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金属学报  2004, Vol. 40 Issue (9): 948-954     
  论文 本期目录 | 过刊浏览 |
时效处理对针状铁素体管线钢力学性能和抗硫化氢行为的影响
赵明纯 单以银 杨柯
中国科学院金属研究所; 沈阳110016; 日本国立材料研究所; 筑波 3050047; 日本
Effect of Aging Treatment on Mechanical Property and H2S Resistant Behavior of Acicular Ferrite Pipeline Steels
ZHAO Mingchun; SHAN Yiyin; YANG Ke
Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110016
全文: PDF(16443 KB)  
摘要: 在600 ℃左右进行时效处理, 可使针状铁素体管线钢强度水平大幅度提高而基本不降低韧性和延性. 在600 ℃保温10 h, 针状铁素体管线钢在保持塑、韧性的基础上, 强度水平提升到接近X 100级别要求,且明显改善了其抗H2S开裂性能. 有利作用主要归因于时效处理促进了针状铁素体中微合金碳氮化物的进一步沉淀析出, 马氏体/奥氏体(M/A)岛转变成回火马氏体,以及组织更加均匀化. 时效处理为发展高强度级别针状铁素体管线钢提供了新的思路.
关键词 管线钢针状铁素体力学性能    
Abstract:Hot-rolled acicular ferrite pipeline steel plate can be further strengthened by aging treatment. After an aging treatment at 600 ℃ for 10 h, the acicular ferrite pipeline steel plate is strengthened to the level of X 100 while its impact toughness does not obviously decrease. At the same time, its H2S cracking resistant ability is also improved obviously. All these can be attributed to the additional precipitation of micro-alloyed carbonitrides, the transformation of martensite/austenite (M/A) islands to tempering martensite and the improvement of the uniformity in acicular ferrite microstructure during aging treatment.
Key wordspipeline steel    acicular ferrite    mechanical property
收稿日期: 2003-09-25      出版日期: 2004-09-11
ZTFLH:  TG335  
通讯作者: 赵明纯     E-mail: mczhao@imr.ac.cn
Corresponding author: ZHAO Mingchun     E-mail: mczhao@imr.ac.cn

引用本文:

赵明纯; 单以银; 杨柯 . 时效处理对针状铁素体管线钢力学性能和抗硫化氢行为的影响[J]. 金属学报, 2004, 40(9): 948-954 .
ZHAO Mingchun; SHAN Yiyin; YANG Ke. Effect of Aging Treatment on Mechanical Property and H2S Resistant Behavior of Acicular Ferrite Pipeline Steels. Acta Metall Sin, 2004, 40(9): 948-954 .

链接本文:

http://www.ams.org.cn/CN/      或      http://www.ams.org.cn/CN/Y2004/V40/I9/948

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