A high-strength and high-toughness aluminum alloy wheel die forging and its preparation method

A high-strength, high-toughness, aluminum alloy technology, applied in the field of high-strength, high-toughness aluminum alloy wheel die forgings and its preparation, can solve the problem that the aluminum alloy material cannot meet the requirements of high strength, high toughness, corrosion resistance, and light weight, and the wheel cannot have high strength at the same time , high toughness and other issues, to achieve the specified non-proportional elongation strength and elongation after break performance, excellent comprehensive mechanical properties, and good surface quality
CN112442619BActive Publication Date: 2021-11-26山东骏程金属科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
山东骏程金属科技有限公司
Publication Date
2021-11-26
Patent Text Reader

Abstract

The invention belongs to the technical field of alloy materials, and in particular relates to a high-strength and high-toughness aluminum alloy wheel die forging and a preparation method thereof. The high-strength and high-toughness aluminum alloy wheel die forging is composed of the following elements by mass percentage: Si: 0.78-0.84%, Mg: 1.18%-1.24%, Cu: 0.38%-0.42%, Fe: 0.20%-0.25%, Mn: 0.12% to 0.15%, Cr: 0.23% to 0.26%, Ti: 0.01% to 0.05%, Sc: 0.01% to 0.03%, and the balance Al. The present invention optimizes the alloy composition, assists in adding silicon nitride powder, and adopts optimized aluminum rod heating process, solid solution and aging process after die forging to meet the comprehensive performance requirements of aluminum alloy die forgings, and the prepared aluminum alloy die forgings The surface quality is good, the performance of finished forgings in industrial production is good, and the comprehensive mechanical properties are excellent.
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Description

technical field

[0001] The invention belongs to the technical field of alloy materials, and in particular relates to a high-strength and high-toughness aluminum alloy wheel die forging and a preparation method thereof. Background technique

[0002] High-strength aluminum alloy has the characteristics of low density, high strength, good processing performance and good welding performance, and is widely used in aerospace, aviation industry and civil industry and other fields. Especially in the aviation industry, it occupies a very important position and is one of the main structural materials in the aerospace industry. At present, the aluminum alloys commonly used for automobile aluminum alloy wheels on the market include Al-Mg-Si 6061 alloy, which has average strength and toughness; A356 alloy, which has poor strength and toughness, cannot solve the problem of high strength and high toughness, and cannot meet the needs of the military field. Requirements for high strength, h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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