研究利用低压脉冲电场技术制备的AZ91D镁合金在部分重熔过程中的组织演变,考察加热温度和保温时间对不同脉冲电压制备的AZ91D合金初生相形态和尺寸的影响。
The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse(LVECP) technique.
发现初生聚乙烯粉末具有条状形态结构,其支化度、结晶度及晶粒尺寸均与低压聚乙烯相似,但其熔点和特性粘数较高。
The morphology of nascent polymer powder shows strip structure by scanning electron microscope. Branched content, crystallinity and crystallite size are similar to those of high density polyethylene.
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