To determine the principal maximal stress-straincycle of engine components is an important step in research on engine components' life.
确定发动机零部件的最大应力应变循环是进行零部件寿命研究的重要内容之一。
2
The result shows that using the residue stress we can calculate accurately the maximal stress-straincycle, which is the main factor influencing component life.
研究结果表明,该方法可以较准确地确定影响零部件寿命主要因素的最大应力应变循环。
3
In order to avoid the difficulty and expensive measurement of transient temperature field, a method for maximal stress and straincycle calculation using residue stress is proposed.