Tractices show that eht present computer program is a rathersimple and convenient method which can be used satisfactorily in analysingthe results of surface fatigue crack-growth tests arid in predicting crack propagation life.

• 实践表明:本文推荐的两套计算程序是处理分析表面裂纹疲劳扩展速率试验数据和估算裂纹扩展寿命的简便而有效的好方法。