Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Deon Marais"'
4
Numerical neutron attenuation correction for partially-illuminated powder samples
Autor: Zeldah N. Sentsho, Deon Marais, Andrew M. Venter
Publikováno v: Materials Characterization. 153:234-239
Chemical phase quantification from neutron diffraction measurements relies on accurate Bragg peak intensities at all diffraction angles. Amongst others these intensities are influenced by the total distance that the neutron beam has traversed through
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7e8d0ed86e597e1d5388163564cb83e
https://doi.org/10.1016/j.matchar.2019.05.011
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5
PITSI: The neutron powder diffractometer for transition in structure investigations at the SAFARI-1 research reactor
Autor: Phillipus R. van Heerden, Zeldah N. Sentsho, Andrew M. Venter, Johannes C. Raaths, Deon Marais
Publikováno v: Physica B: Condensed Matter. 551:422-425
The high-performance neutron powder diffraction instrument, PITSI, is located at the SAFARI-1 research reactor in South Africa. It supports both low and high temperature sample environments to facilitate in-situ parametric studies of crystallographic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3161962067350804ee856c82a599ab0e
https://doi.org/10.1016/j.physb.2017.12.017
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6
MPISI: The neutron strain scanner materials probe for internal strain investigations at the SAFARI-1 research reactor
Autor: Andrew M. Venter, Johannes C. Raaths, Deon Marais, Phillipus R. van Heerden
Publikováno v: Physica B: Condensed Matter. 551:417-421
A modern neutron strain scanner instrument with crystallographic texture measurement capability has been established at the SAFARI-1 research reactor. This instrument, MPISI, has been benchmarked against the VAMAS Ring-and-Plug specimen, as well as i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8381515eb26eee5b91e56e08f6ba6d5a
https://doi.org/10.1016/j.physb.2017.12.011
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7
THE EFFICACY OF THE INHERENT STRAIN METHOD IN DETERMINING RESIDUAL STRESS IN IN718 SLM SPECIMENS
Autor: Herculaas Botha, C.P. Kloppers, Deon Marais
Publikováno v: South African Journal of Industrial Engineering. 32
This paper presents a study showing the efficacy of the inherent strain method and modifications thereof to predict residual stresses within selective laser melted components. Cubic specimens with variations in hatch rotations were produced, and the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b6fa47ff6da37efbe4222963ef3c1eb
https://doi.org/10.7166/32-3-2662
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9
Effect of stress-relief anneal time on residual stress of Co-Cr-Mo parts manufactured with selective laser melting
Autor: Genevieve Rousseau, Jaundrie Fourie, CP Kloppers, Deon Marais
Publikováno v: MATEC Web of Conferences. 370:11004
Thermal inconsistencies inherent in the selective laser melting manufacturing process generate residual stress that may exceed the yield strength of the material resulting in deformation and cracking of components. This may however be mitigated throu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0b010bb39a8b8bf3bdfdcc4ab719f74
https://doi.org/10.1051/matecconf/202237011004
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