Optimization of the surface properties of nanostructured Ni-W alloys on steel by a mixed silane layer

Quiroga Arganaraz M. P.; Ramallo-Lopez J. M.; Benitez G.; Rubert A.; Prieto E. D.; Gassa L. M.; Salvarezza R. C.; Vela M. E.

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Optimization of the surface properties of nanostructured Ni-W alloys on steel by a mixed silane layer

机译：混合硅烷层优化钢上纳米结构Ni-W合金的表面性能

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Ni-W nanostructured coatings electrodeposited on steel by galvanostatic pulses were functionalized by tetraethoxysilane (TEOS) and octadecyltrichlorosilane (OTS) in a two-step procedure. A silica-rich layer is formed by the reaction of TEOS with the metal coating surface oxides, which allows a further reaction with OTS forming a hydrocarbon-silica outer network. This mixed silane layer provides hydrophobicity and improves the corrosion behavior of the Ni-W surface coatings without modifying their excellent mechanical properties.

机译：在两个步骤中，通过四乙氧基硅烷（TEOS）和十八烷基三氯硅烷（OTS）将通过恒电流脉冲电沉积在钢上的Ni-W纳米结构涂层功能化。富含二氧化硅的层是通过TEOS与金属涂层表面氧化物的反应形成的，从而可以与OTS进一步反应，形成烃-二氧化硅外部网络。这种混合的硅烷层具有疏水性，并改善了Ni-W表面涂层的腐蚀性能，而不会改变其优异的机械性能。

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《Physical chemistry chemical physics: PCCP》 |2015年第21期|共7页
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Quiroga Arganaraz M. P.; Ramallo-Lopez J. M.; Benitez G.; Rubert A.; Prieto E. D.; Gassa L. M.; Salvarezza R. C.; Vela M. E.;
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Optimization of the surface properties of nanostructured Ni-W alloys on steel by a mixed silane layer

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