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INVESTIGATION ON PROPERTIES OF PA6/TUNGSTEN SHIELDING COMPOSITE

Zhuo Mingchuan,Li Yunbo,Xiao Yang,Wang Zhe,Hou Zhanjie,Zhu Yubin(School of Materials Science and Engineering,Shanghai University,Shanghai 200072,China)  
With the different additions of the tungsten powder filled in the composite,nylon(PA)6/tungsten powder composite was produced by melt extrusion method.The cross section morphology of composite was observed by scanning electron microscope and metallographic microscope.It was found that tungsten powder was evenly distributed in matrix of PA6,and that the interface between tungsten power and PA6 bounded well.The result of simple beam impact test showed that the high density PA6/tungsten powder composite had good anti-impact performance.By CT scanning test,the PA6/tungsten powder composite shielded more than 97% X-ray.
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