Improvement of Mechanical Properties of Spheroidized 1045 Steel by Induction Heat Treatment

被引：0
|
作者：
Minwook Kim
Jung-Ho Shin
Young Choi
Seok-Jae Lee
机构：
[1] Chonbuk National University,Division of Advanced Materials Engineering, Research Center for Advanced Materials Development
[2] SeAH Besteel,Product Research Center, R&D Center
[3] KITECH,Convergence Components and Agricultural Machinery Application Group, Jeonbuk Regional Division
来源：
Metallurgical and Materials Transactions A | 2016年 / 47卷
关键词：
Cementite; Ferrite Matrix; Cementite Particle; Relative Volume Fraction; Conventional Heat Treatment;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effects of induction heat treatment on the formation of carbide particles and mechanical properties of spheroidized 1045 steel were investigated by means of microstructural analysis and tensile testing. The induction spheroidization accelerated the formation of spherical cementite particles and effectively softened the steel. The volume fraction of cementite was found to be a key factor that affected the mechanical properties of spheroidized steels. Further tests showed that sequential spheroidization by induction and furnace heat treatments enhanced elongation within a short spheroidization time, resulting in better mechanical properties. This was due to the higher volume fraction of spherical cementite particles that had less diffusion time for particle coarsening.
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页码：1761 / 1769
页数：8
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