Growth of omega inclusions in Ti alloys: An X-ray diffraction study

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10140089" target="_blank" >RIV/00216208:11320/13:10140089 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.actamat.2013.07.059" target="_blank" >http://dx.doi.org/10.1016/j.actamat.2013.07.059</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.actamat.2013.07.059" target="_blank" >10.1016/j.actamat.2013.07.059</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Growth of omega inclusions in Ti alloys: An X-ray diffraction study

Popis výsledku v původním jazyce

We investigated the size and crystal structure of nanometer-sized omega inclusions in single crystals of beta-Ti alloys by X-ray diffraction pole-figure measurements and reciprocal space mapping. We studied the topotactical relation of the beta and omegacrystal lattices, and from the positions and shapes of the diffraction maxima of the omega lattice determined the mean size of the omega inclusions and the misfit of the inclusion lattice with respect to the host lattice, as well as their changes duringageing. The lattice of the omega inclusions exhibits a large positive misfit already before ageing and the misfit is subsequently reduced during the ageing process. Using the theories of elasticity and X-ray scattering we simulated diffuse X-ray scattering around the beta diffraction maxima and demonstrated that the diffuse scattering is caused mainly by local elastic strains in the beta host phase around the omega inclusions.

Název v anglickém jazyce

Growth of omega inclusions in Ti alloys: An X-ray diffraction study

Popis výsledku anglicky

We investigated the size and crystal structure of nanometer-sized omega inclusions in single crystals of beta-Ti alloys by X-ray diffraction pole-figure measurements and reciprocal space mapping. We studied the topotactical relation of the beta and omegacrystal lattices, and from the positions and shapes of the diffraction maxima of the omega lattice determined the mean size of the omega inclusions and the misfit of the inclusion lattice with respect to the host lattice, as well as their changes duringageing. The lattice of the omega inclusions exhibits a large positive misfit already before ageing and the misfit is subsequently reduced during the ageing process. Using the theories of elasticity and X-ray scattering we simulated diffuse X-ray scattering around the beta diffraction maxima and demonstrated that the diffuse scattering is caused mainly by local elastic strains in the beta host phase around the omega inclusions.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Acta Materialia

ISSN

1359-6454

e-ISSN

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Svazek periodika

61

Číslo periodika v rámci svazku

17

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

6635-6645

Kód UT WoS článku

000324791700028

EID výsledku v databázi Scopus

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