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首页> 外文期刊>International Journal of Advanced Biotechnology and Research >Investigation effect of nano ZrO2 contents and temperature on fracture toughness of in-ceram zirconia dental materials
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Investigation effect of nano ZrO2 contents and temperature on fracture toughness of in-ceram zirconia dental materials

机译：纳米ZrO2含量和温度对陶瓷氧化锆牙科材料断裂韧性的影响

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摘要

Objective: This study describes a general factor-based experiment that applied to researching and investigating onhardness and fracture roughness of in-ceram zirconia both with and without nano zirconia reinforcement. The aim ofthe study was to evaluate the impact of factors such as the Nano zirconia contents and sintering temperature.Methods: Vickers microhardness method for and the fracture toughness (Indentation Strength) was measured on 5specimens for each ceramic. SEM and optical microscope have used to measure the volume fraction of each phase, thedimensions, and shapes of the grains and the crack pattern. Experimental design (general factorial method) has usedfor running experiment. DX7 software used for all statistical analysis. Results: Results show that the nano zirconiaimproves fracture toughness and hardness, but by increasing, the percentage of nano zirconia this effect will be inverseand the fracture toughness of samples reduced.
机译：目的：本研究描述了基于一般因素的实验，该实验用于研究和研究具有和不具有纳米氧化锆增强物的陶瓷内氧化锆的硬度和断裂粗糙度。本研究的目的是评估纳米氧化锆含量和烧结温度等因素的影响。方法：对每种陶瓷在5个样品上进行维氏显微硬度法测量，并测定断裂韧性（压痕强度）。 SEM和光学显微镜已用于测量每个相的体积分数，尺寸，晶粒形状和裂纹图案。实验设计（通用析因法）已用于运行实验。 DX7软件用于所有统计分析。结果：结果表明，纳米氧化锆改善了断裂韧性和硬度，但随着纳米氧化锆百分比的增加，这种作用将相反，样品的断裂韧性降低。

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