Cyril Cayron
Fields of expertise
Crystallography, Metallurgy, Phase Transformations, Group theory, Electron Microscopy, SEM, EBSD, TEM.
Biography
1992-1995 Engineering School. Ecole des Mines de Nancy.
1994-1995 Master's degree in Materials Science (rank = 1st)
1995-1996 Military Service
1996-2000 PhD at EPFL-CIME. Precipitation in 6xxx alloys and composites.
2000-2014 Researcher, Engineer and Group leader on materials for new energies at CEA-Grenoble, France.
2012 Habilitation to supervise researches (HDR)
2014-now Senior Scientist at EPFL-LMTM
Creator of the computer programs GenOVa and ARPGE (in Python).
I currently work on crystallographic models of martensitic transformations and deformation twinning.
Current work
Crystallography of structural phase transformations.
Martensitic transformation, deformation twinning.
Please go to https://www.researchgate.net/profile/Cyril_Cayron
Infoscience publications
Publications
2019
A. P. Baur; C. Cayron; R. E. Loge : On the chevron morphology of surface martensite; Acta Materialia. 2019-10-15. DOI : 10.1016/j.actamat.2019.08.021.
M. N. D. Larcher; C. Cayron; A. Blatter; R. Soulignac; R. E. Loge : Electron backscatter diffraction study of variant selection during ordering phase transformation in L1(0)-type red gold alloy; Journal Of Applied Crystallography. 2019-10-01. DOI : 10.1107/S1600576719011890.
C. Cayron : The transformation matrices (distortion, orientation, correspondence), their continuous forms and their variants (vol A75, pg 411, 2019); Acta Crystallographica A-Foundation and Advances. 2019-09-01. DOI : 10.1107/S2053273319009276.
S. Irukuvarghula; H. Hassanin; C. Cayron; M. Aristizabal; M. M. Attallah et al. : Effect of powder characteristics and oxygen content on modifications to the microstructural topology during hot isostatic pressing of an austenitic steel; Acta Materialia. 2019-06-15. DOI : 10.1016/j.actamat.2019.03.038.
T. M. Erickson; N. E. Timms; M. A. Pearce; C. Cayron; A. Deutsch et al. : Shock-produced high-pressure (La, Ce, Th)PO4 polymorph revealed by microstructural phase heritage of monazite; Geology. 2019-06-01. DOI : 10.1130/G46008.1.
J. M. Wang; B. F. Luan; R. L. Xin; Q. F. Xing; K. L. Murty et al. : Experimental and theoretical investigation of crystallography and variant selection during massive transformation in Zr alloy; Philosophical Magazine. 2019-05-19. DOI : 10.1080/14786435.2019.1574408.
G. Mao; R. Cao; C. Cayron; X. Mao; R. Loge et al. : Effect of cooling conditions on microstructures and mechanical behaviors of reheated low-carbon weld metals; Materials Science And Engineering A-Structural Materials Properties Microstructure And Processing. 2019-01-28. DOI : 10.1016/j.msea.2018.12.035.
2018
G. Mao; C. Cayron; R. Cao; R. Loge; J. Chen : Study on Bainite/Martensite Transformation in Reheated Weld Metals. 2018-01-01. 10th International Conference on Processing and Manufacturing of Advanced Materials Processing, Fabrication, Properties, Applications (THERMEC), Paris, FRANCE, Jul 09-13, 2018. p. 645-650. DOI : 10.4028/www.scientific.net/MSF.941.645.
C. Cayron : Shifting the Shear Paradigm in the Crystallographic Models of Displacive Transformations in Metals and Alloys; CRYSTALS. 2018. DOI : 10.3390/cryst8040181.
L. White; J. Darling; D. Moser; C. Cayron; I. Barker et al. : Baddeleyite as a widespread and sensitive indicator of meteorite bombardment in planetary crusts; GEOLOGY. 2018. DOI : 10.1130/G45008.1.
