Al-Zn-Mg-Cu alloy chemical component design method and application
The invention discloses an Al-Zn-Mg-Cu alloy chemical component design method and application, and the Al-Zn-Mg-Cu alloy chemical component design method is characterized in that the action mechanism of main alloying elements in the alloy on the alloy structure performance is researched, and the act...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an Al-Zn-Mg-Cu alloy chemical component design method and application, and the Al-Zn-Mg-Cu alloy chemical component design method is characterized in that the action mechanism of main alloying elements in the alloy on the alloy structure performance is researched, and the action mechanism of the main alloying elements in the alloy is researched in combination with phase diagram thermodynamic calculation; the invention provides an ultrahigh-strength and high-toughness Al-Zn-Mg-Cu alloy component design criterion, in the Al-Zn-Mg-Cu alloy, the eta phase precipitation amount, the (Zn + Mg) total amount and the Zn/Mg ratio need to meet the function relation of the formula 1, the Al-Zn-Mg-Cu alloy chemical components designed by the Al-Zn-Mg-Cu alloy chemical component design method provided by the invention are applied, the tensile strength of the finally prepared Al-Zn-Mg-Cu alloy is higher than 650 MPa, the tensile strength of the Al-Zn-Mg-Cu alloy is higher than 150 MPa, the tensile str |
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