利用斑点试验、点蚀试验、电化学测试及扫描电镜等方法 ，研究了熔敷温度、保温时间和稀土添加量等工艺参数对热熔敷法制备的玻璃涂层耐蚀性的影响 ，探讨了添加稀土提高玻璃涂层耐蚀性的机理。
The impact test, the thermal shock test and the scanning electron microscopy were used to investigate the effect of rare earth oxide on the adhesiveness between the glass coating and the base metal.
在阳极极化试验中，当钢样的电位极化到点蚀电位或点蚀电位以上，钢中的夹杂物几乎都会活化而诱发点蚀。
In the polarization test, almost all inclusions can be active and initiate pitting when the potential of steels is equal to or higher than the pitting potential.
点腐蚀试验结果表明，在整个试验过程中，钎料表面表现为均匀腐蚀，点蚀的迹象不明显。
Point corrosion testing indicated that there is not point corrosion mark, and uniform corrosion characteristic was present to the filler metal.
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