Process method capable of improving comprehensive mechanical property of multielement zinc-aluminum alloy

A zinc-aluminum alloy and comprehensive mechanics technology is applied in the field of improving the comprehensive mechanical properties of multi-element zinc-aluminum alloys, and can solve the problems of low dimensional stability, poor creep resistance, and low working temperature.

Inactive Publication Date: 2012-10-10
ZHENJIANG YINUOWEI SHAPE MEMORY ALLOYS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, aluminum-zinc alloys also have disadvantages such as poor plasticity and toughness, low dimensional stability, low working temperature, poor creep resistance, and poor corrosion resistance.

Method used

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  • Process method capable of improving comprehensive mechanical property of multielement zinc-aluminum alloy

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Experimental program
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Effect test

Embodiment 1

[0010] Based on industrial aluminum ingot No. A00, zinc ingot No. 0, electrolytic copper, composite modifier (including Ni20-30%, Ti15-25%, Mn5-15%, Cr5-15%, Si5-10%, Ce5-10%, La5-10%, Y1-6%, Nb1-6%, V1-6%, the remainder is aluminum), pure magnesium as raw materials. The composition is calculated by weight percentage, weighing according to the proportion of Al28%, Cu2.3% (in the form of aluminum copper master alloy containing 50% copper), composite modifier 0.6%, Mg 0.015%, and the balance being Zn. Melting in an intermediate frequency induction melting furnace. The smelting process is as follows: first add aluminum ingots, zinc ingots, aluminum-copper intermediate alloys, and composite modifiers. After the materials are all melted, heat up to 600~650℃ and keep them for 6min-8min to homogenize the elements in order to reduce the burning loss of magnesium Use the bell jar to press the magnesium into the molten metal, and use the 0.2% dehydrated ZnCl containing the molten metal ...

Embodiment 2

[0012] Based on industrial aluminum ingot No. A00, zinc ingot No. 0, electrolytic copper, composite modifier (including Ni20-30%, Ti15-25%, Mn5-15%, Cr5-15%, Si5-10%, Ce5-10%, La5-10%, Y1-6%, Nb1-6%, V1-6%, the remainder is aluminum), pure magnesium as raw materials. The composition is calculated by weight percentage, weighing according to the proportion of Al28%, Cu2.3% (in the form of aluminum copper master alloy containing 50% copper), composite modifier 0.6%, Mg 0.015%, and the balance being Zn. Melting in an intermediate frequency induction melting furnace. The smelting process is as follows: first add aluminum ingots, zinc ingots, aluminum-copper intermediate alloys, and composite modifiers. After the materials are all melted, heat up to 600~650℃ and keep them for 6min-8min to homogenize the elements in order to reduce the burning loss of magnesium Use the bell jar to press the magnesium into the molten metal, and use the 0.2% dehydrated ZnCl containing the molten metal ...

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Abstract

The invention relates to a multielement zinc-aluminum alloy capable of improving comprehensive mechanical property, belonging to the technical field of zinc-aluminum alloy preparation. The multielement zinc-aluminum alloy is characterized in that the multielement zinc-aluminum alloy is prepared from the following raw materials: industrial aluminum ingot NO.A00, zinc ingot NO.0, electrolytic copper, composite modifier and pure magnesium, wherein the composite modifier contains 20-30% of Ni, 15-25% of Ti, 5-15% of Mn, 5-15% of Cr, 5-10% of Si, 5-10% of Ce, 5-10% of La, 1-6% of Y, 1-6% of Nb, 1-6% of V and the balance of aluminum; the multielement zinc-aluminum alloy is smelted in a medium-frequency induction melting furnace after weighing 27-29% of Al, 2-2.5% of Cu (added in the form of aluminum-copper intermediamidstfrequencye alloy containing 50% of copper ), 0-1.2% of composite modifier, 0.01-0.02% of Mg and the balance of Zn based on percentage by weight. A round-rod-shaped blank iscasted by a common metal type and metal type vibrational casting method, and then processed to a national standard test rod to be subjected to mechanical property testing.

Description

Technical field [0001] The invention belongs to the technical field of zinc aluminum alloy preparation, and particularly refers to a process method that can improve the comprehensive mechanical properties of multiple zinc aluminum alloys. Background technique [0002] The application and development of aluminum-zinc alloys was one of the hot spots in the field of metal materials research in the 1980s and 1990s. This is because as a substitute material for copper, tin and their alloys, aluminum-zinc alloy has the advantages of high tensile strength and hardness, good damping, good wear resistance, small friction coefficient, low friction temperature rise, and low material and manufacturing costs. . However, aluminum-zinc alloys also have disadvantages such as poor plastic toughness, low dimensional stability, low working temperature, poor creep resistance, and poor corrosion resistance. Over the years, people have made unremitting efforts to overcome these shortcomings in order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/04C22C21/10C22C1/03C22C1/06C22C30/06B22D1/00
Inventor 李晓薇杨嵩司松海刘光磊陆松华
Owner ZHENJIANG YINUOWEI SHAPE MEMORY ALLOYS
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