冷變形對鋁及鋁板性能的影響
　　Effect of Cold Deformation on Properties of Aluminum and Aluminum Plates
　　A物理和化學性質(zhì)
　　A Physical and Chemical Properties
　　(1)密度。冷變形后，由于微裂紋、宏觀裂紋和晶粒間空洞等原因，鋁的密度降低。
　　(1) Density. After cold deformation, the density of aluminium decreases due to micro-cracks, macro-cracks and inter-grain voids.
　　(2)阻力。晶粒間的直接接觸、晶粒取向的有序、晶粒與晶粒內(nèi)的斷裂等。前兩者使電流隨變形程度的增大而減小，后兩者使電流隨變形程度的增大而減小。
　　(2) Resistance. The direct contact between grains, the orderly orientation of grains, the fracture between grains and grains, etc. The former two make the current decrease with the increase of deformation degree, while the latter two make the current decrease with the increase of deformation degree.
　　(3)化學穩(wěn)定性。冷變形后，材料內(nèi)能增加，使其化學性能更加不穩(wěn)定，易被腐蝕，尤其容易產(chǎn)生應力腐蝕燭。

　　(3) Chemical stability. After cold deformation, the internal energy of the material increases, which makes its chemical properties more unstable and easy to be corroded, especially stress corrosion candles.
　　冷變形對鋁及鋁板性能的影響
　　Effect of Cold Deformation on Properties of Aluminum and Aluminum Plates
　　B化學性質(zhì)
　　B Chemical Properties
　　鋁和鋁板經(jīng)過冷變形后，由于晶內(nèi)和晶間的損傷、晶格畸變和第二類殘余應力，塑性指數(shù)急劇下降，在極限狀態(tài)下可能接近完全脆性狀態(tài)。此外，由于晶格畸變、位錯增加、晶粒伸長和細化，以及子結(jié)構(gòu)的出現(xiàn)，其強度指標大大提高，即出現(xiàn)了加工硬化現(xiàn)象。
　　After cold deformation, the plastic index of aluminium and aluminium sheets decreases sharply due to intra-and inter-crystal damage, lattice distortion and the second type of residual stress, which may approach the completely brittle state in the ultimate state. In addition, due to lattice distortion, dislocation increase, grain elongation and refinement, as well as the appearance of substructures, the strength index is greatly improved, that is, the phenomenon of work hardening occurs.
　　鞏義市佛山市新技術(shù)有限公司有限公司(佛山鋁)是一個好的鋁工廠在河南鞏義市,鄭州的城市,長期批發(fā)鋁帶,廠家直銷1060鋁板,1050鋁板,鋁盤與1100年3003鋁板,5052鋁板,鋁盤5083、6061鋁板,6063鋁產(chǎn)品,如鋁公司低價格區(qū)域,是河南鞏義鋁杰出的制造商。鋁板規(guī)格齊全，歡迎新老客戶訂購。
　　Gongyi Foshan New Technology Co., Ltd. (Foshan Aluminum) is one of the best aluminium factories in Gongyi City, Henan Province, Zhengzhou City, long-term wholesale aluminium strip, factory direct sales of 1060 aluminium plate, 1050 aluminium plate, aluminium plate and 1100 3003 aluminium plate, 5052 aluminium plate, aluminium plate 5083, 6061 aluminium plate, 6063 Aluminium products, such as the lowest price area of aluminium company, Henan Gongyi The most outstanding manufacturer of aluminium. Aluminum sheet specifications are complete, new and old customers are welcome to order.
　　C結(jié)構(gòu)和各向異性
　　C Structure and Anisotropy
　　鋁和鋁板經(jīng)過大的冷變形后，由于組織的出現(xiàn)，材料呈現(xiàn)各向異性。例如，鋁板在拉深過程中容易產(chǎn)生明顯的制耳現(xiàn)象。合理控制加工條件，充分利用織構(gòu)和各向異性的優(yōu)點，避免或消除這些缺點。
　　After large cold deformation, the material exhibits anisotropy due to the appearance of structure. For example, it is easy to produce obvious ear-making phenomenon in the process of deep drawing of aluminium sheet. Reasonable control of processing conditions, make full use of the advantages of texture and anisotropy, to avoid or eliminate these shortcomings.
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