Construct · 1 fields · 1 citations

breakaway: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
breakaway1 CONSTRUCTBreakaway oxidationBREAKAWAY OXIDATION

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

High-temperature corrosion

A protective scale fails and oxidation races

In high-temperature corrosion, breakaway oxidation is the sudden transition from slow, protective oxide growth to rapid, sustained attack, which happens when the compact protective scale cracks, spalls, or loses the element that fed it, exposing fresh metal so the oxidation rate jumps. Birks, Meier, and Pettit's Introduction to the high-temperature oxidation of metals treats the scale behaviour and the conditions under which this breakdown occurs. The referent is a kinetic regime change in a metal's oxidation, a materials-science construct that borrows the word 'breakaway' for the moment protection is lost, unrelated to a group of cyclists escaping a field.[1]

Unit
The jump in oxidation rate once the protective scale fails
Recovery means
A fresh protective scale can sometimes re-establish if the depleted element is still available, slowing attack again
Measured by
Detected by a sharp rise in mass-gain or scale-thickness kinetics marking loss of protective behaviour

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Nearby constructs

echelon1 fields · 1 citationsanchor · a standalone construct

References

  1. Birks, N., Meier, G. H., & Pettit, F. S. (2006). Introduction to the high-temperature oxidation of metals (2nd ed.). Cambridge University Press. ISBN 9780521480420

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