C. Cayron : A one-step mechanism for new twinning modes in magnesium and titanium alloys modelled by the obliquity correction of a (58 degrees, a+2b) prototype stretch twin; Acta Crystallographica A-Foundation And Advances. 2018. DOI : 10.1107/S2053273317015042.
2017
N. E. Timms; T. M. Erickson; M. R. Zanetti; M. A. Pearce; C. Cayron et al. : Cubic zirconia in >2370◦C impact melt records Earth’s hottest crust; Earth and Planetary Science Letters. 2017. DOI : 10.1016/j.epsl.2017.08.012.
W. Yan; T. Nguyen-Dang; C. Cayron; T. Dasgupta; A. G. Page et al. : Microstructure tailoring of selenium-core multimaterial optoelectronic fibers; Optical Materials Express. 2017. DOI : 10.1364/OME.7.001388.
S. Irukuvarghula; H. Hassanin; C. Cayron; M. Attallah; D. Stewart et al. : Evolution of grain boundary network topology in 316L austenitic stainless steel during powder hot isostatic pressing; Acta Materialia. 2017. DOI : 10.1016/j.actamat.2017.04.068.
C. Cayron : Hard-sphere displacive model of deformation twinning in hexagonal close-packed metals. Revisiting the case of the (56, a) contraction twins in magnesium; Acta Crystallographica A. 2017. DOI : 10.1107/S2053273317005459.
K. Huang; C. Cayron; R. E. Logé : The surprising influence of continuous alternating electric current on recrystallization behaviour of a cold-rolled Aluminium alloy; Materials Characterization. 2017. DOI : 10.1016/j.matchar.2017.04.036.
C. Cayron : Hard-sphere displacive model of extension twinning in magnesium; Materials and Design. 2017. DOI : 10.1016/j.matdes.2017.01.047.
A. P. Baur; C. Cayron; R. Logé : {225} habit planes in martensitic steels: from the PTMC to a continuous model; Scientific Reports. 2017. DOI : 10.1038/srep40938.
2016
C. Leinenbach; W. J. Lee; A. Lis; A. Arabi-Hashemi; C. Cayron et al. : Creep and stress relaxation of a FeMnSi-based shape memory alloy at low temperatures; Materials Science And Engineering A-Structural Materials Properties Microstructure And Processing. 2016. DOI : 10.1016/j.msea.2016.09.042.
C. Cayron : Angular distortive matrices of phase transitions in the fcc-bcc-hcp system; Acta Materialia. 2016. DOI : 10.1016/j.actamat.2016.01.075.
2015
V. Mantic-Lugo; A. Cayron; Brun; F. Gallaire : Beer tapping: dynamics of bubbles after impact. 2015. 9th International Symposium on Cavitation (CAV). p. 012029. DOI : 10.1088/1742-6596/656/1/012029.
C. Cayron : Continuous atomic displacements and lattice distortion during fcc–bcc martensitic transformation; Acta Materialia. 2015. DOI : 10.1016/j.actamat.2015.06.010.
2014
C. Cayron : EBSD imaging of orientation relationships and variant groupings in different martensitic alloys and Widmanstätten iron meteorites; Materials Characterization. 2014. DOI : 10.1016/j.matchar.2014.05.015.
V. Consonni; N. Baier; O. Robach; C. Cayron; F. Donatini et al. : Local band bending and grain-to-grain interaction induced strain nonuniformity in polycrystalline CdTe films; Physical Review B - Condensed Matter and Materials Physics. 2014. DOI : 10.1103/PhysRevB.89.035310.
2013
T. Epicier; C. Cayron : Metastable precipitation in 6XXX Al alloys as revealed by STEM-ADF at the atomic level; Revue de Metallurgie. Cahiers D'Informations Techniques. 2013. DOI : 10.1051/metal/2012018.
P. Suikkanen; C. Cayron; A. DeArdo; L. Karjalainen : Crystallographic Analysis of Isothermally Transformed Bainite in 0.2C-2.0Mn-1.5Si-0.6Cr Steel Using EBSD; Journal of Materials Science and Technology. 2013. DOI : 10.1016/j.jmst.2013.01.015.
