J.S. Alabi, E. Heidari
High-volume industrial continuous hot-rolled steel heat treatment processes involve sophisticated multi-phase modeling. This study develops a multiphysics model to simulate an intensive quenching process for steel, which is inherently transient and highly dependent on numerous parameters. The simulated object was a Jominy end-quenched specimen geometry using two commercial steels, AISI 4130 and AISI 4140, with the goal of transferring a verified methodology to the heat treatment process for industrial heavy-section products. The simulation employs thermal, mechanical, and metallurgical models to estimate hardness, stress–strain response, and phase transformation. Validation against experimental thermal profiles, Rockwell hardness, and automated reconstruction quantifies martensite fractions showing strong agreement: hardness predictions achieved root-mean-square error of 2.57-3.49 HRC, and martensite phase fractions correlated closely with microstructural measurements. The model successfully predicted the extended hardenability of AISI 4140 versus AISI 4130, with residual stress distributions following expected compression-tension-compression patterns.
@article{a83dce96-6410-4957-bde1-ed244aadd1a2,
title={2026 Alabi Jominy Phase Transformation Hardness},
author={J.S. Alabi and E. Heidari},
year={2026},
language={en}
}TY - JOUR TI - 2026 Alabi Jominy Phase Transformation Hardness AU - J.S. Alabi AU - E. Heidari PY - 2026 LA - en ER -
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