High-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy containing gadolinium and yttrium rare earth elements and preparation method thereof
A technology of deforming magnesium alloys and light rare earth elements, which is applied in the field of magnesium alloy materials, can solve problems affecting the advantages of magnesium alloys in light weight, and achieve the effects of improving comprehensive mechanical properties, refining grain size, and ensuring strength and toughness
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Example Embodiment
[0019] Example 1
[0020] The high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy Mg-0.5Ca-0.2Mn-0.5Al-0.1Zn-0.2Gd / Y containing the rare earth element of gadolinium and yttrium, the composition is 0.5 wt. %Ca; 0.2 wt.% Mn; 0.5 wt.% Al; 0.5 wt.% Zn; 0.2 wt.% Gd+Y, the balance is Mg.
[0021] The preparation method of the high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy containing gadolinium and yttrium rare earth element of this embodiment is:
[0022] (1) Weigh the following components according to mass percentage: 0.5 wt.% Ca; 0.2 wt.% Mn; 0.5 wt.% Al; 0.5 wt.% Zn; 0.2 wt.% Gd+Y, the balance is Mg; manganese is A magnesium-manganese master alloy with a manganese content of 6 wt.%, with a metal purity of more than 99%;
[0023] (2) Ingot smelting: under the protection of protective gas, the raw materials are added in two batches: the first batch: add pure magnesium and heat to 740~780℃, fully stir and wait for it to melt; the second batch: add Pure calcium, pure a...
Example Embodiment
[0027] Example 2
[0028] The high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy Mg-0.8Ca-0.1Mn-0.1Al-0.5Zn-2.3Gd / Y containing the rare earth element of gadolinium and yttrium, the composition is 0.8 wt. %Ca; 0.1 wt.%Mn; 0.1 wt.%Al; 0.5 wt.%Zn; 2.3 wt.%Gd+Y, the balance is Mg.
[0029] The preparation method of the high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy containing gadolinium and yttrium rare earth element of this embodiment is:
[0030] (1) Weigh the following components according to mass percentage: 0.8 wt.% Ca; 0.1 wt.% Mn; 0.1 wt.% Al; 0.5 wt.% Zn; 2.3 wt.% Gd+Y, the remainder is Mg; manganese is A magnesium-manganese master alloy with a manganese content of 6 wt.%, with a metal purity of more than 99%;
[0031] (2) Ingot smelting: under the protection of protective gas, the raw materials are added in two batches: the first batch: add pure magnesium and heat to 740~780℃, stir well and wait for it to melt; the second batch: add Pure calcium, pure alum...
Example Embodiment
[0035] Example 3
[0036] The high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy Mg-2.0Ca-1.1Mn-2.0Al-0.5Zn-0.5Gd / Y containing the rare earth element of gadolinium and yttrium, the composition is 2.0 wt. %Ca; 1.1 wt.% Mn; 2.0 wt.% Al; 0.5 wt.% Zn; 0.5 wt.% Gd+Y, the balance is Mg.
[0037] The preparation method of the high-strength Mg-Ca-Mn-Al-Zn series wrought magnesium alloy containing gadolinium and yttrium rare earth element of this embodiment is as follows:
[0038] (1) Weigh the following components according to the mass percentage: 2.0 wt.%Ca; 1.1 wt.%Mn; 2.0 wt.%Al; 0.5 wt.%Zn; 0.5 wt.%Gd+Y, the remainder is Mg; manganese is A magnesium-manganese master alloy with a manganese content of 6 wt.%, with a metal purity of more than 99%;
[0039] (2) Ingot smelting: under the protection of protective gas, the raw materials are added in two batches: the first batch: add pure magnesium and heat to 740~780℃, stir well and wait for it to melt; the second batch: add Pure calc...
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