STUDY ON STRUCTURAL EVOLUTION OF NO.2 STEEL TUBE MATERIAL DURING HIGH TEMPERATURE AGING PROCESS

doi:10.19666/j.rlfd.2005.01.004

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STUDY ON STRUCTURAL EVOLUTION OF NO.2 STEEL TUBE MATERIAL DURING HIGH TEMPERATURE AGING PROCESS

Thermal Power Generation Issue 1, Pages: 12-15(2005)

更新时间：2025-09-28

- STUDY ON STRUCTURAL EVOLUTION OF NO.2 STEEL TUBE MATERIAL DURING HIGH TEMPERATURE AGING PROCESS
- 作者机构：
  
  1. 大连理工大学
  2. 大连理工大学,辽宁,大连,116024
  3. ,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.01.004
  CLC： TG156.9
- Published：2005
- 稿件说明：
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STUDY ON STRUCTURAL EVOLUTION OF NO.2 STEEL TUBE MATERIAL DURING HIGH TEMPERATURE AGING PROCESS[J]. Thermal Power Generation, 2005, (1): 12-15.
DOI：

STUDY ON STRUCTURAL EVOLUTION OF NO.2 STEEL TUBE MATERIAL DURING HIGH TEMPERATURE AGING PROCESS[J]. Thermal Power Generation, 2005, (1): 12-15. DOI： 10.19666/j.rlfd.2005.01.004.

摘要

针对石化装置中压力容器管线、蒸汽管道常用的 2 0号钢

采用加速时效方法模拟了其组织状态的变化。研究结果表明

2 0号钢在加速时效过程中以珠光体球化、碳化物晶界析出为主要显微组织演变特征。初步建立了 2 0号钢在加速时效过程中碳化物和晶粒长大的动力学方程

Abstract

Directing against low carbon steel No.20 commonly used for pressurized containers

pipelines

and steam conduits

the structural evolution has been simulated by adopting accelerated aging method. Results of study show that the main microstructural evolution feature of low carbon steel No.20 to be pearlite spheroidization

carbide eduction on grain boundaries

and a dynamics equation of grain size growth for the said steel in accelerated aging process has been primarily established.

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