P. Olier; M. Couvrat; C. Cayron; N. Lochet; L. Chaffron : Incidence of mechanical alloying contamination on oxides and carbides formation in ODS ferritic steels; Journal of Nuclear Materials. 2013. DOI : 10.1016/j.jnucmat.2013.03.090.
F. Roux; S. Amtablian; M. Anton; G. Besnard; L. Bilhaut et al. : Chalcopyrite thin-film solar cells by industry-compatible ink-based process; Solar Energy Materials and Solar Cells. 2013. DOI : 10.1016/j.solmat.2013.03.029.
A. Al Shahrani; N. Yazdipour; A. Dehghan-Manshadi; A. Gazder; C. Cayron et al. : The effect of processing parameters on the dynamic recrystallisation behaviour of API-X70 pipeline steel; Materials Science and Engineering A. 2013. DOI : 10.1016/j.msea.2013.01.066.
F. Delachat; F. Antoni; A. Slaoui; C. Cayron; C. Ducros et al. : Excimer laser crystallization of amorphous silicon on metallic substrate; Applied Physics A: Materials Science and Processing. 2013. DOI : 10.1007/s00339-013-7643-1.
C. Cayron : One-step model of the face-centred-cubic to body-centred-cubic martensitic transformation; Acta Crystallographica Section A: Foundations of Crystallography. 2013. DOI : 10.1107/S0108767313019016.
D. Robert; T. Douillard; A. Boulineau; G. Brunetti; P. Nowakowski et al. : Multiscale phase mapping of LiFePO4-based electrodes by transmission electron microscopy and electron forward scattering diffraction; ACS Nano. 2013. DOI : 10.1021/nn4043964.
L. Toualbi; C. Cayron; P. Olier; R. Logé; Y. De Carlan : Relationships between mechanical behavior and microstructural evolutions in Fe 9Cr-ODS during the fabrication route of SFR cladding tubes; Journal of Nuclear Materials. 2013. DOI : 10.1016/j.jnucmat.2013.04.052.
2012
M. Den Hertog; C. Cayron; P. Gentile; F. Dhalluin; F. Oehler et al. : Hidden defects in silicon nanowires; Nanotechnology. 2012. DOI : 10.1088/0957-4484/23/2/025701.
D. Kohen; C. Cayron; E. De Vito; V. Tileli; P. Faucherand et al. : Aluminum catalyzed growth of silicon nanowires: Al atom location and the influence of silicon precursor pressure on the morphology; Journal of Crystal Growth. 2012. DOI : 10.1016/j.jcrysgro.2011.12.057.
T. Caillot; G. Gauthier; P. Delichère; C. Cayron; F. Cadete Santos Aires : Evidence of anti-coking behavior of La 0.8Sr 0.2Cr 0.98Ru 0.02O 3 as potential anode material for Solid Oxide Fuel Cells directly fed under methane; Journal of Catalysis. 2012. DOI : 10.1016/j.jcat.2012.03.012.
A. Jouini; D. Ponthenier; H. Lignier; N. Enjalbert; B. Marie et al. : Improved multicrystalline silicon ingot crystal quality through seed growth for high efficiency solar cells; Progress in Photovoltaics: Research and Applications. 2012. DOI : 10.1002/pip.1221.
Z. Said-Bacar; P. Prathap; C. Cayron; F. Mermet; Y. Leroy et al. : CW laser induced crystallization of thin amorphous silicon films deposited by EBE and PECVD; Applied Surface Science. 2012. DOI : 10.1016/j.apsusc.2012.04.023.
A. Kallel; G. Roux; T. Derycke; C. Martin; M. Marinova et al. : Microstructure and thermoelectric properties of bulk and porous n-type silicon-germanium alloy prepared by HUP. 2012. 9th European Conference on Thermoelectrics, ECT 2011, 2012. DOI : 10.1063/1.4731583.
