Article : texte imprimé

α- to γ-Al2O3 martensitic transformation induced by pulsed laser irradiation

P.F. Yan, Auteur ; M.L. Sui, Auteur |

Dans Acta materialia (Vol. 58 N° 11, Juin 2010)

A martensitic transformation from the α to the γ phase of aluminum oxide was observed by transmission electron microscopy (TEM) upon rapid heating induced by pulsed laser irradiation. Two variants possessing a twin relationship were found in the[...]

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Article : texte imprimé

Transmission electron microscopy study of stacking faults and their interaction with pyramidal dislocations in deformed Mg

B. Li, Auteur ; P.F. Yan, Auteur ; M.L. Sui, Auteur |

Dans Acta materialia (Vol. 58 N° 1, Janvier 2010)

We present transmission electron microscopy (TEM) observations of stacking faults (SFs) and their interactions with pyramidal dislocations, in plastically deformed polycrystalline pure magnesium. We have observed well-defined fringes as well as [...]

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