曹宇,甘萍,王群骄,张洁柯,曹先铭,陈泽军,黄光杰

• 1:重庆大学材料科学与工程学院
• 2:东北大学材料科学与工程学院

摘要(Abstract)：

通过扫描电镜、电子背散射衍射、X射线衍射和显微硬度仪等研究了不同退火工艺参数对冷轧铝/钛复合板材微观组织和微观硬度的影响规律，分析了退火温度和保温时间对铝层和钛层金属再结晶行为的影响。结果表明：冷轧态的铝层和钛层微观组织都以沿轧向被严重拉长的变形晶粒为主，并且在厚度方向分布不均匀。随着退火温度的升高和保温时间的延长，扩散层宽度均有一定的增加。在400℃退火时，铝层金属已经发生了再结晶，而钛层金属在500℃退火时才能观察到少量的再结晶晶粒。随着退火温度的进一步升高，两层金属的再结晶比例和晶粒尺寸均显著增大。保温时间延长导致钛层再结晶分数增加，而铝层无明显变化。此外，AlTi、Al_2Ti等金属间化合物对复合界面的微观硬度也产生了一定影响。

关键词(KeyWords)： Al/Ti复合材料;退火处理;再结晶;微观组织

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2021YFB3701302)

作者(Author): 曹宇,甘萍,王群骄,张洁柯,曹先铭,陈泽军,黄光杰

DOI: 10.13289/j.issn.1009-6264.2023-0449

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