轧制工艺对铸轧AZ31镁合金板材组织的影响Effects of rolling process on microstructure of twin roll casting AZ31 magnesium alloy sheet
靳晓坤,郑申白,徐勇,张士宏
摘要(Abstract):
观察了铸轧AZ31镁合金板材经不同异步比轧后试样的显微组织。结果表明,与同步轧制相比,异步轧制能显著降低AZ31镁合金的动态再结晶温度,细化晶粒,并且提高其低温轧制时的成形能力,无需中间退火处理即可制备出最终厚度为0.7 mm的镁合金薄板。同时,异步轧制能够明显减弱板材的基面织构,但其强度并不随异步比增加呈现明显的单调递减规律。
关键词(KeyWords): AZ31镁合金;异步轧制;动态再结晶;显微组织;织构
基金项目(Foundation): 国家自然科学基金项目(51174189,51304186)
作者(Author): 靳晓坤,郑申白,徐勇,张士宏
DOI: 10.13289/j.issn.1009-6264.2014.09.025
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