Al-Mg/Ti-Mg脱氧钢中夹杂物诱发点蚀行为研究 |
| |
作者姓名: | 郑万 付学好 瞿勇 熊珊 李光强 秦庆伟 |
| |
作者单位: | 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学高性能钢铁材料及其应用湖北省协同创新中心,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081,武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学高性能钢铁材料及其应用湖北省协同创新中心,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081,武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081,武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081,武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学高性能钢铁材料及其应用湖北省协同创新中心,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081,武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北 武汉,430081;武汉科技大学省部共建耐火材料与冶金国家重点实验室,湖北 武汉,430081 |
| |
基金项目: | 国家自然科学基金资助项目(51541409). |
| |
摘 要: | 以不同脱氧方式熔炼的海洋工程用钢为研究对象,利用SEM、EDS及Image-Pro Plus 6.0软件对钢中夹杂物形貌、组成及尺寸分布等进行表征,通过3.5%NaCl溶液中阳极极化及腐蚀实验对钢中夹杂物诱发点蚀的行为进行探究。结果表明,与Al-Mg脱氧钢相比,Ti-Mg脱氧钢中形成了含有TiO_x的复合氧化物,夹杂数量更多且平均尺寸更小(小于1μm),有利于MnS的异质形核析出及弥散分布;低腐蚀活性的含TiOx复合氧化物及高度分散、异质局部析出MnS夹杂具有较低的点蚀敏感性及自腐蚀催化作用,降低了点蚀的诱发及扩展,有效提高了钢的抗点蚀性能。
|
关 键 词: | 海洋用钢 Ti-Mg Al-Mg 复合脱氧 夹杂物 硫化锰 点蚀 |
收稿时间: | 2016/12/20 0:00:00 |
Inclusion-induced pitting corrosion behaviors in Al-Mg/Ti-Mg deoxidized steel |
| |
Authors: | Zheng Wan Fu Xuehao Qu Yong Xiong Shan Li Guangqiang and Qin Qingwei |
| |
Institution: | Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;Hubei Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;Hubei Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China,Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;Hubei Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China and Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China;State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China |
| |
Abstract: | |
| |
Keywords: | marine steel Ti-Mg Al-Mg complex deoxidation inclusion MnS pitting corrosion |
本文献已被 CNKI 等数据库收录! |
| 点击此处可从《》浏览原始摘要信息 |
| 点击此处可从《》下载免费的PDF全文 |
|