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J. Ocean Eng. Technol. > Volume 25(5); 2011 > Article
J. Ocean Eng. Technol. 2011;25(5):40-46.    
DOI: https://doi.org/10.5574/KSOE.2011.25.5.040   

Variation of Impact Values by Heat Treatment Temperature to Prevent Brittle Fracture of Roll Shell Steel (II) -Comparison of properties between domestic and French-made products-
Suh Chang-Min,Suh Min-Soo,Oh Sang-Yeob
School of Mechanical Engineering Kyungpook National University,School of Advanced Materials Engineering Kookmin University,School of Automotive Engineering Kyungpook National University
압연롤강의 취성파괴 방지를 위한 열처리 온도에 따른 충격치 변화에 관한 연구 (II) -수명향상을 위한 국산과 외산소재의 물성과 파괴특성비교-
서창민,서민수,오상엽
경북대학교 공과대학 기계공학부,국민대학교 공과대학 신소재공학부,경북대학교 과학기술대학 자동차공학부
© 2011 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Impact test, Heat treatment, Roll Shell steel, Brittle fracture, Tempering
핵심용어: 충격시험, 열처리, 압연롤강, 취성파괴, 템퍼링
Abstract
This study carried out a series of experiments involving impact tests (Drop weight type & Charpy type with a standard specimen and newly designed I-type specimen), hardness tests, and fracture surface observations of French-made roll shell steel (F), abnormal roll shell steel (M), reheated roll shell steel (R), and S25C steel under heat treatment conditions ($570^{circ}C$) to analyze the cause and prevent the roll shell steel's brittle fracture and its damage.


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