The application of dynamic strain ageing during cycling creep of Al-Mn alloys , consisting of various compositions, is studied at the middle temperature in this paper.
研究了不同成份的铝镁合金在中温和不同应力作用下的动态应变时效，并阐述了动态应变时效在循环蠕变中的作用。
That a: The Mn-deposits of Middle Ordovician Epoch in central Hunan were high grade Mn-ores with low-P, low-Fe and high basicity;
提出：①湘中地区中奥陶世锰矿是低磷、低铁、高碱度优质锰矿石；
That a: The Mn-deposits of Middle Ordovician Epoch in central Hunan were high grade Mn-ores with low-P, low-Fe and high basicity;
提出：①湘中地区中奥陶世锰矿是低磷、低铁、高碱度优质锰矿石；
应用推荐