Iwama C Y, Preston J D
Don and Sybil Harrington Foundation, Los Angeles, California, USA.
Int J Prosthodont. 1997 Jul-Aug;10(4):309-17.
Pure elemental titanium was alloyed with cobalt and chromium in dilutions of 4%, 5%, and 6% to evaluate the suitability of the resulting alloy for removable partial denture frameworks. The physical properties of the Co-Cr-Ti alloy were compared to the properties of a commercial pure titanium and Vitallium. Clasp replicas were cast in Co-Cr-Ti and Vitallium and subjected to cyclic deflection. Representative specimens from the fatigue failure tests were then evaluated using scanning electron microscopy and analyzed for elemental content. The 5% titanium dilution of cobalt-chromium proved to have the best physical properties and was used for comparison with the pure titanium and Vitallium. The Co-Cr-5% Ti had significantly better physical properties than pure titanium and a greater flexure fatigue limit than the Vitallium alloy.
将纯元素钛与钴和铬按4%、5%和6%的比例进行合金化，以评估所得合金用于可摘局部义齿支架的适用性。将钴 - 铬 - 钛合金的物理性能与商业纯钛和维他灵合金的性能进行比较。用钴 - 铬 - 钛合金和维他灵合金铸造卡环复制品，并进行循环挠曲试验。然后使用扫描电子显微镜对疲劳失效试验的代表性试样进行评估，并分析其元素含量。结果表明，钴铬合金中5%钛的稀释度具有最佳物理性能，并用于与纯钛和维他灵合金进行比较。钴 - 铬 - 5%钛合金的物理性能明显优于纯钛，其挠曲疲劳极限也高于维他灵合金。
