The phase and microhardness distributions in ceramic coating formed by microplasma oxidation on LY12 aluminum alloy were investigated using X - ray diffractometer and microhardness tester.

• 使用X射线衍射仪和显微硬度计测定了LY12铝合金微等离子体氧化陶瓷膜沿深度方向的相分布及显微硬度变化曲线。