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processus transformation cobalt

processus transformation cobalt
First Principles Theory of the hcp-fcc Phase Transition in

2017年6月19日  The hcp-fcc phase transition that occurs in cobalt at ~700 K has not yet been fully understood, although early theoretical studies have suggested that magnetism

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Temperature induced phase transformation in Co Scientific Reports

2022年6月16日  Temperature dependent phase transformation behavior in cobalt from hexagonal close-packed (hcp) to face centered cubic (fcc) has been found to be

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Structural and phase transformation of cobalt films grown

2017年1月31日  Structural and phase transformation of cobalt films grown on amorphous carbon - ScienceDirect. Thin Solid Films. Volume 622, 31 January 2017, Pages 84-88.

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The cobalt transformation - ScienceDirect

The f.c.c. ⇋ h.c.p. transformation in cobalt powder (equilibrium temperature = 417°C)has been studied by X-ray methods and correlated with the density of stacking faults in both

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Phase transformation and roasting kinetics of cobalt-rich copper ...

2022年12月25日  Abstract. The recovery rates of copper (99 %) and cobalt (93 %) could be significantly increased by adding sodium sulfate in activated roasting of Cobalt-rich

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Grain refinement process in a cold-rolled polycrystalline

2020年6月1日  Phase transformation. Twinning. 1. Introduction. Cobalt (Co) and Co-based alloys have been widely applied as biomaterials and magnetic materials due to

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Study on the oxidation process of cobalt hydroxide to

2016年8月18日  Abstract. The transformation process of cobalt hydroxide (Co (OH) 2) to cobalt oxides (Co 3 O 4 /CoOOH) in aqueous solution was studied in the temperature

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Detecting structural transformation of cobalt

In recent years, several cobalt-based catalysts have been developed for water splitting because of their promising activity, stability and structural motifs. Here, we report that cobalt phosphonate represents a novel

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Theory of the martensitic transformation in cobalt

A phenomenological theory of the martensitic fcc-hcp transformation is proposed and applied to the illus-trative example of cobalt. The fcc and hcp structures are shown to

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