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Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018019227
pages 483-490

NUMERICAL SIMULATION OF COOLING A 2D SQUARE BLOCK CONSIDERING PHASE TRANSFORMATION AND CHANGES IN THERMODYNAMIC PROPERTIES

Jae Ryong Lee
Korea Atomic Energy Research Institute, 1045 Daedeok-daero, Yuseong-gu, 305-353, South Korea
Il Seouk Park
School of Mechanical Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 702-701, South Korea

Краткое описание

During a cooling process, a high-temperature steel usually in austenite phase undergoes a phase transformation to ferrite and bainite. Due to the phase transformation, the material changes its metallurgical structure and hence its mechanical characteristics, including the strength and toughness. In addition, the phase transformation causes a related exothermic reaction and changes the thermodynamic properties. Therefore, the cooling process and its relevant phase transformation should be treated together by coupling them. In this study, the cooling process of a two-dimensional square steel block is investigated numerically by considering the phase transformation from austenite to ferrite. The Johnson–Mehl–Avrami–Kolmogorov (JMAK) equation (Avrami, 1939) was adopted for the phase transformation analysis. The cooling results with and without consideration of the phase transformation eff ect are compared.


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