针对650 ℃超超临界锅炉用新型G115马氏体耐热钢,通过研究先进超超临界锅炉耐热材料在高温长时服役下组织和力学性能演变规律,分析其失效机理,从而探索获得长寿命的关键组织特征,为650 ℃超超临界锅炉用高温弯管、锻件的产业化制造提供理论支撑。
Investigate the evolution and mechanical properties of G115 steel used in 650 ℃ ultra super critical power plants during aging. And search the specific characteristic of microstructure which could benefit the creep property.