Analysis of Survivability of Cast Railroad Parts under Operational Loading

IF 0.4 Q4 ENGINEERING, MECHANICAL
S. G. Lebedinskii, O. V. Barmina
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引用次数: 0

Abstract

A comparison of the patterns of development of fatigue cracks in the modeling of the operational loading process and the calculated pattern, according to the linear summation algorithm using the standard fatigue fracture kinetic diagram of the same material, is carried out. The material is the low-alloy steel type 20L. During the tests, the load on a curved railway track section was simulated. The parameters of the original fatigue fracture kinetic diagram of material were corrected to adapt it to the calculation under irregular loading of this type.

Abstract Image

铁路铸造件在运行荷载作用下的生存性分析
根据使用相同材料的标准疲劳断裂动力学图的线性求和算法,对操作载荷过程建模中的疲劳裂纹发展模式与计算模式进行了比较。材料为20L型低合金钢。在试验过程中,对曲线铁路轨道段的荷载进行了模拟。对原材料疲劳断裂动力学图的参数进行了修正,使其适应这种类型的不规则载荷下的计算。
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来源期刊
CiteScore
0.80
自引率
33.30%
发文量
61
期刊介绍: Journal of Machinery Manufacture and Reliability  is devoted to advances in machine design; CAD/CAM; experimental mechanics of machines, machine life expectancy, and reliability studies; machine dynamics and kinematics; vibration, acoustics, and stress/strain; wear resistance engineering; real-time machine operation diagnostics; robotic systems; new materials and manufacturing processes, and other topics.
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