Výsledky vyhledávání

Dark-field X-ray microscopy reveals mosaicity and strain gradients across sub-surface TiC and TiN particles in steel matrix composites

Autor: Can Yildirim, Gerald Ressel, Carsten Detlefs, Jozef Keckes, M. Kutsal, Werner Ecker, Phil Cook, J. Pörnbacher, K. Hlushko

Publikováno v: Hlushko, K, Keckes, J, Ressel, G, Pörnbacher, J, Ecker, W, Kutsal, M, Cook, P K, Detlefs, C & Yildirim, C 2020, ' Dark-field X-ray microscopy reveals mosaicity and strain gradients across sub-surface TiC and TiN particles in steel matrix composites ', Scripta Materialia, vol. 187, pp. 402-406 . https://doi.org/10.1016/j.scriptamat.2020.06.053

Residual strain gradients and crystallographic mosaicity across embedded ceramic particles within metal-matrix composites have remained experimentally inaccessible. In this work, we use synchrotron dark-field X-ray microscopy to characterize strain a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4681f04daac2a96fa331998f6329274
https://doi.org/10.1016/j.scriptamat.2020.06.053

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A multi-scale study of the interaction of Sn solutes with dislocations during static recovery in α-Fe

Autor: A. Vaugeois, Myriam Dumont, Phil Cook, N. Mavrikakis, M. Gauvin, W. Saikaly, Henning Friis Poulsen, Can Yildirim, M. Kutsal, Andrea Campos, R. Hubert, Pablo Rodriguez Calvillo, Dominique Mangelinck, Carsten Detlefs, Helena Zapolsky

Publikováno v: Acta Materialia
Acta Materialia, 2019, 174, pp.92-104. ⟨10.1016/j.actamat.2019.05.021⟩
Acta Materialia, Elsevier, 2019, 174, pp.92-104. ⟨10.1016/j.actamat.2019.05.021⟩
Mavrikakis, N, Detlefs, C, Cook, P K, Kutsal, M, Campos, A P C, Gauvin, M, Calvillo, P R, Saikaly, W, Hubert, R, Poulsen, H F, Vaugeois, A, Zapolsky, H, Mangelinck, D, Dumont, M & Yildirim, C 2019, ' A multi-scale study of the interaction of Sn solutes with dislocations during static recovery in α-Fe ', Acta Materialia, vol. 174, pp. 92-104 . https://doi.org/10.1016/j.actamat.2019.05.021

International audience; The properties of engineering materials can be improved by optimising the microstructural developments during annealing processes. Here, we investigate the effect of Sn on the recovery annealing of cold rolled Fe-3%Si alloys.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6096971fcc1e3d4177a581c60b4e58b2
https://doi.org/10.1016/j.actamat.2019.05.021

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Multiscale Exploration of Texture and Microstructure Development in Recrystallization Annealing of Heavily Deformed Ferritic Alloys

Autor: C Yildirim, N Mavrikakis, P K Cook, R Rodriguez Lamas, H F Poulsen, C Detlefs, M Kutsal

Publikováno v: IOP Conference Series: Materials Science and Engineering. 1249:012044

We present a multi-scale study of recrystallization annealing of an 85% cold rolled Fe-3%Si-0.1%Sn alloy using a combination of dark field X-ray microscopy (DFXM), synchrotron X-ray diffraction (SXRD), and electron backscatter diffraction (EBSD). Gra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::635333bab936b6447c72be6897784f37
https://doi.org/10.1088/1757-899x/1249/1/012044

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Bulk heterogeneity in barium titanate above the Curie temperature

Autor: Thomas Olsen, Can Yildirim, Jeppe Ormstrup, Hugh Simons, M. Kutsal, Emil V. Østergaard, Magnus Sebastian Christensen, Philip K. Cook

Publikováno v: Ormstrup, J, Østergaard, E V, Christensen, M S, Yildirim, C, Cook, P K, Kutsal, M, Olsen, T & Simons, H 2021, ' Bulk heterogeneity in barium titanate above the Curie temperature ', Applied Physics Letters, vol. 119, no. 20, 202901 . https://doi.org/10.1063/5.0065834

We use dark-field x-ray microscopy to reveal evidence of subtle structural heterogeneity in BaTiO3 single crystals at temperatures of 150 °C—well above the Curie temperature of 125 °C. The heterogeneity exhibits domain-like ordering on the scale

