STUDY ON PERFORMANCE OF HIGH HARDNESS AND LOW HARDNESS WELD JOINTS ON P91 MAIN STEAM PIPE

LI Yi-min1; SHI Zhi-gang1; CAI Lian-yuan2; YAN Jian-bin2; WANG Da-guang2; GUI Li-cheng2(1.Xi'an Thermal Power Research Institute Co Ltd

doi:10.19666/j.rlfd.2007.05.027

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STUDY ON PERFORMANCE OF HIGH HARDNESS AND LOW HARDNESS WELD JOINTS ON P91 MAIN STEAM PIPE

Thermal Power Generation Issue 5, Pages: 89-92(2007)

更新时间：2025-09-28

- STUDY ON PERFORMANCE OF HIGH HARDNESS AND LOW HARDNESS WELD JOINTS ON P91 MAIN STEAM PIPE
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 西固热电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.05.027
  CLC： TG407
- Published：2007
- 稿件说明：
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LI Yi-min1, SHI Zhi-gang1, CAI Lian-yuan2, et al. STUDY ON PERFORMANCE OF HIGH HARDNESS AND LOW HARDNESS WELD JOINTS ON P91 MAIN STEAM PIPE[J]. Thermal Power Generation, 2007, (5): 89-92.
DOI：

LI Yi-min1, SHI Zhi-gang1, CAI Lian-yuan2, et al. STUDY ON PERFORMANCE OF HIGH HARDNESS AND LOW HARDNESS WELD JOINTS ON P91 MAIN STEAM PIPE[J]. Thermal Power Generation, 2007, (5): 89-92. DOI： 10.19666/j.rlfd.2007.05.027.

摘要

对P91钢的高硬度和低硬度焊缝的冲击功、硬度、断裂韧度和持久强度进行了试验研究

结果表明:硬度高、韧性低的R焊缝具有高的持久强度;硬度低、韧性高的D焊缝具有低的持久强度。材料持久强度的高低与部件的蠕变寿命密切相关。

Abstract

A test study on the impact power

hardness

fracture toughness

and persistent strength of high and low hardness weld joints on P91 steel has been carried out

the results show that: the R weld joint with higher hardness and lower toughness has the higher persistent strength;the D weld joint with lower hardness and higher toughness has lower persistent strength.The persistent strength of material is closely related to the creep life of component.

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