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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Joining characteristics of beta-titanium wires with electrical resistance welding.
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Joining characteristics of beta-titanium wires with electrical resistance welding.

机译：电阻焊接β-钛电线的连接特性。

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摘要

The goal of this research was to investigate the effects of different conditions for electrical resistance welding of beta-titanium orthodontic wires. Three electrode types were used with a range of power settings on an electrical resistance welding machine to join beta-titanium wires (Resolve, GAC International). Forces that caused bond failures for joined specimens were obtained with tensile loading, and the values were compared using one-way ANOVA and the Tukey test (alpha = 0.05). Metallurgical phases in the joint region were determined by micro-X-ray diffraction. Mean tensile forces for bond failure ranged from 5 to 20 kgf for the eight specimen groups and were dependent on electrode type and power setting. All X-ray diffraction peaks in the joint region were indexed to beta-titanium. Superior bond strength was achieved with the use of wide electrodes. The absence of phases other than beta-titanium in the joint area suggests that the electrical resistance welding may not adversely affect clinically important mechanical properties. Scanning microscope observations indicated that the localized permanent deformation and the formation of an undesirable equiaxed grain structure occurred with the use of narrow electrodes.
机译：该研究的目的是研究不同条件对β-钛正畸线电阻焊接的影响。使用三个电极类型在电阻焊接机上的一系列电源设置，以加入Beta-TiTanium电线（解决，GAC International）。用拉伸载荷获得引起连接标本的粘合故障的力，并使用单向ANOVA和Tukey试验（α= 0.05）进行比较值。接合区域中的冶金相通过微X射线衍射测定。用于粘合性的平均拉伸力为八个样本组的5至20kgf，依赖于电极型和电力设置。关节区域中的所有X射线衍射峰被分配给β-钛。使用宽电极实现了优异的粘合强度。在联合区域中没有β-钛的阶段的阶段表明电阻焊接可能不会对临床重要的机械性能产生不利影响。扫描显微镜观测表明，使用窄电极的局部永久变形和形成不希望的等式晶粒结构。

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