Co-Mo-RE high-strength heat resistant aluminum alloy material and preparation method thereof

An aluminum alloy material, co-mo-re technology, applied in the field of aluminum alloy materials of microalloying elements and rare earth elements and its preparation, can solve the problem of extensive melt treatment process, low product yield, waste material and slag recycling Poor usability and other issues
CN102021372BInactive Publication Date: 2013-08-21GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
Publication Date
2013-08-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a high-strength heat resistant aluminum alloy material and a preparation method thereof. The material comprises the following components in percentage by weight: 1.0-10.0 percent of Cu, 0.05-1.5 percent of Mn, 0.01-0.5 percent of Cd, 0.01-0.5 percent of Ti, 0.01-0.2 percent of B, 0.01-1.0 percent of Zr, 0.01-1.0 percent of Co, 0.01-1.0 percent of Mo, 0.05-5 percent of RE and the balance of aluminum. In the invention, under the guidance of high-quality melts, solid solutions and a phase diagram theory, through optimizing the formulas of main alloy elements of Cu, Mn andRE, the alloy quasi solid-phase temperature range is reduced and the problems of large heat tearing tendency, low product high-temperature strength, and the like are solved; and a low-cost multielement microalloy element formula is optimized, which creates a material base condition for the culture and the grain refining of a high-temperature phase and a strengthening phase in solid solutions so as to finally develop the high-strength heat resistant aluminum alloy material.
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Description

Technical field

[0001] The invention relates to an aluminum alloy material and a preparation method thereof, in particular to an aluminum alloy material of microalloying elements and rare earth elements and a preparation method thereof. Background technique

[0002] Aluminum alloy is a relatively young metal material, which only started industrial application in the early 20th century. During the Second World War, aluminum was mainly used to manufacture military aircraft. After the war, due to the sudden drop in the military industry’s demand for aluminum, the aluminum industry began to develop civilian aluminum alloys, and its application range was expanded from the aviation industry to the construction industry, container and packaging industry, transportation, power and electronics industry, Various sectors of the national economy, such as machinery manufacturing and petrochemical industries, are applied to people's daily lives. At present, aluminum is used in a large amount...

Claims

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