Influence of Quenchant Temperature on Microstructure and Hardness in Jominy End Quench Test for AISI 4135 Steel

Tuesday, May 6, 2025: 4:00 PM
Room 19 (Vancouver Convention Centre)
Mr. Johnson S. Alabi , Missouri University Science and Technology, Rolla, MO
Mr. Erfan Heidari , Missouri University Science and Technology, Rolla, MO
Dr. Mario Buchely , Missouri University of Science and Technology, Rolla, MO
Dr. K Chandrashekhara , Missouri University Science and Technology, Rolla, MO
Dr. Simon Lekakh , Missouri University Science and Technology, Rolla, MO
Dr. Ronald J. O’Malley , Missouri University Science and Technology, Rolla, MO
Dr. Viraj A. Athavale , Missouri University Science and Technology, Rolla, MO
Dr. Abhishek Kumar , Nucor Steel Memphis, Inc., Memphis, TN
The temperature of quenchant and the severity of quench can significantly influence the mechanical properties, phase transformation, and hardness of the steel. This study examines the influence of quenchant temperature through experimental and numerical simulations to predict temperature profiles and phase fractions distributions for AISI 4135 steel. The Jominy test specimen was modeled using the SIMheat module of the FORGE software for estimating cooling rates, temperature profiles, and microstructure evolution considering thermophysical properties obtained from the JMATPro database. In experiments, the water quenchant temperature varied from cold (4°C) to room temperature (25°C) to hot water (60°C). The experimental and simulated results were compared, estimating the hardness profile for different quenchant temperatures on AISI 4135 steel. Some specific details obtained from this comparison are discussed
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