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Development of hot rolled ship plate with high strength and high toughness

  • Xiang Dong Huo
  • , Lin Guo
  • , Jin Song Feng
  • , Chao Luo
  • , Jun Qu
  • Jiangsu University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A new hot-rolled ship plate with high strength and high toughness is successfully developed through chemical composition design and TMCP process. Experimental methods, such as OM, TEM and X-EDS, were used to study the microstructure and precipitates of steel. The primary microstructural constituent is acicular ferrite, quasi-polygonal ferrite with second constituents along grain boundaries. Lath width of acicular ferrite is about 1μm. Cubic particles about several hundreds nanometers and nanometer particles exist in experimental steel. It can be concluded that acicular ferrite is the main reason for high strength and super toughness. precipitation hardening due to dispersed precipitations of carbonitrides can not be overlooked.

源语言英语
主期刊名Materials Design, Processing and Applications
106-109
页数4
DOI
出版状态已出版 - 2013
已对外发布
活动4th International Conference on Manufacturing Science and Engineering, ICMSE 2013 - Dalian, 中国
期限: 30 3月 201331 3月 2013

出版系列

姓名Advanced Materials Research
690 693
ISSN(印刷版)1022-6680

会议

会议4th International Conference on Manufacturing Science and Engineering, ICMSE 2013
国家/地区中国
Dalian
时期30/03/1331/03/13

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