L. Toualbi; C. Cayron; P. Olier; J. Malaplate; M. Praud et al. : Assessment of a new fabrication route for Fe-9Cr-1W ODS cladding tubes; Journal of Nuclear Materials. 2012. DOI : 10.1016/j.jnucmat.2011.12.013.
2011
C. Cayron : Quantification of multiple twinning in face centred cubic materials; Acta Materialia. 2011. DOI : 10.1016/j.actamat.2010.09.029.
C. Cayron : New theory of fcc-bcc martensitic transformations in steels; Revue de Metallurgie. Cahiers D'Informations Techniques. 2011. DOI : 10.1051/metal/2011005.
C. Cayron; F. Barcelo; Y. De Carlan : Reply to "comments on 'The mechanisms of the fcc-bcc martensitic transformation revealed by pole figures'"; Scripta Materialia. 2011. DOI : 10.1016/j.scriptamat.2010.09.004.
A. Sibil; T. Douillard; C. Cayron; N. Godin; M. R'mili et al. : Microcracking of high zirconia refractories after t→m phase transition during cooling: An EBSD study; Journal of the European Ceramic Society. 2011. DOI : 10.1016/j.jeurceramsoc.2011.02.033.
A. DeArdo; C. Cayron; L. Karjalainen; P. Suikkanen : Crystallographic analysis of martensite in 0.2C-2.0Mn-1.5Si-0.6Cr steel by EBSD; Metallurgia Italiana. 2011.
R. Najjar; S. Boutami; C. Cayron; N. Baclet; V. Muffato et al. : A nano-particle synthesis technology dedicated to solar cells applications. 2011.
A. Shirzadi; H. Abreu; C. Cayron; S. Ubhi : Combined effect of stress and strain on crystallographic orientation of bainite; Ironmaking and Steelmaking. 2011. DOI : 10.1179/1743281211Y.0000000012.
P. Suikkanen; C. Cayron; A. DeArdo; L. Karjalainen : Crystallographic analysis of martensite in 0.2C-2.0Mn-1.5Si-0.6Cr steel using EBSD; Journal of Materials Science and Technology. 2011. DOI : 10.1016/S1005-0302(11)60165-5.
G. Brunetti; D. Robert; P. Bayle-Guillemaud; J. Rouvière; E. Rauch et al. : Confirmation of the domino-cascade model by lifepo4/fepo 4 precession electron diffraction; Chemistry of Materials. 2011. DOI : 10.1021/cm201783z.
D. Kohen; V. Tileli; C. Cayron; P. Faucherand; C. Morin et al. : Al catalyzed growth of silicon nanowires and subsequent in situ dry etching of the catalyst for photovoltaic application; Physica Status Solidi (A) Applications and Materials Science. 2011. DOI : 10.1002/pssa.201127072.
G. Brunetti; R. Galand; J. Rouvière; L. Clément; C. Cayron et al. : Measurement of nanograin orientations: Application to Cu interconnects. 2011. Frontiers of Characterization and Metrology for Nanoelectronics: 2011, 2011. DOI : 10.1063/1.3657901.
2010
C. Cayron; F. Barcelo; Y. Carlan : The mechanisms of the fcc-bcc martensitic transformation revealed by pole figures; Acta Materialia. 2010. DOI : 10.1016/j.actamat.2009.10.046.
C. Cayron; A. Montani; D. Venet; Y. Carlan : Identification of new phases in annealed Fe-18CrWTi ODS powders; Journal of Nuclear Materials. 2010. DOI : 10.1016/j.jnucmat.2010.01.023.
S. Olivier; T. Decorps; M.-L. Calvo-Muñoz; S. Da Silva; C. Cayron et al. : Inhomogeneous nucleation and growth of palladium and alloyed cobalt during self-aligned capping of advanced copper interconnects; Thin Solid Films. 2010. DOI : 10.1016/j.tsf.2010.01.025.
