采用全浸泡腐蚀试验,系统研究了Ni P 纳米TiO2 复合镀层在HCl、H2 SO4、HNO3、NaOH和NaCl溶液中的耐腐蚀性能。结果表明,Ni P 纳米TiO2 复合镀层比Ni P化学镀层具有更优异的耐酸、耐碱、耐盐腐蚀的性能;复合镀层在盐和碱性腐蚀液中的耐...采用全浸泡腐蚀试验,系统研究了Ni P 纳米TiO2 复合镀层在HCl、H2 SO4、HNO3、NaOH和NaCl溶液中的耐腐蚀性能。结果表明,Ni P 纳米TiO2 复合镀层比Ni P化学镀层具有更优异的耐酸、耐碱、耐盐腐蚀的性能;复合镀层在盐和碱性腐蚀液中的耐蚀性优于酸性腐蚀液;Ni P 纳米TiO2 复合镀层在不同腐蚀液中的腐蚀形态明显不同,复合镀层在NaOH、NaCl和HCl溶液中的腐蚀形态为均匀腐蚀型,而在H2 SO4和HNO3强氧化性介质中的腐蚀形态则为点蚀穿透型;保持镀层在腐蚀液中的完整性对提高镀层的耐腐蚀性能至关重要。展开更多
TiO2 nanotubes were prepared under normal pressure at a temperature of 120 ℃. Ag, Au, Pt nanoparticles supported on TiO2 nanotubes were prepared by m icrowave assisted heating polyol process. TEM images showed that m...TiO2 nanotubes were prepared under normal pressure at a temperature of 120 ℃. Ag, Au, Pt nanoparticles supported on TiO2 nanotubes were prepared by m icrowave assisted heating polyol process. TEM images showed that microwave prepa red Ag, Au, Pt nanoparticles supported on TiO2 nanotubes were small and well dis persed on the surface of the TiO2 nanotubes. UV-Vis absorption spectra showed th at the absorbance of Ag/TiO2 nanotubes and Au/TiO2 nanotubes in the visible ligh t range increased greatly compared to the single titania nanotubes.展开更多
文摘采用全浸泡腐蚀试验,系统研究了Ni P 纳米TiO2 复合镀层在HCl、H2 SO4、HNO3、NaOH和NaCl溶液中的耐腐蚀性能。结果表明,Ni P 纳米TiO2 复合镀层比Ni P化学镀层具有更优异的耐酸、耐碱、耐盐腐蚀的性能;复合镀层在盐和碱性腐蚀液中的耐蚀性优于酸性腐蚀液;Ni P 纳米TiO2 复合镀层在不同腐蚀液中的腐蚀形态明显不同,复合镀层在NaOH、NaCl和HCl溶液中的腐蚀形态为均匀腐蚀型,而在H2 SO4和HNO3强氧化性介质中的腐蚀形态则为点蚀穿透型;保持镀层在腐蚀液中的完整性对提高镀层的耐腐蚀性能至关重要。
文摘TiO2 nanotubes were prepared under normal pressure at a temperature of 120 ℃. Ag, Au, Pt nanoparticles supported on TiO2 nanotubes were prepared by m icrowave assisted heating polyol process. TEM images showed that microwave prepa red Ag, Au, Pt nanoparticles supported on TiO2 nanotubes were small and well dis persed on the surface of the TiO2 nanotubes. UV-Vis absorption spectra showed th at the absorbance of Ag/TiO2 nanotubes and Au/TiO2 nanotubes in the visible ligh t range increased greatly compared to the single titania nanotubes.
