| HTP管线钢试样取向与冲击韧性的相关性 |
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| 引用本文： | 朱丽霞,王亚龙,李金凤,陈宏达,何小东.HTP管线钢试样取向与冲击韧性的相关性[J].特殊钢,2008,29(3):66-68. |
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| 作者姓名： | 朱丽霞 王亚龙 李金凤 陈宏达 何小东 |
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| 作者单位： | 中国石油天然气集团公司管材研究所，西安710065 |
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| 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。
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| 关 键 词： | HTP管线钢 冲击韧性 分层裂纹 试样取向 |
| 收稿时间： | 2007-12-08 |
Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip |
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| Zhu Lixia,Wang Yalong,Li Jinfeng,Chen Hongda,He Xiaodong.Correlation of Sampling Orientation and Impact Toughness of HTP Line-Pipe Steel Strip[J].Special Steel,2008,29(3):66-68. |
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| Authors: | Zhu Lixia Wang Yalong Li Jinfeng Chen Hongda He Xiaodong |
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| Affiliation: | TuberCoolsResearchCenter,CNPC,Xi'an710065 |
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| 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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