F. S. Pettit, C. S. Giggins, J. A. Goebel and E. J. Felten: `Chapter 10 - oxidation and hot corrosion resistance' in `Alloy and micro- structural Design', (ed. J.K. Tien), 349-402; 1976, London, Academic Press.F. S. Pettit et al, "Oxidation and Hot Corrosion Resistance,...
It has been discussed previously how two reactions occur in an electrolyte during corrosion to one and the same material (seeFig. 1). The corrodent material is therefore amultiple electrode. The electric potential difference resulting from the two reactions determines the absolute corrosion potential...
A pulsed heat energized system for detecting corrosion or similar oxidation products located intermediate a layer of metal and an overlying layer of paint or other metal protective material. The system employs a continuing stream of radiant thermal energy pulses impinging on the external surface of th...
This distinct difference in the two regions remains at the three different beam current densities tested, including 0.3, 0.4, and 0.5 μA cm−2 corresponding to 0.018, 0.022, and 0.028 peak displacements per atom, respectively. The proton irradiation, as the only difference between these...
Fig. 2: Cu corrosion resistance of monolayer and bilayer graphene. Full size image To have a more comprehensive understanding of oxidation behaviours at the graphene–Cu interface, we utilized a combination of in situ methods. First, we used atomic force microscopy (AFM) to track the evolution ...
Y2O3 can greatly improve compactness of the aluminized coating, increase thickness, surface micro-hardness and high temperature oxidation resistance of the ... JM Luo,JL Xu,LP Deng - 《Advanced Materials Research》 被引量: 0发表: 2011年 The effect of ultrasonic surface rolling process on the fr...
Plasma electrolytic oxidation (PEO) of Mg‐based AZ91D alloys was investigated using 50 Hz AC anodizing technique in an alkaline borate solution, which contained a new kind of organic additive and without F, P, and Cr. The anodizing technological parameters have been optimized and a kind of iv...
A major difference between Pt- and Pd-modified aluminide coatings resided in the fact that the Pd zone was single-phased and the constitutive phase was β-(Pd x,Ni 1 x)Al. The isothermal oxidation resistance of the Pd–20 wt.% Ni alloy modified coatings was better than that of the ...
The extraction of pure metal from the ore is a reduction process, and reverse, namely, conversion of pure metals into their ores is anoxidation processwhere there is decrease in free energy and hence a thermodynamically favorable, stable process (Fig. 7.1). ...
However, surface oxides come in many forms which depend on the metallurgical history, surface preparation, and environmental exposure. In reality, the nature of the passive oxide layer on pure aluminium is far different to oxides on the surface of real Al alloys. Pure aluminium oxidation proceeds...