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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References in periodicals archive ?
The book contains useful information on precipitation hardening and related topics.
'Precipitation Hardening in "Alloy Series, Harper Brothers, Publishers, New York, USA (1956) [49-50].
Thus, the precipitation hardening has a decisive effect on creep properties of microalloyed steels.
The company has completed extensive development on Hastalloy B, precipitation hardening alloys and the duplex alloys, all of which have excellent mechanical properties.
Different mechanisms realize the aimed high strength of this steel group: precipitation hardening by hindering the dislocation movement, grain refinement due to nucleation at precipitates, and grain growth hindrance at high temperature by TiN.
Chemical composition of steel can be modified adding some alloying elements such as Cr, Ni, Mn, Si, W and others, which form hard carbides or joint intermetallic compounds required for precipitation hardening [1].
The hardening effect deriving from solid-solution strengthening of hydrogen eventually overrode that from precipitation hardening. The maximum hardness elevation was from 236.9 to 491.1 VHN.
The strengthening mechanisms alloys (A and B) divided into the precipitation hardening in addition to dispersion strengthening.

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