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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Study of the deep drawing behavior and crystallographic texture of AA 3104-H19 aluminum alloy sheets
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Study of the deep drawing behavior and crystallographic texture of AA 3104-H19 aluminum alloy sheets

机译：AA 3104-H19铝合金薄板的深冲行为和晶体学研究

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摘要

The aluminum alloy 3104, H19 temper, is commonly used in the production of two-piece beverage cans. The objective of the present study is to compare three different rolled sheets of this alloy. All three of them are routinely used in production lines dedicated to can manufacturing. The yield strength for all three was found around 265 MPa, the ultimate tensile strength 281 MPa, and the average elongation 4.19%. The strain hardening exponent (n) was similar for all three sheets, averaging 0.078. The plastic strain ratios for planar anisotropy (Delta R) and for normal anisotropy ((R) over bar) were found to be near zero and 0.4, respectively. Values of Delta R near zero indicate there is no earing tendency. The crystallographic texture analysis yielded four dominating components: Brass ({110}< 112 >) and Copper ({112}< 111 >), which are typical of strain hardened aluminum, Cube ({001}< 100 >), usually associated with recrystallization, and Goss ({110}< 001 >). Such a texture would be conducive to balanced earing. The metallographic images for all three sheets were alike, with constituents not homogeneously distributed and with similar size and chemical compositions in addition to dispersoids finely spread throughout the aluminum matrix. The Erichsen tests also showed alike results with an average of 4.6 mm before failure.
机译：铝合金3104，H19回火，通常用于生产两件式饮料罐。本研究的目的是比较该合金的三种不同的轧制板。这三者通常都在专用于罐头制造的生产线中使用。三种材料的屈服强度均为265 MPa，极限抗拉强度为281 MPa，平均伸长率为4.19％。所有三张纸的应变硬化指数（n）均相似，平均为0.078。发现平面各向异性（ΔR）和法向各向异性（（R）超过条）的塑性应变比分别接近零和0.4。 Delta R的值接近零表示没有耳倾向。晶体织构分析得出四个主要成分：黄铜（{110} <112>）和铜（{112} <111>），它们是应变硬化铝的典型特征，立方（{001} <100>），通常与重结晶和戈斯（{110} <001>）。这样的质地将有利于平衡耳朵。所有三个板的金相图像都是相似的，除了弥散分布在整个铝基体上的弥散体以外，成分分布不均，尺寸和化学成分相似。埃里克森（Erichsen）测试还显示出相似的结果，平均故障前为4.6毫米。

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