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采用L-M法和θ-投影法对S31803耐热不锈钢材料在高温下的蠕变寿命进行预测。结果表明,两种方法的预测结果大致相同,但采用θ-投影法的结果与材料的实际寿命更加吻合。
The creep life of S31803 heat-resistant stainless steel at high temperature was predicted by L-M method and θ-projection method. The results show that the prediction results of the two methods are roughly the same, but the result of the θ-projection method is more consistent with the actual life of the material.