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Under the influence of the temperature cycle in the Al-Mg-Si series aluminum alloy aging

Management of the wire, its highest intensity, there are cycles of heat treatment, or after the deformation, or ask at the leisurely time interval of the quenched state in the new cycle of change in temperatures, and found the maximum elongation of the alloy, while conductivity, especially in intensity compared to the same treatment at low T1 more if from the relationship between strength and conductivity point of view, this type of material used for the periodic change in temperature of the processing system is: before deformation (I),[link widoczny dla zalogowanych], after deformation (1V) and in the pass during the interval. That is, in the deformation process (V) then V technology for processing by the best results. This is because in a number of plastic deformation and heating cycle, the time after each deformation the dislocation caused by the solid precipitates were living so that blocked the accumulation of dislocations at the substrate junction is strengthened with the further disruption of dislocation. This process is repeated again and again continue. Conclusion; a similar situation in the processing time compared to the same below artificial aging treatment to make the cycle change temperature more dispersed strengthening phase precipitation. 2. Cycle after changing the temperature level of performance has little to do with the processing times. (Continued on page 22) * 22 * 3 990 aluminum technology extrusion process of continuous production of extruded products to promote efficiency and main squeeze tube, squeeze the locking tapered hole and vice metal flow speed and cylinder extrusion ratio, but not with the use of metal in the billet to be extruded. Results, the next edge extrusion billet size has nothing to do, this and the case of intermittent extrusion billet beneficial effect of the surface restoration, including metal, like this. Therefore, the production of extruded products for a variety of stages with the flow: part of the metal cylinder from the vice squeeze situation (products, size and metal flow rate of cross-section of a back back to the main extrusion cylinder (Fig. lB, F); from be the main squeeze),[link widoczny dla zalogowanych], the premise of ensuring the continuous extrusion billet pressure cylinder to the next Vice-Extrusion sudden change of metal flow cross-section size should be something as small as possible. Variable stock the use of small size; extrusion of metal through the die hole of the metal flow cross-section of the 'lower the required extrusion pressure, thereby reducing production costs change suddenly. Conditions in the extrusion of the billet deformed metal, the metal consumption and area (passage 2). Good enough to keep it between the metallurgical welding station. As the trial of small size in a reasonable selection of stock cases, inspection reveals the kind of research, f at relatively small size of the blank area in plastic extrusion and metal flow. Tapered from the closed infinite products can be produced in the continuous extrusion machine holes with a minimum resistance of metal flow into the vice squeeze tube of the coaxial transition, when the length to be cut when the extruded products, extruded shaft can be shaped to ensure positive phase of the extrusion pressure extrusion pulse transmission from the hydraulic shear to achieve. Main squeeze the tube to the die area of the best mass transfer conditions. In the newly installed Ⅱ Ⅱ 3-500 type continuous extrusion machine in forward and reverse extrusion stage, can produce stable i70-1020m-long extruded products (see the metal flow velocity (v), according to the principles of table 1). Products do not have uneven thickness, layered, and it must meet the following conditions: he defects. Currently, a continuous extrusion process is still perfect on the forward extrusion of metal squeeze tube from the main flow: to continue research work, especially in the use of aluminum spider lj wang v =- v out significantly less than one contingent (z-1) -v mode; debris and residual material as raw materials were tested. In the backward extrusion of metal squeeze tube from the cut out: the new village continued extrusion process and its equipment is about 7 out of Q = r space (n-1); where, v secondary world, it is metallurgy, production of electricity and aluminum structures, respectively,[link widoczny dla zalogowanych], v room squeeze squeeze the hollow shaft axis and a variety of mobile speed profiles, rods, tubes and armored cable center line level; v: metal squeeze from the hollow shaft of the die hole flow References (omitted) 'out of speed; and n the grounds of the main squeeze tube and squeeze the tube vice translated l989, 10101 of a l04 per barrel when squeezed from the hair when it launched a stock (on the next page 47) 3A1 coefficient of a Ⅵ g-Si alloy deformed by changing the temperature treatment period, compared with the T1 treatment, the toughness and plasticity increased. 5 ~ 2 times. The strength decreased slightly. 4,[link widoczny dla zalogowanych], a cycle of change in temperature deformation processing system, including quenching, the new state of deformation and quenching temperature treatment cycle of change. This can improve the strength and conductivity,[link widoczny dla zalogowanych], which increase with the deformation rate, the heating parameters and cycle chewing cycle of high temperature holding time related. 5, including the quenching distortion and passes several times during the interval I change the temperature of the heating cycle, the low temperature treatment on aluminum alloy processing is widely elaborated in the future. References (omitted) translated
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