Static secondary ion mass spectrometry investigation of corrosion inhibitor Irgamet®39 on copper surfaces treated in power transformer insulating oil
Static secondary ion mass spectrometry investigation of corrosion inhibitor Irgamet®39 on copper surfaces treated in power transformer insulating oil
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DOI：
10.1016/j.corsci.2015.05.046
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发表时间：
2015-09
影响因子：
8.3
通讯作者：
M. Facciotti;P. Amaro;Richard C. D. Brown;P. Lewin;J. Pilgrim;G. Wilson;P. Jarman;I. W. Fletcher
中科院分区：
文献类型：
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作者：
M. Facciotti;P. Amaro;Richard C. D. Brown;P. Lewin;J. Pilgrim;G. Wilson;P. Jarman;I. W. Fletcher
用静态二次离子质谱仪研究了铜在绝缘油中处理后表面的缓蚀剂IrGamet®39，并通过真空程序升温脱附实验研究了温度变化对金属覆盖率的影响。四种商品油，无论是腐蚀性的还是非腐蚀性的，对甲苯基三氮唑层的稳定性都没有显著的影响，其主要从铜中解吸的能量约为100kJ·−-1。最后，描述了一个离子成像作为诊断工具跟踪缓蚀剂和副产物在退役或故障电力变压器中的分布的例子。
Static secondary ion mass spectrometry was used to study the corrosion inhibitor Irgamet®39 on the surface of copper treated in insulating oils and the effect of temperature changes, by means of temperature programmed desorption experiments under vacuum, on metal coverage. Four commercial oils, both corrosive and non-corrosive, showed no significant influence on the stability of the tolyltriazole layer and the energy of its main desorption event from copper was calculated around 100 kJ mol−1. Finally, an example of ion imaging as diagnostic tool to track the distribution of corrosion inhibitor and by-products in decommissioned or failed power transformers is described.