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Aluminum alloy forging process characteristics

- Mar 08, 2018 -

Speaking of aluminum alloy forging process characteristics, we must first pay attention to about forging deformation of aluminum forging process definition is the role of aluminum alloy under the action of external mold filling groove capacity. High malleability, that is, blanks filled with mold-type groove ability.

 

Deformation of aluminum alloy forging process forgability measurement is due to commonly used malleable metal plastic deformation and resistance to a comprehensive measure of its plasticity is higher, the deformation resistance will be smaller, then its forging Sex will be better. Malleability depends on the nature of the aluminum alloy (plasticity and strength limits) and processing conditions. Malleability is a measure of the ease of processing metal to obtain superior parts through plastic working.

 

Aluminum alloy forging process of high temperature deformation resistance is one of the characteristics because of its high temperature deformation resistance of a large difference. Aluminum alloy deformation resistance (also known as flow stress) will vary significantly with the composition of some low-strength aluminum and medium-strength aluminum alloy, such as the 6000 series aluminum high temperature deformation resistance will be lower, and high-strength aluminum Alloy especially refers to ai-zn-mg-cu aluminum alloy, such as 7000 series aluminum alloy high temperature deformation resistance higher.

 

In the actual aluminum alloy forging process, pay attention to the deformation resistance of most commonly used aluminum alloy deformation at room temperature lower than carbon steel, but its high temperature deformation resistance of three: lower than carbon steel, carbon steel, as well as carbon Steel high.

 

After that, when it comes to aluminum alloy forging process, we should pay attention to the aluminum alloy deformation resistance is more sensitive to temperature (with temperature increase or decrease rapidly changing), along with the temperature drop, the high temperature deformation resistance growth is relatively rapid, more than carbon steel fast. In comparison, the ultimate strength of high-temperature strength increases faster than that of carbon steel, and the temperature of carbon steel and low-alloy steel drops by 100 degrees Celsius, and the ultimate strength can be increased by 50%. And when the temperature of the aluminum alloy drops by 50 degrees Celsius, its ultimate strength will increase by 50% to 300%.

 

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