HIGH-STRENGTH AND HIGH-TOUGHNESS IMPACT-RESISTANT ENERGY-ABSORBING AL-MG-SI ALLOY

The present disclosure belongs to the technical field of aluminum alloy materials, and in particular relates to a high-strength and high-toughness impact-resistant energy-absorbing Al-Mg-Si alloy. The Al-Mg-Si alloy of the present disclosure comprises Mg 0.40-1.00%, Si 0.50-0.90%, Mn≤0.60%, Cr≤0.30%...

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Bibliographische Detailangaben
Hauptverfasser:	GU, Chunming, JIANG, Haichun, RAN, Qingrong, LIU, Canwei, SONG, Zhengcheng, JING, Jiaming, SUN, Yuling
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present disclosure belongs to the technical field of aluminum alloy materials, and in particular relates to a high-strength and high-toughness impact-resistant energy-absorbing Al-Mg-Si alloy. The Al-Mg-Si alloy of the present disclosure comprises Mg 0.40-1.00%, Si 0.50-0.90%, Mn≤0.60%, Cr≤0.30%, Fe≤0.25%, Al 96.8-99.1% in percentage by mass, wherein Sifree=Si-0.3×(Mn+Fe+Cr), a mass ratio of Mg/Sifree is 0.72-1.40, and a percentage by mass of Mg+2Sifree is 1.40%-2.40%. The aluminum alloy not only has excellent conventional mechanical properties, but also has good bending toughness and outstanding crushing and impact-resistant energy-absorbing properties.