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1. 中北大学车辆与动力工程系
2. 装甲兵驻长春地区军代表
纸质出版:2006
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吕彩琴, 王良, 苏铁熊. 发动机气缸盖材料的疲劳性能研究[J]. 中北大学学报(自然科学版), 2006,(1):23-26.
吕彩琴, 王良, 苏铁熊. A Research on the Fatigue Property of Engine Cylinder Cap[J]. 2006, (1): 23-26.
采用大子样升降法
分析了整体铸造铝合金缸盖材料的疲劳特性
求出其在一定可靠度和一定置信度下的疲劳强度极限及其标准偏差.研究表明
该气缸盖材料的S-N曲线存在近似的直线
即存在疲劳强度极限值
为缸盖疲劳寿命的进一步研究提供材料特性依据.
The fatigue characteristics of casted engine cylinder by aluminum alloy has been analyzed by using staircase method.Fatigue strength limit and standard deviation have been determined under a certain reliability and validity.The research indicates that the S-N curve of the cylinder contains a section of straight line
which means it has a limit of fatigue strength.The result offers the foundation for further research on fatigue life of cylinder.
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