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Multiphysics FEM Simulation of Contour Induction Hardening Process on Aeronautical Gears

机译:航空齿轮轮廓感应硬化过程的多体学报

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Induction heating has been widely used by the heat treatment industry mainly in the wind-power and automotive sectors,in particular for hardening purposes,in a broad range of applications,its main advantages being the high repeatability and easy automation of the process,both factors leading to improved manufacturing efficiency and reduced CO2 emissions.Though,traditional furnace-based case hardening treatments still represent the choice of reference when performance requirements are particularly demanding,either for the critical operating conditions or safety-related issues.The processes of CIH(Contour Induction Hardening),compared to the traditional carburizing processes,allows to reduce the deformations after heat treatment.The main purpose of these treatments,as well as increases the surface hardness of the piece,is to induce compressive stresses in the superficial layer,improving the fatigue behavior.A multiphysics magneto-thermal simulation can be developed in order to calculate the temperature distribution in the gear,setting the input parameters such as currents,frequencies and treatment times.
机译:感应加热已被热处理行业广泛应用于风力和汽车领域,特别是为了硬化目的,在广泛的应用中,其主要优点是该过程的高可重复性和易于自动化,这两个因素引领制造效率提高和减少二氧化碳排放量。虽然,当绩效要求尤其要求尤为苛刻时,传统的炉子壳体硬化处理仍然代表参考的选择,用于临界操作条件或与安全相关的问题。CIH(轮廓与传统的渗碳过程相比,感应硬化允许减少热处理后的变形。这些处理的主要目的,以及增加该件的表面硬度,是在浅表层中诱导压缩应力,改善疲劳行为。可以开发Multiphysics磁热模拟以便计算齿轮中的温度分布,设置电流,频率和处理时间的输入参数。

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