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Production technique of high-wear-resistance aluminum alloy section

An aluminum alloy profile and production process technology, applied in the field of aluminum alloy materials, can solve problems such as wear resistance that cannot meet higher requirements and poor thermal stability, and achieve improved high temperature stability, strong high temperature stability, and excellent wear resistance. Effect

Inactive Publication Date: 2014-01-01
ANHUI SHENGDA QIANLIANG ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the metal materials used for transmission system parts are mostly lightweight aluminum alloys, and the aluminum alloy materials need to have better mechanical properties of wear resistance. However, with the rapid development of science and technology and industrial economy in recent years, the The requirements for the wear resistance of aluminum alloy materials are getting higher and higher, and the existing wear-resistant aluminum alloys still have the characteristics that the wear resistance cannot meet the higher requirements, and the thermal stability is poor

Method used

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Embodiment Construction

[0014] A production process of high wear-resistant aluminum alloy profile includes the following steps:

[0015] (1) Put the charge into the smelting furnace for heating and smelting. After the charge is melted, sprinkle 3 / 5 amount of covering agent to cover. When the alloy melt is heated to 765°C, use 0.3% NaBF of the charge weight 4 And 0.5% C 2 Cl 6 For refining, put it in the furnace and let it stand for 15 minutes. When the temperature is lowered to 730℃, press the block modifier into the bottom of the furnace for metamorphism treatment. After the metamorphism reaction for 2 minutes, sprinkle the remaining 2 / 5 of the covering agent and let it stand for 14 minutes It can be cast. Before casting, ensure that the mass percentage of each alloy element in the melt is: Si 12-16, Mg 4-6, Zn 2-3, Mn 0.6-1.2, V 0.4-0.8, Cr 0.3-0.5 , Ni 0.2-0.3, Ti 0.18-0.22, Co 0.1-0.15, As 0.03-0.05, In 0.02-0.03, P 0.01-0.02, RE 0.08-0.12, the balance is Al;

[0016] (2) Continuously cast...

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Abstract

The invention discloses a production technique of a high-wear-resistance aluminum alloy section. The alloy comprises the following elements in percentage by mass: 12-16% of Si, 4-6% of Mg, 2-3% of Zn, 0.6-1.2% of Mn, 0.4-0.8% of V, 0.3-0.5% of Cr, 0.2-0.3% of Ni, 0.18-0.22% of Ti, 0.1-0.15% of Co, 0.03-0.05% of As, 0.02-0.03% of In, 0.01-0.02% of P, 0.08-0.12% of RE and the balance of Al. By properly enhancing the Mg element content and optimizing the Si / Mg ratio, abundant Mg2Si phases can be generated in the alloy structure, and the hard granules can obviously enhance the wear resistance of the alloy; and small amounts of As, In and RE added into the alloy structure can improve the high-temperature stability of the alloy. The aluminum alloy section has the advantages of high strength, strong high-temperature stability and excellent wear resistance, and can be widely used in industrial wear-resistant parts.

Description

Technical field [0001] The invention relates to a production process of high wear-resistant aluminum alloy profiles, and belongs to the technical field of aluminum alloy materials. Background technique [0002] Aluminum alloy material has low density, but relatively high strength, close to or exceeds high-quality steel, good plasticity, can be processed into various profiles, has excellent electrical conductivity, thermal conductivity and corrosion resistance, has become the most potential and most widely used One of the metal materials. Generally, the metal materials used for transmission system parts are mostly lightweight aluminum alloys, and the aluminum alloy materials need to have better mechanical properties with better wear resistance. However, with the rapid development of science and technology and industrial economy in recent years, The requirements for the wear resistance of aluminum alloy materials are getting higher and higher, and the existing wear-resistant alumi...

Claims

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Application Information

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IPC IPC(8): C22C1/02C22C1/06C22C21/04
Inventor 徐兴洪
Owner ANHUI SHENGDA QIANLIANG ALUMINUM
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