Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip

朱丽霞; 王亚龙; 李金凤; 陈宏达; 何小东

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Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip

更新时间：2026-01-21

- Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip
- Special Steel Vol. 29, Issue 3, Pages: 66-68(2008)
- 作者机构：
  
  中国石油天然气集团公司管材研究所,西安,710065
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：08 December 2007，
  
  Online First：03 January 2023，
  
  Published：03 January 2008
- 稿件说明：
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朱丽霞, 王亚龙, 李金凤, et al. Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip[J]. Special Steel, 2008, 29(3): 66-68.
DOI：

朱丽霞, 王亚龙, 李金凤, et al. Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip[J]. Special Steel, 2008, 29(3): 66-68. DOI：

摘要

试验结果表明

14.3 mm HTP管线钢带(%:0.056C、1.21Mn、0.07Nb、0.01Ti)具有严重的各向异性现象

平行于轧制方向的试样在同一温度下冲击功明显高于45°和垂直于轧制方向冲击功

出现分层裂纹的倾向最大。分层裂纹主要是试样中条状缺陷所致

受位错组态影响

有确定的方向性

与温度有关。

Abstract

Test results indicated that 14.3 mm HTP line-pipe steel strip(0.056C

1.21Mn

0.07Nb

0.01Ti)had seriols anisotropy

the charpy V-otshimpact energy and delamiratig crack tendency of sample perallelod to rling lirec- ton wls obviously higher han that of samples being45° and vetical o mling diecion at same icmperature. The ddlami- naig eack was calaed by stip deice

it we efeied dialoeation confguation wih cerain direstion feature and related to temperature.

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