INFLUENCE OF LAVESPHASE AND Z-PHASE UPON CREEP OF P92 STEEL

JIANG Yun-jian1; ZHANG Wen-jian2; LI Wen-bin21.Hebei Provincial Electric Power Research Institute

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INFLUENCE OF LAVESPHASE AND Z-PHASE UPON CREEP OF P92 STEEL

更新时间：2025-09-28

- INFLUENCE OF LAVESPHASE AND Z-PHASE UPON CREEP OF P92 STEEL
- Thermal Power Generation Vol. 38, Issue 8, Pages: 55-58(2009)
- 作者机构：
  
  1. 河北省电力研究院
  2. 华北电力大学机械工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG142.15
- Published：2009
- 稿件说明：
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JIANG Yun-jian1, ZHANG Wen-jian2, LI Wen-bin21.Hebei Provincial Electric Power Research Institute. INFLUENCE OF LAVESPHASE AND Z-PHASE UPON CREEP OF P92 STEEL[J]. Thermal power generation, 2009, 38(8): 55-58.
DOI：

JIANG Yun-jian1, ZHANG Wen-jian2, LI Wen-bin21.Hebei Provincial Electric Power Research Institute. INFLUENCE OF LAVESPHASE AND Z-PHASE UPON CREEP OF P92 STEEL[J]. Thermal power generation, 2009, 38(8): 55-58. DOI：

摘要

综合国内外的研究成果

论述了Laves相和Z相对提高P92钢蠕变性能的影响。结果表明

Laves相形成初期对提高P92钢蠕变断裂强度有利

但当Laves相达到一定尺寸后对提高蠕变断裂强度不利;Z相析出不但增加了蠕变孔洞出现的几率

而且会造成MX相在基体中的减少

降低MX弥散强化的作用

Z相的析出对P92钢蠕变断裂有不良影响。

Abstract

Summing up the research achievements at home and abroad

the influence of Laves-phase and Z-phase upon creep performance of P92 steel has been expounded.During initial formation period of Laves-phase

it is advantageous to the creep rupture strength of P92 steel

after the Laves-phase reaches a certain size

however

it is disadvantageous to the creep rupture strength;precipitation of Z-phase not only will increase the probability of creep cavities' occurance

but also will lead to the reduction of MX-phase in the matrix

decreasing the MX dispersion strengthening function.The formation of Z-phase in P92 steel has remarkable disadvantage to its creep rupture strength.

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