工艺参数对镁合金铸轧板坯凝固前沿影响规律的研究

翁文凭; 邓康; 任忠鸣; 陈琦; 迟之东; 赵奇特

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工艺参数对镁合金铸轧板坯凝固前沿影响规律的研究
Effects of Processing Parameters on Solidification Front Structure in Twin-roll Casting Magnesium Alloy
2011年31卷第2期页码：116-119
纸质出版日期： 2011 ，
DOI：

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[1]翁文凭,邓康,任忠鸣,陈琦,迟之东,赵奇特.工艺参数对镁合金铸轧板坯凝固前沿影响规律的研究[J].特种铸造及有色合金,2011,31(02):116-119+200-201.

Weng Wenping1, Deng Kang1, Ren Zhongming1, et al. Effects of Processing Parameters on Solidification Front Structure in Twin-roll Casting Magnesium Alloy[J]. Special Casting & Nonferrous Alloys, 2011,31(2):116-119.
[1]翁文凭,邓康,任忠鸣,陈琦,迟之东,赵奇特.工艺参数对镁合金铸轧板坯凝固前沿影响规律的研究[J].特种铸造及有色合金,2011,31(02):116-119+200-201. DOI：

Weng Wenping1, Deng Kang1, Ren Zhongming1, et al. Effects of Processing Parameters on Solidification Front Structure in Twin-roll Casting Magnesium Alloy[J]. Special Casting & Nonferrous Alloys, 2011,31(2):116-119. DOI：

摘要

通过镁合金铸轧工艺试验

分析了辊面线速度、轧辊直径、铸轧区长度以及铸轧板坯厚度对铸轧区凝固前沿位置及板坯宏观质量的影响。试验结果表明

在铸轧区长度、板坯厚度一定的条件下

铸轧速度显著影响凝固前沿位置

并进一步决定镁合金铸轧板坯表面质量及宏观缺陷形成特征。在其他工况条件不变的情况下

铸轧速度必须根据铸轧区长度、板坯厚度进行调整

并将铸轧区凝固前沿控制在优化区域

可稳定工艺、提高板坯的表面质量。

Abstract

Effects of processing parameters

such as rolling speed

roller diameter

setback length and strip thickness

on position of solidification front and surface quality of the magnesium alloy strip were analyzed experimentally.The results indicate that at a fixed setback length and strip thickness

solidification front position is closely related to the rolling velocity

which further controls surface quality and macro-defect characteristics of the magnesium alloy strip.At the other given processing conditions

rolling velocity should be coordinated according with setback length and strip thickness to ensure the solidification front position in the optimized zone during twin-roll casting magnesium alloy process

which could stabilize process and improve the surface quality of the magnesium alloy strip.