Pure titanium (Ti) often exhibits biologically inert performance in clinical medicine due to the occurrence of surface passivation. Surface modification is crucial to improve the biological activity and long-term stability of Ti. In this research, Induction heating + acid etching + alkali heat (IHT + AET + AHT) treatment methods were used to rapidly fabricate a biologically activated structure on the Ti surface. The effects of IHT + AET + AHT on the microstructure, phase composition, properties, and formation mechanisms of the coatings were investigated. The results showed that a fine and uniform porous network composite coating of sodium titanate and rutile TiO₂ was formed by IHT + AET + AHT methods, which showed good adhesion and corrosion resistance. Compared with AHT, IHT + AET + AHT can significantly reduce the pore size of sodium titanate from 300-350 nm to 80–100 nm. The IHT + AET + AHT coating has a good ability to induce hydroxyapatite (HA) formation in simulated body fluid (SBF). Moreover, the HA formed on the IHT + AET + AHT coating exhibits excellent long-term stability.

由于表面钝化的发生，纯钛（Ti）在临床医学中通常表现出生物学惰性。表面改性对于提高Ti的生物活性和长期稳定性至关重要。在这项研究中，感应加热+酸蚀刻+碱热（IHT + AET + AHT）处理方法被用来在Ti表面上快速制造生物活化结构。研究了IHT + AET + AHT对涂层的微观结构，相组成，性能和形成机理的影响。结果表明，钛酸钠和金红石型TiO ₂细密均匀的多孔网络复合涂层通过IHT + AET + AHT方法形成的涂层，具有良好的附着力和耐腐蚀性。与AHT相比，IHT + AET + AHT可以将钛酸钠的孔径从300-350 nm减小到80-100 nm。IHT + AET + AHT涂层具有良好的诱导模拟体液（SBF）中羟基磷灰石（HA）形成的能力。此外，在IHT + AET + AHT涂层上形成的HA表现出出色的长期稳定性。