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首页> 外文期刊>Journal of Materials Engineering and Performance >Compressive Strength Evaluation in Brazed ZrO2/Ti6Al4V Joints Using Finite Element Analysis
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Compressive Strength Evaluation in Brazed ZrO2/Ti6Al4V Joints Using Finite Element Analysis

机译：ZrO2 / Ti6Al4V钎焊接头抗压强度的有限元分析

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摘要

This study aims to synthesize and evaluate the compressive strength of the ZrO2/Ti-6Al-4V joint brazed using an active metal filler Ag-Cu-Sn-Ti, and its application to dental implants assuring its reliability to resist the compressive failure in the actual oral environment. The brazing was performed at a temperature of 750 A degrees C for 30 min in a vacuum furnace under 5 x 10(-6) Torr atmosphere. The microstructure of the brazed joint showed the presence of an Ag-rich matrix and a Cu-rich phase, and Cu-Ti intermetallic compounds were observed along the Ti-6Al-4V bonded interface. The compressive strength of the brazed ZrO2/Ti-6Al-4V joint was measured by EN ISO 14801 standard test method. The measured compressive strength of the joint was similar to 1477 MPa-a value almost five times that of existing dental cements. Finite element analysis also confirmed the high von Mises stress values. The compressive strains in the samples were found concentrated near the Ti-6Al-4V position, matching with the position of the real fractured sample. These results suggest extremely significant compressive strength in ZrO2/Ti-6Al-4V joints using the Ag-Cu-Sn-Ti filler. It is believed that a highly reliable dental implant can be processed and designed using the results of this study.
机译：这项研究旨在合成和评估使用活性金属填料Ag-Cu-Sn-Ti钎焊的ZrO2 / Ti-6Al-4V接头的抗压强度，并将其应用于牙种植体，以确保其抵抗牙槽骨抗压破坏的可靠性。实际的口腔环境。在真空炉中在5 x 10（-6）托气氛下于750 A的温度下进行钎焊30分钟。钎焊接头的微观结构表明存在富银基体和富铜相，并且沿Ti-6Al-4V键合界面观察到Cu-Ti金属间化合物。通过EN ISO 14801标准测试方法测量ZrO2 / Ti-6Al-4V钎焊接头的抗压强度。测得的接头抗压强度约为1477 MPa，几乎是现有牙用水泥的五倍。有限元分析还证实了较高的冯·米塞斯应力值。发现样品中的压缩应变集中在Ti-6Al-4V位置附近，与真实断裂样品的位置匹配。这些结果表明使用Ag-Cu-Sn-Ti填料的ZrO2 / Ti-6Al-4V接头的抗压强度极高。相信可以使用该研究结果来处理和设计高度可靠的牙科植入物。

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