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铝板生产厂家:冷变形对铝及铝板性能的影响

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  冷变形对铝及铝板性能的影响
  Effect of Cold Deformation on Properties of Aluminum and Aluminum Plates
  A物理和化学性质
  A Physical and Chemical Properties
  (1)密度。冷变形后,由于微裂纹、宏观裂纹和晶粒间空洞等原因,铝的密度降低。
  (1) Density. After cold deformation, the density of aluminium decreases due to micro-cracks, macro-cracks and inter-grain voids.
  (2)阻力。晶粒间的直接接触、晶粒取向的有序、晶粒与晶粒内的断裂等。前两者使电流随变形程度的增大而减小,后两者使电流随变形程度的增大而减小。
  (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)化学稳定性。冷变形后,材料内能增加,使其化学性能更加不稳定,易被腐蚀,尤其容易产生应力腐蚀烛。

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  (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.
  冷变形对铝及铝板性能的影响
  Effect of Cold Deformation on Properties of Aluminum and Aluminum Plates
  B化学性质
  B Chemical Properties
  铝和铝板经过冷变形后,由于晶内和晶间的损伤、晶格畸变和第二类残余应力,塑性指数急剧下降,在极限状态下可能接近完全脆性状态。此外,由于晶格畸变、位错增加、晶粒伸长和细化,以及子结构的出现,其强度指标大大提高,即出现了加工硬化现象。
  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.
  巩义市佛山市新技术有限企业有限企业(佛山铝)是一个好的铝工厂在河南巩义市,郑州的城市,长期批发铝带,厂家直销1060铝板,1050铝板,铝盘与1100年3003铝板,5052铝板,铝盘5083、6061铝板,6063铝产品,如铝企业低价格区域,是河南巩义铝杰出的制造商。铝板规格齐全,欢迎新老客户订购。
  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结构和各向异性
  C Structure and Anisotropy
  铝和铝板经过大的冷变形后,由于组织的出现,材料呈现各向异性。例如,铝板在拉深过程中容易产生明显的制耳现象。合理控制加工条件,充分利用织构和各向异性的优点,避免或消除这些缺点。
  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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