Effect of processing methods on microhardness and acid corrosion behavior of low-carbon steel

被引：13
|
作者：
Zhang, Liuyan [1 ]
Ma, Aibin [2 ]
Jiang, Jinghua [2 ]
Jie, Xiaohua [1 ]
机构：
[1] Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
[2] Hohai Univ, Coll Mech & Mat, Nanjing 210098, Jiangsu, Peoples R China
来源：
MATERIALS & DESIGN | 2015年 / 65卷
基金：
中国博士后科学基金;
关键词：
Processing methods; Microhardness; Acid corrosion; Low-carbon steel; MECHANICAL-PROPERTIES; MICROSTRUCTURAL EVOLUTION; CHANNEL; STRENGTH; HOT;
D O I：
10.1016/j.matdes.2014.09.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Low-carbon steels with different microstructures were fabricated by hot rolling, quenching and equal-channel angular pressing (ECAP), respectively. Microhardness and acid corrosion behavior were evaluated, aiming to reasonably select an optimal processing method for the low-carbon steel used in a given environment. The results revealed that both ECAP and quenching improved the microhardness of the hot rolled steel, and the grain refinement strengthening effect by ECAP is better than the solid solution and phase transformation strengthening effect by quenching. The quenching process enhanced the acid corrosion resistance and anodic passivation property of the low-carbon steel, while the ECAP process promoted the anodic passivation but accelerated the acid corrosion rate. Quenching is more suitable than ECAP for strengthening the low-carbon steel used in an acid environment. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：115 / 119
页数：5
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