Alloy material easy to mold at a time

An alloy material and uniform technology, applied in the field of alloys, can solve the problems of low strength and unsuitability of pure aluminum, and achieve the effect of smooth surface, high impact toughness and high strength

Inactive Publication Date: 2016-01-06
蚌埠冠宜型材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength of pure aluminum is very lo

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: An alloy material that is easy to form at one time is characterized in that the alloy material includes the following components by weight: 0.2% zirconium, 0.1% zinc, 5% silicon, 0.02% strontium, 0.05% molybdenum, 0.1% nickel, 0.08% copper, 0.02% scandium, 2ppm cymbals; the balance is aluminum and impurities with a content of less than 0.1%.

[0015] The alloy material comprises substantially uniformly dispersed zinc aluminide particles having an equivalent diameter of 80 nm.

[0016] The alloy material comprises substantially uniformly dispersed scandium aluminide particles having an equivalent diameter of 80 nm.

Embodiment 2

[0017] Embodiment 2: An alloy material that is easy to form at one time is characterized in that the alloy material includes the following components by weight: 0.4% zirconium, 0.3% zinc, 7% silicon, 0.1% strontium, 0.2% molybdenum, 0.3% nickel, 0.3% copper, 0.04% scandium, 15ppm cymbals; the balance is aluminum and impurities with a content of less than 0.1%.

[0018] The alloy material comprises substantially uniformly dispersed zinc aluminide particles having an equivalent diameter of 60 nm.

[0019] The alloy material comprises substantially uniformly dispersed scandium aluminide particles having an equivalent diameter of 60 nm.

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Abstract

The invention relates to the technical field of alloys, in particular to an alloy material easy to mold at a time. The alloy material is characterized in that the alloy material comprises, by weight, 0.2-0.4% of zirconium, 0.1-0.3% of zinc, 5-7% of silicon, 0.02-0.1% of strontium, 0.05-0.2% of molybdenum, 0.1-0.3% of nickel, 0.08-0.3% of copper, 0.02-0.04% of scandium, 2-15 ppm of beryllium, and the balance aluminum and less than 0.1% of impurities. Castings cannot crack due to uneven cooling in the cooling process, and the cooling speed is 5% higher than that of conventional alloys. Accordingly, castings cast through one-step molding are smooth in surface and high in strength and impact toughness.

Description

Technical field: [0001] The invention relates to the technical field of alloys, in particular to an alloy material which is easy to form at one time. Background technique: [0002] Aluminum alloy is an extended product of pure aluminum. The density of pure aluminum is small (ρ=2.7g / m3), about 1 / 3 of that of iron, and its melting point is low, about 660°C. Aluminum has a face-centered cubic structure, so it has High plasticity (δ: 32-40%, ψ: 70-90%), so it is easy to process, can be made into various profiles and plates, and has good corrosion resistance. However, the strength of pure aluminum is very low, so it is not suitable for structural materials. Through long-term production practice and scientific experiments, people have gradually strengthened aluminum by adding alloying elements and using heat treatment, which resulted in a series of aluminum alloys. In the one-time molding process, when manufacturing large parts, due to uneven thickness and different cooling rate...

Claims

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Application Information

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IPC IPC(8): C22C21/02
Inventor 施文明薛君南
Owner 蚌埠冠宜型材科技有限公司
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