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首页> 外文会议>Annual Meeting Exhibition of The Minerals, Metals Materials Society >Creep Behavior of a AlSiMg Alloy Produced by Additive Manufacturing
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Creep Behavior of a AlSiMg Alloy Produced by Additive Manufacturing

机译：添加剂制造生产的Alsimg合金的蠕变行为

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摘要

The present study aims at investigating the effect of the peculiar microstructure of additive manufactured samples on the creep behavior of an AlSi10Mg alloy. Constant load creep experiments were carried out between 150 and 205 °C on samples produced by powder bed fusion additive manufacturing (AM). The specimens were mostly strained up to rupture, although in some cases the tests were interrupted at the early onset of the tertiary region. By analyzing the time to rupture, in the different load and temperature conditions, as a function of the applied stress, it can be clearly seen that the alloy produced by AM is substantially comparable, in terms of time to rupture, with an alloy of similar composition, tested in the die-cast state. The high values of the stress exponent suggest that the creep behavior is strongly affected by the presence of secondary-phase particles.
机译：本研究旨在研究添加剂制备样品的特殊微观结构对Alsi10mg合金的蠕变行为的影响。在由粉床融合添加剂制造（AM）产生的样品上进行恒定载荷蠕变实验在150和205℃之间进行。这些标本大多应紧张破裂，尽管在某些情况下，测试在第三区域的早期发作中断。通过分析破裂的时间，在不同的负载和温度条件下，作为施加的应力的函数，可以清楚地看出，在发生破裂的时间方面，AM产生的合金基本上是可比的，其具有相似的合金组合物，在压铸状态下测试。应力指数的高值表明蠕变行为受二级阶段颗粒存在的强烈影响。

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