稳定化退火工艺对铝镁钪合金力学和腐蚀性能的影响Influence of stabilizing annealing on tensile property and exfoliation corrosion resistance of Al-Mg-Sc alloy
聂波,尹志民,姜锋,蒋春丽,丛福官
摘要(Abstract):
采用半连续铸造-轧制技术制备了铝镁钪合金板材,研究了稳定化退火工艺对冷轧板材组织和性能的影响。结果表明,随稳定化退火温度的升高,板材强度下降而塑性升高,腐蚀抗力则先升而后降;随稳定化退火时间的延长,板材屈服强度有所降低而塑性变化不大,腐蚀抗力稍有增加。合金板材经300℃×1h稳定化退火可达到强度、塑性和耐蚀性的最佳配合。
关键词(KeyWords): 铝镁钪合金;稳定化处理;拉伸性能;剥落腐蚀;腐蚀速率
基金项目(Foundation): 国家“十五”攻关项目(MKPT-2004-16ZD)
作者(Author): 聂波,尹志民,姜锋,蒋春丽,丛福官
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