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Finite Element Wear Behaviour Modeling of Super duplex stainless steel AISI 2507 Using Ansys

机译:Super Duplex不锈钢AISI 2507使用ANSYS的有限元磨损行为建模

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In this paper the finite element simulation approach has been employed for the work that has been recently carried out by Davanageri et al.(2017). The super duplex stainless steel AISI 2507 material was heat treated at 850°C with different ageing time(30,60,90 minutes),followed by water quench. The heat treatment was carried out to encourage the precipitation of inter-metallic secondary sigma phase(σ). The study of dry sliding wear behavior was carried out with the pin-on-disc equipment. The heat treatment and ageing time increases the hardness of the duplex steel,resulting in improved wear resistance. The Archard wear model and finite element software ANSYS WORKBENCH-16 was used to determine the wear volume loss. The specific wear rate or dimensional wear coefficient is the most significant factor in the wear volume calculation and it varies with material and operating parameters. The study shows that frictional coefficient varies with material properties(hardness)at similar operating condition. Finally the results reveal that there is a good agreement that exists between the simulated(FE)values and those of the experimental values.
机译:本文在最近由Davanageri等人进行的工作中受雇了有限元模拟方法。(2017)。超级双相不锈钢AISI 2507材料在850°C下热处理,具有不同的老化时间(30,60,90分钟),然后进行水淬火。进行热处理以促进金属间仲σ相(σ)的沉淀。用销盘机设备进行干滑动磨损行为的研究。热处理和老化时间增加了双相钢的硬度,导致耐磨性改善。 Archard磨损模型和有限元软件ANSYS Workbench-16用于确定磨损体积损耗。具体的磨损率或尺寸磨损系数是磨损体积计算中最重要的因素,它随着材料和操作参数而变化。该研究表明,摩擦系数在类似的操作条件下的材料特性(硬度)变化。最后,结果表明,模拟(FE)值与实验值之间存在良好的一致性。

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