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Controlled Quenching of Aluminum Alloys in Flexible Spray Fields

机译：柔性喷射田铝合金的控制淬火

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During heat treatment of age hardenable aluminum alloys, the resulting mechanical properties are particularly influenced by the quenching process. To achieve the required strength, a high quenching rate after solution annealing is necessary, otherwise a homogeneous distribution of quenching intensity should be realized in order to avoid distortion. Controlled quenching within the heat treatment process of aluminum components can be realized by flexible spray fields. Suitable heat transfer conditions of the component are achievable by adjusted flexible flow fields (local and/or temporal) based on simulation of heat transfer by Computational Fluid Dynamics (CFD). By the use of gas-(air), spray-(water/air) or jet-(water) flow fields, it is possible to adapt the quenching intensity to the part geometry and/or to the load profile in order to influence the mechanical properties as well as the distortion after heat treatment. For this purpose, a flexible spray nozzle field was integrated into heat treatment process for age hardening of different wrought-, cast-, and spray-formed aluminum alloys.
机译：在年龄可硬化铝合金的热处理期间，所得到的机械性能特别受淬火过程的影响。为了达到所需的强度，需要在溶液退火后的高淬火速率，否则应实现淬火强度的均匀分布，以避免变形。在铝部件的热处理过程中可以通过柔性喷射领域实现控制淬火。基于通过计算流体动力学（CFD）的传热模拟，可以通过调节的柔性流场（局部和/或时间）来实现该部件的合适传热条件。通过使用气体（空气），喷雾 - （水/空气）或喷射（水）流场，可以使淬火强度适应部件几何形状和/或负载轮廓以影响机械性能以及热处理后的变形。为此目的，柔性喷嘴场被整合到热处理过程中，以实现不同锻造，铸造和喷涂铝合金的年龄硬化。

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