对优化组织后的FGH96合金,在电子蠕变试验机(RDL100,SINOTEST)上进行了700℃、690 MPa下的蠕变实验。对不同氧含量合金达到0.2%残余应变所需的时间进行统计,分析合金蠕变寿命突变的临界氧含量。
For the FGH96 alloy after the optimized microstructure, creep experiments at 700 ° C and 690 MPa were carried out on the electronic creep testing machine (RDL100, SINOTEST). The time required for alloys with different oxygen contents to reach a residual strain of 0.2% was statistically analyzed, and the critical oxygen content for the sudden change in creep life of the alloys was analyzed.