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Characterization on microstructure of interface and failure analysis of SiC fiber reinforced Ti-17 composites under tension load

Autor: Xiaorong Zhou, Xiaoguang Yang, Changkui Liu, Wenxia Zhao, Octav. Ciuca, Chunhu Tao

Publikováno v: IOP Conference Series: Earth and Environmental Science. 772:012061

In this study, the ultimate tensile strength of unidirectional SiC-fiber/Ti-17 composites was measured in the as-produced condition at room temperature. Fracture and interfacial reaction zone was characterized by using laser confocal microscopy, fiel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6704f869f15ea8fff1ef2590450e4659
https://doi.org/10.1088/1755-1315/772/1/012061

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Characterisation of weld zone reactions in dissimilar glass-to-aluminium pulsed picosecond laser welds

Autor: Richard Carter, Octav Ciuca, Philip B. Prangnell, Duncan Paul Hand

Publikováno v: Ciuca, O, Carter, R, Prangnell, P & Hand, D P 2016, ' Characterisation of Weld Zone Reactions in Dissimilar Glass-to-Aluminium Pulsed Picosecond Laser Welds ', Materials Characterization, vol. 120, pp. 53-62 . https://doi.org/10.1016/j.matchar.2016.08.013

Precision welded joints, produced between fused silica glass and aluminium by a newly-developed picosecond-pulse laser technique, have been analysed for the first time using a full range of electron microscopy methods. The welds were produced as lap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e8877ade7146a0f95ed21335f529ef3
https://doi.org/10.1016/j.matchar.2016.08.013

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Precipitation behaviour of CrMnFeNi HEA under heavy ion irradiation

Autor: Fernandez-Caballero, Antonio, Pickering, Ed, M. G. Burke, Shubeita, Samir De Moraes, Wady, Paul, Krishna, Ram, Yuchen Gu, Octav Ciuca, Gorley, Michael, Nguyen-Manh, Duc, Mummery, Paul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25575c7cf995ced0b4220b93dd1e34aa

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On the diffusion-mediated cyclic coarsening and reversal coarsening in an advanced Ni-based superalloy

Autor: Yiqiang Chen, Rajan Prasath Babu, Thomas Slater, Robert Mitchell, Octav Ciuca, Michael Preuss

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba8a979534aa11ab4dc74a3054893087
https://doi.org/10.1002/9783527808465.emc2016.5821

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Mechanical and Microstructural Characterization of Percussive Arc Welded Hyper-Pins for Titanium to Composite Metal Joining

Autor: Rotimi Joseph Oluleke, David Strong, Jon Meyer, Andre de Oliveira, Octav Ciuca, Philip B. Prangnell

Publikováno v: Materials Science Forum. 765:771-775

The manufacture of Ti- composite hyper-joints for aerospace applications requires arrays of pins to be attached to a metal component’s surface. Here, the feasibility of using percussive arc micro-welding for this purpose has been explored, applied

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3e5f82622052a2ff32e9d438dab60df
https://doi.org/10.4028/www.scientific.net/msf.765.771

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Nanostructure Formation and Amorphization in Intermetallic Compounds by Severe Plastic Deformation

Autor: Koichi Tsuchiya, Octav Ciuca

Publikováno v: Materials Science Forum. :17-24

Process of nanostructure formation and amorphization by high pressure torsion (HPT) were studied for various intermetallic compounds. In ZrCu after HPT deformation, optical microscopy revealed that numerous shear bands formed running nearly parallel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::911938ce7d3f3cdb45cd0d5e8c9c9bd5
https://doi.org/10.4028/www.scientific.net/msf.667-669.17

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Heterogeneous Process of Disordering and Structural Refinement in Ni3Al during Severe Plastic Deformation by High-Pressure Torsion

Autor: Koichi Tsuchiya, Yoshikazu Todaka, Octav Ciuca, Yoshihiko Yokoyama, Minoru Umemoto

Publikováno v: MATERIALS TRANSACTIONS. 51:14-22

The process of grain refinement in Ni 3 Al by high-pressure torsion (HPT) was investigated up to 100 turns. The entire diametric sections of the deformed samples were analyzed by optical microscopy and image processing methods in order to evaluate bo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97d9461f6208f456d5009d13eb62122b
https://doi.org/10.2320/matertrans.mb200915

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Effect of Nanocrystallization and Twinning on Hardness in Ni3Al Deformed by High-Pressure Torsion

Autor: Octav Ciuca, Minoru Umemoto, Koichi Tsuchiya, Yoshikazu Todaka, Yoshihiko Yokoyama

Publikováno v: MATERIALS TRANSACTIONS. 50:1123-1127

Samples of Ni3Al intermetallic compound were subjected to deformation by high-pressure torsion (HPT). The plastically-deformed structure revealed a bimodal character: coarse grains, retaining a degree of long-range order, surrounded by regions of nan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60a577335a1285c6245088b1e88e9f97
https://doi.org/10.2320/matertrans.mra2008485

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Automated Multi-Scale Microstructure Heterogeneity Analysis of Selective Electron Beam Melted TiA16V4 Components

Autor: J. Meyer, Philip B. Prangnell, Octav Ciuca, S. T. Williams, Alphons A. Antonysamy, Hao Zhao

Publikováno v: TMS2015 Supplemental Proceedings ISBN: 9781119093466
TMS2015 Supplemental Proceedings

In additive manufacturing (AM) the moving heat source and layer deposition gives rise to each volume of material receiving a complex thermal history. In addition, the machine control systems can vary the heat input as a function of the component geom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a44c8592f8d881c1ce1270a7d604648
https://doi.org/10.1002/9781119093466.ch54

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