ALUMINUM ALLOY PLASTIC WORKING MATERIAL AND PRODUCTION METHOD THEREFOR
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United States of America Patent
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Oct 17, 2019
app pub date -
Jun 30, 2017
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Jul 12, 2016
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Abstract
The present invention provides an aluminum alloy plastic working material which has a low Young's modulus, but has an excellent proof stress and a method for efficiently producing the same. The aluminum alloy plastic working material of the present invention comprises: 5.0 to 10.0 wt % of Ca, and the remainder aluminum and unavoidable impurities, a volume ratio of an Al4Ca phase, which is a dispersed phase, is 25% or more. The Al4Ca phase comprises a tetragonal Al4Ca phase and a monoclinic Al4Ca phase, and an intensity ratio (I1/I2) of the highest diffraction peak (I1) attributed to the tetragonal system to the highest diffraction peak (I2) attributed to the monoclinic system, which are obtained by an X-ray diffraction measurement, is 1 or less.
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