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Fatigue strength assessment of AISi7Mg castings

机译:AISi7Mg铸件的疲劳强度评估

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摘要

Fatigue properties of light alloy cast components are greatly affected and scattered by the presence of defects ad inhomogeneities caused by the casting process.The evaluations of the fatigue strength of Al alloy castings are usually made with empirical parameters and relation-ships that do not lead to an accurate predication of the lower limit of fatigue properties.Moreover the traditional approaches do not allow a distinction between the different effects of the material type the and of the manufacturing process.
机译:轻合金铸件的疲劳性能受铸造过程中缺陷和不均匀性的影响而大大影响和分散。铝合金铸件的疲劳强度评估通常采用经验参数和关系,而不会导致此外,传统方法不允许区分材料类型和制造工艺的不同影响。

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