Hardening

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Hardening

1. The process by which a sudden change to the price of a commodity or futures contract slow and gradually corrects itself, bringing the price into alignment with fundamentals. See also: Reversion to the Mean.

2. A slow but steady rise in price for a futures market or contract.
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The higher shearing rate causes strain softening phenomenon and the lower shearing rate causes strain hardening of sample.
Dual phase-steels exhibit of strain hardening effect, i.
The Strain Hardening Method allows that time to be slashed to a few hours, requiring a simple tensile test at 80AC.
Further, the grain structure and strain hardening relationship enables the elbows to outperform the tube even with less wall thickness.
The thermal softening and strain hardening effects oppose the flow stress of the material which resulted in lower stress predictions.
The computer model of "Program Cabut-Serat Fraktur" represents the fracture phenomenon during the pull-out process, that is four stages of initial pre-slip, slip, transition, and strain hardening.
1] are observed, indicative of a very slight strain hardening, again attributed to its bimodal molecular weight distribution.
They combine good melt strength and draw-down ratio with sag resistance and strain hardening.
This difference could be due to the differences in strain hardening of octene based EAO copolymers versus butene based EAO copolymers, it has been postulated that this increase in strain hardening (i.
In cyclic loading, the Ramberg-Osgood stress-strain relationship for the strain hardening exponent (n) and the strength coefficient (K) typically changes as the material hardens, or softens, until a stable state is reestablished.
This method is applied to both strain hardening and strain rate dependent materials.