Effect of different thermal change tests of micro tensile strength behavior bio-composite materials; In vitro study

E. Yilmaz, R. Sadeler
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Abstract

Background: The thermal changes in environments that composite materials are exposed to has a great effect on fatigue and wear behavior. Aim: Micro-cracks and interfacial deformations occur in the composite material structure because of heating and cooling environments occurring on material surfaces. Considering the environment to which bio-composite materials used in the human body are exposed, it is inevitable that they are exposed to a thermal change cycle environment. Material and Method: In this study, the mechanical behaviors of Silorane, X-Trafil and Valux-Plus bio-composite materials were examined after being exposed to thermal cycles in an artificial mouth environment in the temperature range of minimum 5 °C and maximum 65 °C. Micro-tensile strengths of bio-composite materials after thermal cycle test procedures were determined using a universal micro tensile tester device. In addition, microstructural analyzes of bio-composite materials were evaluated using scanning electron microscopy (SEM). Results: Within the scope of the data obtained as a result of this study, it was concluded that the thermal changes in environments significantly affects the micro-shrinkage behavior of bio-composite materials. Conclusion: The behavior of the matrix structure of the composite material significantly affected the formation of micro cracks.
不同热变化试验对生物复合材料微拉伸强度行为的影响体外研究
背景:复合材料所处环境的热变化对其疲劳磨损性能有很大影响。目的:由于材料表面的加热和冷却环境,复合材料结构中会产生微裂纹和界面变形。考虑到人体使用的生物复合材料所处的环境,其所处的热变化循环环境是不可避免的。材料与方法:本研究对Silorane、X-Trafil和Valux-Plus生物复合材料在最低5℃和最高65℃的人工口腔环境中进行热循环后的力学行为进行了研究。采用通用微拉伸试验装置测定热循环试验程序后生物复合材料的微拉伸强度。此外,利用扫描电子显微镜(SEM)对生物复合材料的微观结构进行了分析。结果:在本研究获得的数据范围内,得出环境的热变化对生物复合材料的微收缩行为有显著影响的结论。结论:复合材料的基体组织行为对微裂纹的形成有显著影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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