TEST OF HARDNESS VARIATION AFTER AGING AND STUDY ON CREEP PROPERTY FOR T92 STEEL

WANG Liang1; LIU Zong-de1; CHEN Peng1; ZHENG De-zhuo21.Key Laboratory of Condition Monitoring and Control for Equipments in Power Plants under Educational Ministry

doi:10.19666/j.rlfd.2008.12.007

English

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TEST OF HARDNESS VARIATION AFTER AGING AND STUDY ON CREEP PROPERTY FOR T92 STEEL

Thermal Power Generation Vol. 37, Issue 12, Pages: 26-30(2008)

更新时间：2025-09-28

- TEST OF HARDNESS VARIATION AFTER AGING AND STUDY ON CREEP PROPERTY FOR T92 STEEL
- 作者机构：
  
  1. 华北电力大学电站设备状态监测与控制教育部重点实验室
  2. 华北电力科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.12.007
  CLC： TG142.15
- Published：2008
- 稿件说明：
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WANG Liang1, LIU Zong-de1, CHEN Peng1, et al. TEST OF HARDNESS VARIATION AFTER AGING AND STUDY ON CREEP PROPERTY FOR T92 STEEL[J]. Thermal Power Generation, 2008, 37(12): 26-30.
DOI：

WANG Liang1, LIU Zong-de1, CHEN Peng1, et al. TEST OF HARDNESS VARIATION AFTER AGING AND STUDY ON CREEP PROPERTY FOR T92 STEEL[J]. Thermal Power Generation, 2008, 37(12): 26-30. DOI： 10.19666/j.rlfd.2008.12.007.

摘要

为了研究T92铁素体钢在高温时效后的硬度变化

对其在温度700℃、725℃和750℃下进行了时效试验

结果表明

随温度的提高和时间的延长

T92钢的硬度会逐渐下降

时效温度是硬度变化的主要影响因素;硬度的降低会加剧材料蠕变寿命的损耗。结合试验数据拟合出时效硬度与Larson-Miller参数之间的关系

按照Larson-Miller参数整理得到T92钢的硬度下降规律与试验值基本一致。

Abstract

Directing against hardness variation of T92 ferritic steel after aging under high temperature

a test analysis has been carried out.It is believed that the hardness of said steel may be gradually reduced along with enhancing the operation temperature and lengthening the operation time.An approach to the relationship between hardness and creep property of materials has been made

results show that the decrease of hardness may intensify the creep life loss of material.

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