Cast aluminum alloy material with high strength and high yield-tensile ratio, and preparation method thereof
A technology for casting aluminum alloys and aluminum alloy materials, which is applied in the field of metal materials, can solve the problems of unsatisfactory structural optimization design, low performance of die castings, and hindering the application of alloys, etc., achieve good self-strengthening characteristics, improve mold life, and reduce heat loss. cracking tendency
Inactive Publication Date: 2018-06-29
潘换珍 +1
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Abstract
The invention discloses a cast aluminum alloy material with high strength and a high yield-tensile ratio. The alloy material is prepared from the chemical components in percentage by weight: 13.0 to 19.0 percent of Zn, 8.0 to 13.0 percent of Si, 1.0 to 3.0 percent of Cu, 0.05 to 0.30 percent of Mg, 0.10 to 0.50 percent of Mn, 0.15 to 0.80 percent of Fe, 0.05 to 0.25 percent of Ti, 0.05 to 0.20 percent of RE, and the balance of aluminum and other impurity elements, wherein the content of the other impurity elements is less than or equal to 0.15 percent.
Technology Topic
Aluminium alloyImpurity
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PUM
Property | Measurement | Unit |
Tensile strength | 320.0 ~ 400.0 | mPa |
Yield strength | 280.0 ~ 360.0 | mPa |
Hardness | 130.0 ~ 170.0 |
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