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Refining Bimodal Microstructure of Materials with MSTRUCT

SYSNO ASEP	0438129
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Refining Bimodal Microstructure of Materials with MSTRUCT
Author(s)	Matěj, Z. (CZ) Kadlecová, A. (CZ) Janeček, M. (CZ) Matějová, Lenka (UCHP-M)_{RID, ORCID, SAI} Dopita, M. (DE) Kužel, R. (CZ)
Source Title	Powder Diffraction. - : Cambridge University Press - ISSN 0885-7156 Roč. 29, S2 (2014), S35-S41
Number of pages	7 s.
Language	eng - English
Country	US - United States
Keywords	XRD ; bimodal ; crystallite size
Subject RIV	BM - Solid Matter Physics ; Magnetism
R&D Projects	GA14-23274S GA ČR - Czech Science Foundation (CSF)
Institutional support	UCHP-M - RVO:67985858
UT WOS	000353563000007
EID SCOPUS	84919398487
DOI	10.1017/S0885715614000852
Annotation	The possibilities of modelling the diffraction profiles from bimodal microstructure in computer program MSTRUCT are demonstrated on two examples. A special Double Component profile effect can be utilized for such problems. At first it was applied to an analysis of a mixture of two nanocrystalline anatase powders with different crystallite sizes and the relative ratio of both components was determined from X-ray diffraction data. In the second case study, diffraction peaks from a pure polycrystalline copper sample treated by equal channel angular pressing were fitted using a two-phase model of large recrystallized defect-free grains and ultrafine crystallites with high dislocation density. The method is shown to be suitable for determination of the relative fraction of the microstructural components as well as other parameters (e.g. dislocation density).
Workplace	Institute of Chemical Process Fundamentals
Contact	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Year of Publishing	2015

Number of the records: 1