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e99658b2feabd5dba99614353e6473cf
https://orbit.dtu.dk/en/publications/0920280c-393e-40ed-9f31-cc36c97a3cd7

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In situ visualization of long-range defect interactions at the edge of melting

Autor: Jon Eggert, Arnulfo Gonzalez, Henning Friis Poulsen, Marylesa Howard, Leora E. Dresselhaus-Marais, M. Kutsal, Can Yildirim, Sean Breckling, Carsten Detlefs, Grethe Winther, Hugh Simons, Philip K. Cook

Publikováno v: Dresselhaus-Marais, L E, Winther, G, Howard, M, Gonzalez, A, Breckling, S R, Yildirim, C, Cook, P K, Kutsal, M, Simons, H, Detlefs, C, Eggert, J H & Poulsen, H F 2021, ' In situ visualization of long-range defect interactions at the edge of melting ', Science Advances, vol. 7, no. 29, eabe8311 . https://doi.org/10.1126/sciadv.abe8311
Science Advances
'Science Advances ', vol: 7, pages: eabe8311-1-eabe8311-8 (2021)

Dark-field X-ray microscopy movies reveal how patterns of microscopic defects in bulk aluminum destabilize from 97-99% of melting.
Connecting a bulk material’s microscopic defects to its macroscopic properties is an age-old problem in material

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4ab8c4f76caedbae0ce5622ce4ee8ca
https://orbit.dtu.dk/en/publications/5d495ace-7406-4aeb-8442-2e8c25121cd9

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Conference

Alaçam (Samsun) - Karataş (Adana) Jeotraversi Boyunca Çok Disiplinli Yerbilimleri Çalışmaları, Türkiye. (Turkish)

Autor: Kürçer, Akın, Kılıç, Ali Rıza, Hacısalihoğlu, Ömer, Değirmenci, Emre, Güler, Tayfun, Avcu, İrem, Karadenizli, Levent, Yıldırgan, M. Kutsal, Gürsoy, Halil, Bekin, Ekrem, Akın, Uğur, Alaca, Atakan, Bayrak, Ahmet, Çal, Çağatay

Publikováno v: Abstract of the Geological Congress of Turkey / Türkiye Jeoloji Kurultayı Bildiri Özleri; 2024, Issue 76, p591-591, 1p

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Imaging microstructural dynamics and strain fields in electro-active materials in situ with dark field x-ray microscopy

Autor: M. Kutsal, Carlos Cosculluela, Hugh Simons, Ragnvald H. Mathiesen, Emil V. Østergaard, Philip K. Cook, Yves Watier, Jeppe Ormstrup, Can Yildirim, Carsten Detlefs

Publikováno v: Review of Scientific Instruments
Ormstrup, J, Østergaard, E V, Detlefs, C, Mathiesen, R H, Yildirim, C, Kutsal, M, Cook, P K, Watier, Y, Cosculluela, C & Simons, H 2020, ' Imaging microstructural dynamics and strain fields in electro-active materials in situ with dark field x-ray microscopy ', Review of Scientific Instruments, vol. 91, no. 6, 065103 . https://doi.org/10.1063/1.5142319

The electric-field-induced and temperature induced dynamics of domains, defects, and phases play an important role in determining the macroscopic functional response of ferroelectric and piezoelectric materials. However, distinguishing and quantifyin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8641c6e8acdcf3cbbb1f0119d509510e
https://pubmed.ncbi.nlm.nih.gov/32611058

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Radiation furnace for synchrotron dark-field X-ray microscopy experiments

Autor: Phil Cook, Carsten Detlefs, M. Kutsal, Hugo Vitoux, Can Yildirim, Yves Watier, Leora E. Dresselhaus-Marais, Ricardo G. Steinmann

Publikováno v: Yildirim, C, Vitoux, H, Dresselhaus-Marais, L E, Steinmann, R, Watier, Y, Cook, P K, Kutsal, M & Detlefs, C 2020, ' Radiation furnace for synchrotron dark-field X-ray microscopy experiments ', Review of Scientific Instruments, vol. 91, no. 6, 065109 . https://doi.org/10.1063/1.5141139

We present a multi-purpose radiation furnace designed for x-ray experiments at synchrotrons. The furnace is optimized specifically for dark-field x-ray microscopy (DFXM) of crystalline materials at beamline ID06 of the European Synchrotron Radiation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec9a50daafd735832a8ea855aadd2ab6
https://orbit.dtu.dk/en/publications/eb39eb4c-758a-488c-86ae-2e91a214e98f

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