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- Title
Relationship between Rockwell hardness and pearlite lamellar spacing of hardened layer under different cooling rates for U75 V 60 kg m<sup>−1</sup> heavy rail.
- Authors
Kang, H.; Wang, Z.H.; Li, Y.Y.; Li, C.N.
- Abstract
In this study, the heat treatment processes for U75 V heavy rail were studied systematically. Further, a simple and convenient method for measuring pearlite average lamellar spacing in steel by electron probe analysis is introduced, which can make the results closer to the real pearlite average lamellar spacing. This method was used to measure the pearlite average lamellar spacing at different positions of rail head under different heat treatments. Furthermore, the relationship between pearlite average lamellar spacing and Rockwell hardness of U75 V rail steel was determined. This study will provide important theoretical guidance for the formulation of rail heat treatment processes and the measurement of pearlite average lamellar spacing in steel.
- Subjects
ELECTRON probe microanalysis; HEAT treatment
- Publication
Materialwissenschaft und Werkstoffechnik, 2021, Vol 52, Issue 4, p460
- ISSN
0933-5137
- Publication type
Article
- DOI
10.1002/mawe.201900198