摘要
用微弧氧化方法在钛合金上形成二氧化钛薄膜,用扫描电镜、X射线衍射以及透射电镜分析了膜的组织结构和化学成分,用纳米压入仪和划擦仪测量了膜的硬度和弹性模量及划擦抗力。结果表明,钛合金表面形成一层微弧氧化膜,含有纳米晶结构。薄膜由晶体和少量非晶体组成,硬度和弹性模量分别为0.78GPa和35.6GPa,划擦过程中未出现膜从基体表面的剥落,但高载荷下膜本身有破坏和脱落。
The titania film was formed by micro - arc oxidation on titanium alloys. The microstructure and chemical composition were studied by SEM, XRD. At the same time, the hardness, elastic modulus and scratch resistance measurement were carried out as well by nano indentation and scratch machine. The results show that the micro - are oxidation film which is consisted of crystal and little amorphous phase has nano structure. The hardness and elastic modulus are 0.76GPa and 34.6GPa respectively. There is no film destroyed unless under high load.
出处
《稀有金属材料与工程》
SCIE
EI
CAS
CSCD
北大核心
2003年第4期272-275,共4页
Rare Metal Materials and Engineering
基金
国家自然科学基金青年基金(50002008)
陕西省科技攻关重点项目资助
