WELDING TECHNOLOGY OF STEEL 91 USED IN POWER PLANTS AND STUDY ON ITS POST-WELDING BEHAVIOR

LIU Minli Department of metallorgy and Material Engineering

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WELDING TECHNOLOGY OF STEEL 91 USED IN POWER PLANTS AND STUDY ON ITS POST-WELDING BEHAVIOR

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- WELDING TECHNOLOGY OF STEEL 91 USED IN POWER PLANTS AND STUDY ON ITS POST-WELDING BEHAVIOR
- Thermal Power Generation Vol. 40, Issue 2, Pages: 88-90(2011)
- 作者机构：
  
  内蒙古机电职业技术学院冶金与材料工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG457.11
- Published：2011
- 稿件说明：
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LIU Minli Department of metallorgy and Material Engineering. WELDING TECHNOLOGY OF STEEL 91 USED IN POWER PLANTS AND STUDY ON ITS POST-WELDING BEHAVIOR[J]. Thermal power generation, 2011, 40(2): 88-90.
DOI：

LIU Minli Department of metallorgy and Material Engineering. WELDING TECHNOLOGY OF STEEL 91 USED IN POWER PLANTS AND STUDY ON ITS POST-WELDING BEHAVIOR[J]. Thermal power generation, 2011, 40(2): 88-90. DOI：

摘要

对P91钢在发电机组应用中容易出现的接头脆化和裂纹等问题

采取了相应的焊接工艺

并通过冲击、拉伸和弯曲试验检测其焊接性能。结果表明

采用相应的焊接工艺

P91钢焊接接头可以获得良好的韧性和强度。此外

弯曲试验后试件也未发现裂纹

保证了P91钢的安全使用。

Abstract

Directing against the problems easily occurred in application of steel 91 onto power-generating units

such as embrittlement and cracking etc.

corresponding weld technology has been adopted

and the weldability of steel 91 being inspected through impact test

tensile test

and bend test.Results show that the good toughness and strength of weld joints can be obtained by adopting corresponding weld technology for steel 91.Moreover

cracks haven't discovered on the specimen even after bend test

ensuring safety in application of steel 91.

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