低压等离子喷涂涂层膜基界面结合能的研究
CHINESE JOURNAL OF RARE METALS(2002)
Abstract
用努氏界面印痕法, 对铁基Ni/Fe、镍基Cu/Ni低压等离子喷涂涂层的膜基界面进行界面结合能的研究, 分析得到涂层界面的断裂表面能. 分析得出铁基纯镍Ni/Fe涂层界面的断裂表面能比镍基铜Cu/Ni涂层的断裂表面能高. 界面微观分析表明, 镍基铜Cu/Ni涂层材料疏松, 膜基界面存在较多裂纹, 另外涂层和基体观察不到元素扩散层. Ni/Fe涂层界面结合致密, 约有2~3 μm的元素扩散层.
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