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Publikováno v:
Revista de Metalurgia, Vol 48, Iss 1, Pp 67-75 (2012)
The thermal aging of both a quenched and a cold rolled homogeneous supersaturated Cu-9 % wt Ni-5.5 wt % Sn alloy has been studied from differential scanning calorimetry (DSC) and microhardness measurements. An increase of the hardness during the agin
Autor:
M.J. Dianez, Luis A. Pérez-Maqueda, Pedro E. Sánchez-Jiménez, José M. Criado, Antonio Perejón
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
idUS. Depósito de Investigación de la Universidad de Sevilla
A mechanochemical procedure is proposed for an easy preparation of a BaTiO3-Ni composite in a single step. BaTiO3 and Ni powders available in the market are mixed by dry ball milling producing a decrease of particle size and an evenly distribution of
Publikováno v:
Revista de Metalurgia, Vol 46, Iss 3, Pp 197-205 (2010)
Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC. Repositorio Institucional del CSIC
instname
9 páginas, 7 figuras, 2 tablas.
[EN] The micro and nanostructure of Cu-Al, Cu-V and Cu-Ti alloys produced by reactive milling were analyzed using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Samples with different milling
[EN] The micro and nanostructure of Cu-Al, Cu-V and Cu-Ti alloys produced by reactive milling were analyzed using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Samples with different milling
Publikováno v:
Applied Organometallic Chemistry. 19:854-858
The gas-phase synthesis and chemical vapour deposition of nanostructured germanium telluride has been achieved for the first time. The pulsed IR laser irradiation of gaseous CH3)4Ge(CH3)2TeSF6 mixtures results in homogeneous decomposition of both org
Autor:
Luis A. Pérez-Maqueda, J. M. Criado, M.J. Dianez, María D. Alcalá, C. Real, Francisco J. Gotor
Publikováno v:
Thermochimica Acta. 351:125-130
An equipment for thermally stimulated current (TSC) analysis has been developed. The system can be operated at temperatures from 90 up to 1273 K. The cryogenic system developed for measuring the electrical properties of materials below room temperatu
Publikováno v:
Journal of Solid State Chemistry. 123:301-305
A nanometric BaTiO 3 powder sample with a medium crystallite size D = 157 A has been prepared from the thermal decomposition of BaTiO(C 2 O 4 ) · 4.5H 2 O by constant rate thermal analysis (CRTA). Rietveld analysis of the XRD pattern shows that this
Autor:
Antonio Perejón, José M. Criado, Pedro E. Sánchez-Jiménez, M.J. Dianez, Luis A. Pérez-Maqueda
Publikováno v:
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC. Repositorio Institucional del CSIC
In this paper, a novel method for calculating degradation kinetics is presented. The method has been applied to the thermal dehydrochlorination of two different samples of PVC. It has been observed that this dehydrochlorination is complex and involve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66bc10eb02419b7fce4dc7ec69775555
Publikováno v:
Ferroelectrics Letters Section. 14:79-84
The Constant Rate Thermal Analysis method has been used under different experimental conditions to obtain barium titanate powder of very small grain size. Both a crystallographic and a dielectric study ham been carried out on samples sintered at diff
Autor:
Jan Šubrt, M.J. Dianez, José M. Criado, Luis A. Pérez-Maqueda, Nataliya Murafa, Pedro E. Sánchez-Jiménez, Antonio Perejón
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
idUS. Depósito de Investigación de la Universidad de Sevilla
n this work, a mechanochemical procedure is proposed as a simple and fast method to synthesize the pure BiFeO3 perovskite phase as a nanostructured material without the need for purification treatments, while the mechanochemical reaction mechanism ha