internal oxidation

internal oxidation

[in′tərn·əl ‚äk·sə′dā·shən]
(metallurgy)
The subsurface oxidation of components of an alloy due to oxygen diffusion into the metal.
References in periodicals archive ?
Applesthey contain quercetin, which prevents internal oxidation of LDL cholesterol or bad cholesterol
The iron content provides resistance to internal oxidation.
This is the first study showing that air pollutants promote the development of dysfunctional, pro-oxidative HDL cholesterol and the activation of an internal oxidation pathway, which may be one of the mechanisms in how air pollution can exacerbate clogged arteries that lead to heart disease and stroke," said senior author Dr.
transforms to internal oxidation, because of its strongest affinity for oxygen.
Aluminum tends to cause internal oxidation, while the noblest element--Cr, whose oxidation depends on the partial pressure of oxygen, tends to cause external oxidation.
All of the available AFA compositions exhibit a transition from protective alumina layer formation to internal oxidation of aluminum if the oxidation temperature is raised too high.
A possible cause for this behavior is embrittlement due to internal oxidation, arising from the heat treatment.
The study's real benefit, Roberts says, was to establish that isoprostanes are stable, highly quantifiable markers of internal oxidation that can be tested outside the body.
Transition between external and internal oxidation of alloys Y He, University of Science and Technology Beijing, China and Z Li and W Gao, The University of Auckland, New Zealand Introduction.
The standard ductile iron manifold was distorted, which leads to exhaust gas leakage, and displayed heavy internal oxidation scale, which could damage the turbo unit.
Titled "Contact Erosion of Ag/SnO2/In2O3 Made by Internal Oxidation and Powder Metallurgy," the research concluded that less-expensive indium-free alternatives can deliver comparable performance.
Conversely, when the temperature falls below this equilibrium, oxygen is made available in the melt, and internal oxidation of silicon in solution occurs.