• 1. hot rolling pass: 热轧道次
• 2. second pass hot rolling: 二道次热轧
• 3. multi-pass hot bar rolling: 棒材热连轧

• 1.In multi pass hot bar rolling, there are many complicated influences which may affect the final dimensional precision and mechanical properties.
  棒材热连轧生产过程中，影响产品最终尺寸精度和性能的因素较多。
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• 2.Using three dimensional fluxional function, the rolling force and energy parameters of oval round pass sequences for hot continuous bar rolling were analyzed.
  采用三维流函数法对棒材热连轧时的椭圆-圆孔型系统进行了力能参数的解析，其结果与实测结果符合很好。
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• 3.FORTRAN language was secondarily used to develop DEFORM-2D software, a heat-force-microstructure simulation on the multi-pass hot rolling of 2519 aluminum alloy was realized.
  采用FORTRAN语言对有限元软件DEFORM - 2d进行了二次开发，实现了2519铝合金多道次热轧过程的热力-组织耦合分析。
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