Objective: To study the shape and thickness of oxide film on Ni-Cr porcelain alloy after different surface pretreatment including anodizing and degassing-preoxidation.

• 摘要目的：分析烤瓷用镍铬合金在上瓷前经过阳极钝化，除气预氧化处理后对其表面氧化膜的形貌、厚度的影响。