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Two strengthening methods for aluminium plate

addtiame:2016/11/01 click:
Two strengthening methods for aluminium plate

Different industries and fields on the properties of aluminum with different requirements in the mechanical processing industry, particularly strict requirements on the hardness of hardening, which requires in the aluminum production process, in order to improve the hardness of, meet performance requirements. At present, there are two main processing methods, namely, the processing of strengthening and solid solution strengthening, the following two methods to make a brief introduction:

Processing reinforced aluminum sheet

Also known as cold hardening hardening, aluminum is the recrystallization temperature of cold deformation processing such as forging, rolling, drawing, drawing, cold deformation, plate internal dislocation density increases, and the entanglement and the formation of cellular structure, hindering the movement of dislocation. The deformation of high dislocation tangles more serious, the greater the deformation resistance, the higher the strength. The degree of hardening after cold deformation varies with the degree of deformation, deformation temperature and the properties of the material itself. When the same material is cold at the same temperature, the higher the degree of deformation, the lower the strength of the same material.

Solid solution strengthened aluminum plate

Adding some alloy elements into the pure aluminum to form an infinite solid solution or a finite solid solution, not only can obtain high strength, but also can obtain excellent plasticity and good pressure processing performance. The most commonly used alloying elements in aluminum plate are copper, magnesium, manganese, zinc, silicon, nickel and so on. General aluminum alloy to form solid solution, limited such as Al-Cu, Al-Mg, Al-Zn, Al-Si, Al-Mn and other two yuan alloys form limited solid solution, and has higher solubility can greatly limit the effect of solid solution strengthening.

After the strengthening of the aluminum plate, the hardness of the performance will be improved significantly, but the hardness can not always promote it; when the hardness reached the upper limit, regardless of the method, can continue to improve the hardness of the foundation, can only choose the hardness higher grades