C. Cayron; T. Douillard; A. Sibil; G. Fantozzi; S. Sao-Jao : Reconstruction of the cubic and tetragonal oarent grains from electron backscatter diffraction maps of monoclinic zirconia; Journal of the American Ceramic Society. 2010. DOI : 10.1111/j.1551-2916.2010.03894.x.
R. Najjar; S. Boutami; C. Cayron; V. Muffato; A. Kean et al. : Novel nanotechnology for a fine plasmon wavelength tuning. 2010. Photonic Metamaterials and Plasmonics, PMETA_PLAS 2010, 2010.
2009
C. Cayron; M. Den Hertog; L. Latu-Romain; C. Mouchet; C. Secouard et al. : Odd electron diffraction patterns in silicon nanowires and silicon thin films explained by microtwins and nanotwins; Journal of Applied Crystallography. 2009. DOI : 10.1107/S0021889808042131.
C. Cayron : Crystallographic reconstruction methods to study phase transformations by EBSD; Microscopy and Microanalysis. 2009. DOI : 10.1017/S1431927609092617.
S. Maitrejean; V. Carreau; O. Thomas; S. Labat; B. Kaouache et al. : Cu grain growth in damascene narrow trenches. 2009. 10th International Workshop on Stress-Induced Phenomena in Metallization, 2009. DOI : 10.1063/1.3169253.
2008
C. Mouchet; L. Latu-Romain; C. Cayron; E. Rouviere; C. Celle et al. : Growth of one-dimensional Si/SiGe heterostructures by thermal CVD; Nanotechnology. 2008. DOI : 10.1088/0957-4484/19/33/335603.
C. Cayron : Importance of the α → β transformation in the variant selection mechanisms of thermomechanically processed titanium alloys; Scripta Materialia. 2008. DOI : 10.1016/j.scriptamat.2008.05.013.
L. Latu-Romain; C. Mouchet; C. Cayron; E. Rouviere; J.-P. Simonato : Growth parameters and shape specific synthesis of silicon nanowires by the VLS method; Journal of Nanoparticle Research. 2008. DOI : 10.1007/s11051-007-9350-3.
2007
C. Cayron : Multiple twinning in cubic crystals: Geometric/algebraic study and its application for the identification of the Σ3n grain boundaries; Acta Crystallographica Section A: Foundations of Crystallography. 2007. DOI : 10.1107/S0108767306044291.
E. De Vito; H. Khodja; C. Cayron; P. Lorenzetto : Examination of Be//Cu joints in hipped Be tiles by using Ion Beam Analysis methods; Fusion Engineering and Design. 2007. DOI : 10.1016/j.fusengdes.2007.03.031.
T. Caillot; P. Gélin; J. Dailly; G. Gauthier; C. Cayron et al. : Catalytic steam reforming of methane over La0.8Sr0.2CrO3 based Ru catalysts; Catalysis Today. 2007. DOI : 10.1016/j.cattod.2007.06.071.
C. Cayron : GenOVa: A computer program to generate orientational variants; Journal of Applied Crystallography. 2007. DOI : 10.1107/S0021889807048741.
C. Cayron : ARPGE: A computer program to automatically reconstruct the parent grains from electron backscatter diffraction data; Journal of Applied Crystallography. 2007. DOI : 10.1107/S0021889807048777.
O. Beffort; S. Y. Long; C. Cayron; J. Kuebler; P. A. Buffat : Alloying effects on microstructure and mechanical properties of high volume fraction SiC-particle reinforced Al-MMCs made by squeeze casting infiltration; Composites Science and Technology. 2007. DOI : 10.1016/j.compscitech.2006.04.005.
2006
C. Cayron : Groupoid of orientational variants; Acta Crystallographica Section A: Foundations of Crystallography. 2006. DOI : 10.1107/S010876730503686X.
