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。
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。
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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