Inductive Co-ordination Aspects of RectiFier Installations

Evans, R. D.

doi:10.1109/t-aiee.1946.6425798

Cited by 5 publications

(1 citation statement)

References 14 publications

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“…This is illustrated by plots of log It has been suggested by Evans (14) and Loriers (15) that transition from a parabolic to a linear oxidation rate relationship occurs for pure metals if porous oxide forms over compact oxide. The inner compact layer tends to a limiting thickness y .... when its formation rate is equal to its transformation rate to porous oxide.…”

Section: Alloy Oxidationmentioning

confidence: 99%

Oxidation of An Aluminum-3 Per Cent Magnesium Alloy in the Temperature Range 200°–550°C

Smeltzer

1958

J. Electrochem. Soc.

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A study of the oxldation and magnesium evaporation kinetics has been carried out on an aluminum-3% magnesium alloy. A metallographic examination of the surface oxide films produced was included. The alloy was oxidation resistant to 200~ At temperatures greater than 350~ the oxidation rate was initially inversely proportional to the oxide film thickness, transforming to a constant rate for long exposures.Selective oxidation of magnesium caused formation of aluminum inclusions in the surface oxide. These inclusions imparted a black discoloration to the alloy surface. Magnesium evaporated from the alloy in a vacuum at temperatures greater than 350~ after an induction period, the duration of which was dependent on the temperature.A comparison of the magnesium evaporation and alloy oxidation rates demonstrated that the oxide film offered resistance to oxidation of the metal.

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Section: Alloy Oxidationmentioning

confidence: 99%