser.Results showed that the corrosion resistance of ULCB steel was better than that of steel 09CuPCrNi and it was found that there were dense inner rust layer consisting of a-Fe00H,B-Fe0OH and Fe₃O₄ and loose outer rust layer consisting of a-,y-Fe0OH and Fe₃O₄,and the copper and chromium alloy elements enriched at rust layer - steel substrate interface and in rust layer.

Key words: Ultra , Low , Carbon , Bainitic , Steel,Weather-Resisting , Steel , 09CuPCrNi,Corrosion , Resistance,Rust Layer

王志奋李平和关云陈庆丰. 超低碳贝氏体钢(ULCB)和耐候钢09CuPCrNi的耐蚀性[J]. 特殊钢, 2008, 29(2): 31-33.

Wang Zhifen, Li Pinghe, Guan Yun and Chen Qingfeng. Corrosion Resistance of Weather-Resisting Steel 09CuPCrNi and#br# Ultra Low Carbon Bainitic Steel(ULCB)#br#[J]. Special Steel, 2008, 29(2): 31-33.