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Notched tensile properties of AC4CH aluminum alloy casting

机译:AC4CH铝合金铸造的缺口拉伸性能

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摘要

The notched tensile properties of AC4CH alloy, which was often used for structural parts were investigated. The following results were obtained. The notch coefficient was less than 1 and notch-sensitivity was negative. The notch coefficientincreased slightly as defects increased. The notched yield ratio, which corresponded to fracture toughness, decreased with increasing 0.2 % proof stress, while the notched yield ratio increased with decreasing Fe content
机译:研究了常用于结构部件的AC4CH合金的缺口拉伸性能。 获得了以下结果。 凹口系数小于1,缺口敏感性为阴性。 随着缺陷的增加,凹口系数略微增加。 与断裂韧性相对应的缺口屈服比随着0.2%的抗照应力而降低,而缺口产量比随着Fe含量的降低而增加

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