| X60级输油(气)管线钢环焊接头的断裂韧性 |
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| 引用本文： | 高惠临,侯蕊涵,徐学利.X60级输油(气)管线钢环焊接头的断裂韧性[J].西安石油大学学报(自然科学版),1990(2). |
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| 作者姓名： | 高惠临 侯蕊涵 徐学利 |
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| 作者单位： | 西安石油学院石油机械系，西安石油学院石油机械系，西安石油学院石油机械系 |
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| 摘 要： | 本文对两种X60级输油(气)管线钢环焊接头在系列温度下的断裂韧性(COD)进行了试验研究,对影响断裂韧性的显微组织因素进行了分析讨论,对用COD值来评定管线钢及其焊接接头的韧脆转化能力进行了探讨。
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| 关 键 词： | 管线钢 环焊接头 断裂韧性 |
The Fracture Toughness of the Circular Welded Joints of X60-Grade Pipeline Steel |
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| Gao Huilin,Hou Ruihan,Xu Xueli.The Fracture Toughness of the Circular Welded Joints of X60-Grade Pipeline Steel[J].Journal of Xian Shiyou University,1990(2). |
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| Authors: | Gao Huilin Hou Ruihan Xu Xueli |
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| Institution: | Department of Petroleum Mechanical Engineering |
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| Abstract: | In this paper, the fracture toughness COD of the circular welded joints of two kinds of X60-grade pipeline steel is investigated under a series of temperature. Microstructure factors affecting fracture toughness are analysed, and it is also discussed how to evaluate with COD value the capability of pipeline steel and its welded joints to transit from toughness to brittleness. |
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| Keywords: | pipeline steel circular welded joint fracture toughness |
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