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- Title
Improvement of Mechanical Properties of Spheroidized 1045 Steel by Induction Heat Treatment.
- Authors
Kim, Minwook; Shin, Jung-Ho; Choi, Young; Lee, Seok-Jae
- Abstract
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.
- Subjects
SPHEROIDIZING (Heat treatment); MECHANICAL properties of metals; HEAT treatment of steel; STRUCTURAL analysis (Engineering); TENSILE tests
- Publication
Metallurgical & Materials Transactions. Part A, 2016, Vol 47, Issue 4, p1761
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-016-3327-8