Classification and use of aluminum
(1) according to whether the alloy composition, aluminum is divided into pure aluminum and aluminum alloy. Aluminum alloy according to the alloy series is divided into Al-Mn alloy, Al-Cu alloy, Al-Si alloy and Al-Mg alloy.
(2) press the processing capacity, can be divided into deformation of aluminum and non-deformation of aluminum (for example: cast aluminum).
(3) according to whether the heat treatment to strengthen, aluminum alloy is divided into non-heat treatment to strengthen the aluminum and heat treatment to strengthen the aluminum. Aluminum does not have allotropes, pure aluminum, aluminum-manganese alloys, aluminum-magnesium alloys, etc. It is impossible to improve the strength by heat treatment phase change. However, aluminum and aluminum and magnesium alloy can be precipitated by solid solution aging to enhance the strength, known as heat treatment to strengthen the aluminum. Can not be precipitated by solid solution aging to enhance the strength of the strengthening of aluminum known as non-heat treatment.
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