期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 162, 期 -, 页码 336-341出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2005.02.097
关键词
fracture toughness; cast steel; hypereutectoid cementite; transformed ledeburite; Widmannstatten's shape
The mechanical properties of G200CrMoNi4-6-3 cast steel used for mill rolls were characterized in this work. The influence of cooling rate (during heat treatment) and hypereutectoid cementite morphology on G200CrMoNi4-6-3 cast steel fracture toughness was determined. The fracture toughness was measured by K-IC test as well as by impact strength and static bend test. Gulajev's method was used for the impact strength results interpretation. (c) 2005 Published by Elsevier B.V.
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