制备Ti-6Al-4V钛合金表面微纳米结构的工艺优化OA
Process Optimization for Preparing Surface Micro-nano Structures of Ti-6Al-4V Titanium Alloy
采用机械打磨、酸洗和电化学法在 Ti-6Al-4V 钛合金上制备微纳米孔洞结构,提高钛合金表面粗糙度和孔隙率,以增强钛合金与塑料的界面粘接强度.分析极化曲线确定最佳电解液成分;通过正交实验获得电解液中的硫酸浓度、盐酸浓度、磷酸浓度、电解时间和电解温度的最优工艺参数和粗糙度、孔隙率.结果表明,当硫酸浓度为 10%、盐酸浓度为5%、磷酸浓度为 0 M、氯化钠浓度为 0.04 g/mL、电解时间为 20 min、电解温度为50℃时,得到最佳粗糙度为5.32 μm,孔隙率为 45.18%.该数据也是目前所查找的文献研究中已知最好的结果.
Mechanical grinding,pickling and electrochemical methods were used to prepare micro-nano pore structures on Ti-6Al-4V titanium alloy to improve the surface roughness and porosity of the titanium alloy to enhance the interface bonding strength between the titanium alloy and plastic.Analyze the polarization curve to determine the optimal electrolyte composition;obtain the optimal process parameters,roughness and porosity of the sulfuric acid concentration,hydrochloric acid concentration,phosphoric acid concentration,electrolysis time and electrolysis temperature in the electrolyte through orthogonal experiments.The results show that the best results are obtained when the concentration of sulfuric acid is 10%,the concentration of hydrochloric acid is 5%,the concentration of phosphoric acid is 0 M,the concentration of sodium chloride is 0.04 g/mL,the electrolysis time is 20 min,and the electrolysis temperature is 50℃.The roughness is 5.32 μm and the porosity is 45.18%.This data is also the best known result from the literature research found so far.
黄鑫;倪骁骅
盐城工学院 汽车工程学院,江苏 盐城 224002
金属材料
Ti-6Al-4V钛合金电化学处理正交分析极化曲线微纳米结构
Ti-6Al-4V titanium alloyelectrochemical treatmentorthogonal analysispolarization curvemicro-nano structure
《广州化学》 2024 (004)
59-65 / 7
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