Processing and properties of ultrahigh-carbon (1.6%C) steel

被引：14
|
作者：
Zhang, Zhan-Ling [1 ]
Liu, Yong-Ning [1 ]
Zhu, Jie-Wu [1 ]
Yu, Guang [1 ]
机构：
[1] Xian Jiaotong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 483-84卷
基金：
中国国家自然科学基金;
关键词：
ultrahigh-carbon steel; ultrafine grains; mechanical properties; fracture mechanism;
D O I：
10.1016/j.msea.2006.09.145
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An ultrahigh-carbon steel containing 1.6 wt.% carbon (UHCS-1.6C) was processed to obtain ultrafine spheroidized ferrite, pearlite and tempered martensite, respectively. The tensile properties of these structures were evaluated at room temperature. The ultimate tensile strengths of UHCS-1.6C ranged from 930 to 1570 MPa, elongations to failure from 4.4 to 19%, and yield ratios from 0.65 to 0.92. The fracture mechanisms of these structures were clarified based on an examination to the fracture surfaces. The present results indicate that ultrahigh-carbon steels can be easily processed to achieve unique microstructures and properties. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 66
页数：3
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