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1060鋁板剪切結構產生的原因及特點

來源:http://www.fuzore.com  發布時間:2020-06-17 10:57:41  

  一、剪切結構的原因
  1、 Reason for shear structure
  1. 一般冷軋1060鋁板的儲能約為2000kPa;退火過程中再結晶之前,強回收組織的存儲容量可降低到300kPa。
  1. Generally, the energy storage capacity of cold rolled 1060 Aluminum sheet is about 2000 kPa; before recrystallization during annealing, the storage capacity of strong recovery structure can be reduced to 300 kPa. A kind of
  2. 而少量的殘余彈性能量中央谷物可以忽略,表面顆粒的彈性能量占1% ~ 3%的存儲能量,這將不可避免地導致的差異中央的復蘇和再結晶行為和表面顆粒,值得關注。

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  2. A small amount of residual elastic energy in the central grain can be ignored, and the elastic energy of the surface particles accounts for 1% - 3% of the storage energy, which will inevitably lead to the recovery and recrystallization behavior of the different central and surface particles, which deserves attention.
  21060鋁板的剪切結構特點
  Shear structure characteristics of 21060 aluminum plate
  測試觀察,并根據外部負載和晶粒間應力反應,結合理論計算表明,大道率軋制鋁板在時間的壓力下會導致輥在鋁板表面引起的高剪切應力的壓力比次方乘以足夠高,以便相應的剪切應力引起的輥縫區軋制應力狀態的橫向撓度超過40°角,鋁板表面會形成剪切紋理,紋理和中心層仍屬正常軋制輥縫表面的滑動,滑動帶差動滑動摩擦不是板厚度方向應力分布和滾結構重要影響的形成在時間壓力下變形速率會引起較強顆粒內的顆粒間的相互作用下的表面殘余彈性應變能顯著提高,的彈性能也與晶粒取向密切相關,并對隨后的反應和再結晶過程產生影響。
  According to the test and observation, and according to the external load and the stress response between grains, combined with theoretical calculation, it is shown that the pressure ratio of the high shear stress caused by the roll on the surface of the aluminum plate under the pressure of time will be multiplied by the power to be high enough, so that the transverse deflection of the rolling stress state of the roll gap caused by the corresponding shear stress exceeds 40 ° angle, and the surface of the aluminum plate will form shear texture, The texture and the central layer are still sliding on the surface of the normal rolling roll gap. The differential sliding friction of the sliding belt is not an important influence on the stress distribution in the thickness direction of the plate and the formation of the roll structure. Under the time pressure, the deformation rate will cause the surface residual elastic strain energy to increase significantly under the interaction between the particles in the stronger particles, The elastic energy is also closely related to the grain orientation, and has an effect on the subsequent reaction and recrystallization process.
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  The above is the relevant content introduced by the aluminum plate manufacturer. If you want to know more, please visit the website: http://www.fuzore.com

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