20G硬度与球化关系研究及寿命评估新方法
Correlation Between Hardness and Pearlite Spheroidization of 20G and New Life Evaluation Method for 20G
潘金平 1潘柏定 1程宏辉 2祝新伟1
作者信息
- 1. 嘉兴市特种设备检测院,浙江嘉兴314051
- 2. 扬州大学 机械工程学院,江苏扬州225127
- 折叠
摘要
通过采用高温加速时效的方法模拟20G炉管珠光体球化的演变过程并测试不同球化程度下的硬度,结合现场检测对电站锅炉20G炉管进行硬度和球化程度分析.基于Matlab软件模拟建立硬度与珠光体球化之间的关系模型,提出20G珠光体的球化与温度和时间之间的关系公式,进而提出一种简捷有效的电站锅炉炉管寿命评估方法.
Abstract
High-temperature accelerated aging was employed to simulate the evolution process of pearlite spheroidization of 20G tubes, and to measure the Brinell hardness of the samples at different degrees of spheroidization. Field tests were used to analyze the hardness and spheroidization of the 20G tubes. The correlation between hardness and pearlite spheroidization was established based on MATLAB simulation. The relationship among the pearlite spheroidization of the 20G and the temperature and time was proposed, and a new efficient life evaluation method for power station boiler tubes was discussed.
关键词
20G炉管/布氏硬度/Matlab/珠光体球化/寿命评估Key words
20G tube/brinell hardness/matlab/pearlite spheroidization/life evaluation引用本文复制引用
基金项目
浙江省质量技术监督局资助项目(20100229)
出版年
2012
NETL
NSTL
维普
万方数据