Effect of equal channel angular extrusion on the microstructure and properties of HA/PA66 biomaterials
2010 International Conference on Mechanic Automation and Control Engineering, MACE2010（2010）
摘要
Injection molding PA66 and HA/PA66 composites were shearing deformed by means of Equal Channel Angular Extrusion technology.The diversification of microstructure and mechanical properties of PA66 and HA/PA66 composites before and after extrusion were studied using SEM (scanning electron microscope) ,DSC(differential scanning calorimetr) and Electronic Tensile Testing Machine . As a results, orientation microstructure into a definite angle with extrusion direction were formed in PA66 and HA/PA66 composites, the melting point and melting energy of PA66 and HA/PA66 composites were increased with different extent, tensile strength were improved but elongation rate were decreased. ©2010 IEEE.
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关键词
equal channel angular extrusion,ha/pa66 composites,microstructure,properties,differential scanning calorimetry,polymers,shear deformation,elongation,scanning electron microscopy,scanning electron microscope,composite materials,melting point,tensile test,educational technology,morphology,microstructures,sun,extrusion,tensile strength,tensile testing,temperature
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