The corrosion behavior of a material may be investigated by measuring its work function.
You can take a look to the following papers :
1. X.C. Huang, H. Lu and D.Y. Li, Understand the corrosion behavior of isomorphous Cu-Ni alloy from its electron work function, Materials Chemistry and Physics, 2016, in print.
2. S. Tao and D.Y. Li, Nanocrystallization Effect on the Surface Electron Work Function of Copper and Its Corrosion Behaviour, Phil. Mag. Lett., 88 (2008) 137-144.
3. W. Li and D.Y. Li, Influence of surface morphology on corrosion and electron behavior, Acta Materialia., 54 (2006) 445-452.
4. D.Y. Li, Electron work function at grain boundary and the corrosion behavior of nanocrystalline metallic materials, Mat. Res. Soc. Symp. , 887 (2006) 0887-Q05-03.1.
5. W. Li and D.Y. Li, Variations of work function and corrosion behaviour of deformed copper surfaces, Appl. Surf. Sci., 240 (2005) 388-395.
6. N. Fu, X. Tang, D. Y. Li, L. Parent, H. Tian, In-situ investigation of local corrosion at inter-phase boundary under an electrochemical-atomic force microscope, J. Solid State Electrochem., 2014, DOI 10.1007/s10008-014-2601-1.
Hi, from practical point of view.... You expose your material ( eg steel) to the corrosion environment (atmosphere, temperature, humidity, salt concentration, etc...) during a certain time (natural or accelerated test cycle?) and than measure the mass loss per area (mg or g per squared mm) after removing the corrosion product.
this figures are used mainly from engineers.
Hi, I don't know your experimental details. Generally, the corrosion can be detected by measurment of mass gain or loss, microscopic examination, electrochemical measurement and acoustic emission technique.
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