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首页> 外文期刊>Arabian Journal for Science and Engineering >Experimental Study on the Fracture Toughness of Welded Joints of API X90 High-grade Pipeline Steels Using Single-Edge-Notched Tension Specimens
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Experimental Study on the Fracture Toughness of Welded Joints of API X90 High-grade Pipeline Steels Using Single-Edge-Notched Tension Specimens

机译：API X90高级管线钢焊接接头断裂韧性的单边缺口拉伸试验研究

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摘要

The fracture toughness and R-curves of welded joints of API X90 pipeline steels were experimentally studied. Single-edge- notched tension (SENT) specimens and a normalization method were adopted. Joints welded by using three technologies (A, B, and C) were investigated. The results show that the SENT specimen could be used to test the fracture toughness and R-curves of the welded joint; the welded joint of welding method B presented the poorest fracture toughness; and the R-curves and fracture toughness of the heat-affected zone were seriously affected by the weld zone and base metal. A new idea to test the fracture toughness and R-curves of the heat-affected zone was also proposed.
机译：对API X90管线钢的焊接接头的断裂韧性和R曲线进行了实验研究。采用单边缺口拉力（SENT）试样和归一化方法。研究了使用三种技术（A，B和C）焊接的接头。结果表明，SENT试样可用于测试焊接接头的断裂韧性和R曲线。焊接方法B的焊接接头断裂韧性最差；焊接区和母材严重影响了热影响区的R曲线和断裂韧性。还提出了测试热影响区的断裂韧性和R曲线的新思路。

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  • 来源
    《Arabian Journal for Science and Engineering》 |2019年第2期|1033-1041|共9页
  • 作者

    Kong Lingzhen; Zhou Xiayi; Chen Liqiong; Huang Kun; Chen Jie;

  • 作者单位

    Southwest Petr Univ, Sch Oil & Nat Gas Engn, Chengdu 610500, Sichuan, Peoples R China;

    Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China;

    Southwest Petr Univ, Sch Oil & Nat Gas Engn, Chengdu 610500, Sichuan, Peoples R China;

    Southwest Petr Univ, Sch Oil & Nat Gas Engn, Chengdu 610500, Sichuan, Peoples R China;

    Southwest Petr Univ, Sch Oil & Nat Gas Engn, Chengdu 610500, Sichuan, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    X90; High-grade pipeline; SENT; Welded joint; Fracture toughness;

    机译：X90;高档管道;送去;焊接接头;断裂韧性;

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