Title:
ALUMINUM ALLOY INGOT, ALUMINUM ALLOY MATERIAL, AND METHOD FOR MANUFACTURING ALUMINUM ALLOY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/084864
Kind Code:
A1
Abstract:
Provided is an aluminum alloy ingot that can be advantageously used as a raw material for an aluminum alloy material (product) having improved tensile strength. The aluminum alloy ingot contains 0.3-1.0 mass% of Cu, 0.6-1.2 mass% of Mg, 0.9-1.4 mass% of Si, 0.4-0.6 mass% of Mn, 0.1-0.7 mass% of Fe, 0.09-0.25 mass% of Cr, and 0.012-0.035 mass% of Ti. In the aluminum alloy ingot, in an X-ray diffraction pattern measured using the Cu-Kα line, the peak height of a diffraction peak at a diffraction angle 2θ of 41.6-42.0° is smaller than six times the standard deviation of the background X-ray intensity in the full-width-at-half-maximum range of the diffraction peak, and in a heat-treated item after being heat-treated for one hour at 450°C, the peak height of a diffraction peak at a diffraction angle 2θ of 41.6-42.0° is at least 15 times the standard deviation of the background X-ray intensity in the full-width-at-half-maximum range of the diffraction peak.
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Inventors:
TOMITA YUTO (JP)
KIMURA YOSHIFUMI (JP)
KIMURA YOSHIFUMI (JP)
Application Number:
PCT/JP2022/031810
Publication Date:
May 19, 2023
Filing Date:
August 24, 2022
Export Citation:
Assignee:
RESONAC CORP (JP)
International Classes:
C22C21/02; C22C21/06; C22F1/05; B22D11/00; B22D11/04; B22D11/22; C22F1/00
Domestic Patent References:
| WO2011046196A1 | 2011-04-21 |
Foreign References:
| JP2021143372A | 2021-09-24 | |||
| JP2021143371A | 2021-09-24 | |||
| JP2021143370A | 2021-09-24 | |||
| JP2021143369A | 2021-09-24 | |||
| JPH07258784A | 1995-10-09 | |||
| JP2008163445A | 2008-07-17 |
Attorney, Agent or Firm:
OIKAWA Shu et al. (JP)
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