研究了在交变磁场作用下磁场频率变化对7050铝合金小型方坯静态成型铸坯熔体的弯液面、显微组织以及元素分布的影响。
The effect of alternating magnetic field frequency on the meniscus, microstructure and element distribution of the static formed ingots of minitype square billet of 7050 aluminium alloy.
介绍了微纳多层共挤出技术是通过简单地对高分子熔体进行分割-变流-合并过程来增加层数的技术。
The number of layers was increased through slicing-flow changing-combining polymer melts by micro-or nano-layer coextrusion, and the micro-or nano-layer alternative structure was designed.
结果发现PFPA1212熔体蠕变行为对温度有很强的依赖性，随温度的升高，蠕变柔量不断增加；
The results showed that the creep behavior of PA1212 melt was affected by temperature obviously. The creep strains and viscoity of the melt increased with the rising of the temperature.
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