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Comparison of friction and wear characteristic of self-solidification and thermal coagulation resin denture material
Author(s): 
Pages: 198-202
Year: Issue:  2
Journal: Journal of Hebei University(Natural Science Edition)

Abstract: 在自制的往复摩擦磨损实验台上,以球面接触方式,在干摩擦、法向压力为20 N、往复频率为0.5 Hz、摆幅85 mm条件下,研究了牙科用的自凝和热凝树脂球分别对自凝树脂板的摩擦磨损行为.实验过程中利用动态应变仪测量摩擦过程中应变片的应变,进而计算出摩擦系数.结合电镜观察比较得出了自凝与热凝2种义齿材料的耐磨性能:自凝树脂义齿材料磨损过程中会出现材料塑性流动和表面致密的光滑层,磨损轻微,后者材料致密性...
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