C. Ducros; C. Cayron; F. Sanchette : Multilayered and nanolayered hard nitride thin films deposited by cathodic arc evaporation. Part 1: Deposition, morphology and microstructure; Surface and Coatings Technology. 2006. DOI : 10.1016/j.surfcoat.2005.11.102.
L. Arnaud; J. Guillaumond; N. Claret; C. Cayron; C. Guedj et al. : Analysis of electromigration voiding phenomena in Cu interconnects. 2006. 44th Annual IEEE International Reliability Physics Symposium, IRPS 2006, 2006. DOI : 10.1109/RELPHY.2006.251319.
C. Cayron; B. Artaud; L. Briottet : Reconstruction of parent grains from EBSD data; Materials Characterization. 2006. DOI : 10.1016/j.matchar.2006.03.008.
2005
R. Lindau; A. Moslang; M. Rieth; M. Klimiankou; E. Materna-Morris et al. : Present development status of EUROFER and ODS-EUROFER for application in blanket concepts; Fusion Engineering and Design. 2005. DOI : 10.1016/j.fusengdes.2005.06.186.
2004
C. Cayron; E. Rath; I. Chu; S. Launois : Microstructural evolution of Y2O3 and MgAl 2O4 ODS EUROFER steels during their elaboration by mechanical milling and hot isostatic pressing; Journal of Nuclear Materials. 2004. DOI : 10.1016/j.jnucmat.2004.06.010.
S. di Iorio; L. Briottet; C. Cayron; E. Rauch; D. Guichard : Damage mechanisms at a microscopic scale of PM Ti-6Al-4V at 20 K; Journal of Materials Science and Technology. 2004.
2002
S. Vaucher; O. Beffort; S. Long; C. Cayron; P. Buffat : Matrix chemistry optimisation of Al/Altex composites preserving both fibres and matrix alloy integrity; Materials Science and Technology. 2002. DOI : 10.1179/026708302225002074.
2001
C. Cayron : TEM study of interfacial reactions and precipitation mechanisms in Al2O3 short fiber or high volume fraction SiC particle reinforced Al-4Cu-1Mg-0.5Ag squeeze-cast composites; EMPA Activities. 2001.
2000
1999
C. Cayron; P. Buffat; O. Beffort; S. Long : Effect of SiO2 binder on the precipitation state of an AlCu4Mg1Ag/Saffil composite; Journal of Materials Science. 1999. DOI : 10.1023/A:1004502819390.
S. Long; O. Beffort; C. Cayron; C. Bonjour : Microstructure and mechanical properties of a high volume fraction SiC particle reinforced AlCu4MgAg squeeze casting; Materials Science and Engineering A. 1999.
C. Cayron; L. Sagalowicz; O. Beffort; P. Buffat : Structural phase transition in Al-Cu-Mg-Si alloys by transmission electron microscopy study on an Al-4wt% Cu-1 wt% alloy reinforced by SiC particles; Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties. 1999. DOI : 10.1080/014186199251364.
C. Cayron; P. Buffat; C. Hausmann; O. Beffort : About the epitaxial growth of Mg-subgrains on Al2MgC2 interfacial carbides in a squeeze cast Mg-4Al/T300 metal matrix composite; Journal of Materials Science Letters. 1999. DOI : 10.1023/A:1006669514604.
1998
C. Cayron; C. Hausmann; O. Beffort; S. Long : A comparative study on the mechanical failure mechanisms of unidirectional continuous fibre reinforced light metals. 1998.
C. Cayron; P. Buffat; C. Hansmann; O. Beffort : Etude par microscopie électronique de la réaction d'interface dans un composite MgAl14 /C. 1998. p. 83.
C. Cayron; P. Buffat; O. Beffort; S. Long : TEM study of the precipitation state of a squeeze-cast AlCuMgAg/SiC composite. 1998. p. 709.
C. Cayron; P. Buffat; O. Beffort; S. Long : Caractérisation par microscopie électronique de l'état de precipitation d'un composite AlCuMgAg/Al2O3. 1998. p. 82.
