石墨形态对铸铁热疲劳性能影响的研究
Foundry Technology(2010)
Abstract
采用板状带V型缺口的HT200、RuT340和QT600试样,通过对试样进行反复加热、冷却的方法,研究了石墨形态对铸铁热疲劳性能的影响,为金属锭模的合理选材提供依据。试验结果表明,在热循环过程中,微裂纹总是起源于石墨相;微裂纹产生后,主裂纹通常是沿着石墨和石墨间最近的基体扩展;在20~650℃间的热循环条件下,球墨铸铁的抗热疲劳性能最好,蠕墨铸铁次之,灰铸铁最差。
MoreTranslated text
Key words
Cast iron,Thermal cycles,Graphite morphologies,Thermal fatigue
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined