钛合金高温玻璃—陶瓷保护涂料的研究

The Study of Protective Coatings for Titanium Alloys at High Temperature

摘要:

开发出一种用于高温钛合金热加工条件下的防氧化玻璃－陶瓷保护涂料，该涂料是以硼铝硅酸盐玻璃为主体，加入有机粘结剂，用水做溶剂，配制而成的水悬浮液。讨论和研究了由该涂料在高温条件下形成涂层，以及涂层对钛合金保护作用的机理和涂料配方的设计原则。通过能谱（EDS）和恒温增重的分析，比较了有涂层保护和无涂层保护钛合金片表面氧含量的差异，表明了所制备的玻璃－陶瓷涂料在高温下对钛合金有很好的保护作用。

Abstract:

A glass ceramic coating used for the protection of Ti alloy from oxidation during heat treatment and working process has been successfully developed. The coating is an aqueous suspension consisted of boric aluminium silicate glass powder, organic stick agent and solvent of water. Protective mechanism and designed principle of coating has been discussed. Oxidation behavior of Ti alloy coated the glass ceramics coating during heating process has been analyzed by means of EDS and heat scale.The results show that titanium alloys can be protected well against oxidation by the glass ceramic coating during heat treatment process.