钙盐和氢氧化钾浓度对钛合金微弧氧化膜表面形貌及成分的影响

发布时间：2018-04-27 05:23

本文选题：钛合金 + 微弧氧化　；参考：《中国有色金属学报》2015年06期

【摘要】：在含15 g/L食品添加剂植酸的基本溶液中,分别加入乙酸钙、氧化钙、磷酸二氢钙、甘油磷酸钙、EDTA-Ca5种钙盐以及氢氧化钾,研究钙盐种类和氢氧化钾浓度对钛合金微弧氧化膜表面形貌及成分的影响。采用扫描电子显微镜(SEM)、X射线能谱仪(EDS)、X射线衍射仪(XRD)和傅里叶红外光谱仪(FT-IR)表征氧化膜的表面形貌、成分和结构。结果表明:钙盐能显著提高氧化膜中磷含量,且氧化钙、磷酸二氢钙和EDTA-Ca能较大程度地提高氧化膜中的钙含量;氢氧化钾浓度越高,氧化膜中的钙含量越高。钙盐和氢氧化钾均能增大氧化膜表面的微孔直径。
[Abstract]:In the basic solution containing 15 g / L phytic acid, calcium acetate, calcium oxide, calcium dihydrogen phosphate, calcium glycerol phosphate EDTA-Ca and potassium hydroxide were added respectively. The effects of calcium salts and concentration of potassium hydroxide on the surface morphology and composition of titanium alloy micro-arc oxide film were studied. The surface morphology, composition and structure of the oxide film were characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The results show that calcium salt can significantly increase the content of phosphorus in the oxide film, and calcium oxide, calcium dihydrogen phosphate and EDTA-Ca can increase the calcium content in the oxide film to a greater extent, and the higher the concentration of potassium hydroxide, the higher the calcium content in the oxide film. Both calcium salt and potassium hydroxide can increase the micropore diameter on the surface of the oxide film.
【作者单位】：江西科技师范大学材料与机电学院;江西出入境检验检疫局综合技术中心;江西科技师范大学江西省材料表面工程重点实验室;
【基金】：国家自然科学基金资助项目(51361011) 纳米生物材料重点培育基地资助项目(2013ZDPY JD01)
【分类号】：TG174.4

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