Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Raafat N Ibrahim"'
Publikováno v:
Materials, Vol 9, Iss 3, p 141 (2016)
This paper aims to characterize the surface damage as a consequence of fretting fatigue in aluminum alloy 7075-T6 plates in double-lap bolted joints through XRD, surface profilometry, and SEM analyses. The main focus was on the surface roughness and
Externí odkaz:
https://doaj.org/article/98461a8a67dc4489a0b9267a0a88d71f
Autor:
Vincent Lemiale, Yogita Ahuja, Raafat N Ibrahim, Yuri Estrin, John A. Nairn, Timothy Charles Fagan
Publikováno v:
Journal of Materials Processing Technology. 231:422-430
The material point method is proposed as a framework to model friction stir forming. The flexibility of the method allows for the development of a fully coupled thermo-mechanical model which includes heat transfer processes due to plastic dissipation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76fc582617228358597d351f5a5ea236
https://doi.org/10.1016/j.jmatprotec.2016.01.009
https://doi.org/10.1016/j.jmatprotec.2016.01.009
Publikováno v:
Materials Science Forum. :214-219
Friction stir processing (FSP) is a novel thermo-mechanical technique for modifying the microstructure of metals and alloys at targeted locations. In the present study, the microstructures and mechanical properties of friction stir processed Mg-9Al-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1421ea3ae7a0b5db5b84504dfcf3c5c0
https://doi.org/10.4028/www.scientific.net/msf.838-839.214
https://doi.org/10.4028/www.scientific.net/msf.838-839.214
Publikováno v:
Journal of Materials Science. 51:3118-3124
A new process, sheathed powder compaction (SPC), was proposed to fabricate hybrid metallic composite samples at room temperature. The process involves densification of fine powder in an annulus sheath under combined moderate pressure and shear. Hybri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41ee903e2dfd0ceb9e5d2ff17aa34d35
https://doi.org/10.1007/s10853-015-9621-9
https://doi.org/10.1007/s10853-015-9621-9
Autor:
Saden H. Zahiri, Peter Hodgson, Shahin Khoddam, Abbas Zarei-Hanzaki, Raafat N Ibrahim, Thaneshan Sapanathan
Publikováno v:
Advanced Engineering Materials. 18:501-505
Micron size aluminum particles (Figure 1) are deformed into “interlocked splats” at room temperature under high pressure and shear. Sample's induced inner architecture is examined (Figure 2). Tests are carried out to characterize material's heter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e845620290fbb08d264b45dc38c56054
https://doi.org/10.1002/adem.201500418
https://doi.org/10.1002/adem.201500418
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 39:57-67
The performance of single layer TiAlN and multilayered TiAlN/CrN physical vapour deposition coatings deposited on AISI P20 steel substrate in affecting overall fatigue resistance of notched specimens was assessed and compared with the performance of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2f5126e044f65e54648f8352cef0863
https://doi.org/10.1111/ffe.12327
https://doi.org/10.1111/ffe.12327
Publikováno v:
Materials Science and Engineering: A. 631:126-138
The purpose of this study is to examine the fretting fatigue performance of Ni–P coated (EN coated) Al 7075-T6 plates. In addition, the effect of two stress-based fretting mechanical parameters (clamping pressure and friction force) on the fretting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f26b4180cc7587f264df731360c4395
https://doi.org/10.1016/j.msea.2015.02.033
https://doi.org/10.1016/j.msea.2015.02.033
Publikováno v:
Journal of Materials Processing Technology. 217:222-231
Tungsten embedded composite of copper (C1100) was fabricated through probeless tool aided friction stir forming (FSF). The heat input conditions and forging were determined to be most effectively controlled by the tool rotation speed. A void-free and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36500e9128d0af02d92f29698f883cc1
https://doi.org/10.1016/j.jmatprotec.2014.11.024
https://doi.org/10.1016/j.jmatprotec.2014.11.024
Publikováno v:
Engineering Fracture Mechanics. 137:64-78
In many sense, the role of a corrosion film and a surface coating in fatigue crack initiation is similar. The performance of the TiAlN and TiAlN/CrN PVD coatings in resisting fretting fatigue failure of the AISI P20 steel was investigated. A signific
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e03589efbbdda01853a6f7f86fb4c88f
https://doi.org/10.1016/j.engfracmech.2015.01.009
https://doi.org/10.1016/j.engfracmech.2015.01.009
Publikováno v:
Materials Science and Engineering: A. 623:153-164
A copper clad aluminum composite sample fabricated by an Axi-symmetric Forward Spiral Composite Extrusion (AFSCE) process was analyzed using finite element models of a dedicated blanking test. The axi-symmetric composite sample was analyzed using var
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::248d13bae1ede687d8badc4d2371dc73
https://doi.org/10.1016/j.msea.2014.11.045
https://doi.org/10.1016/j.msea.2014.11.045