Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Kahtan S. Mohammed"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2014 (2014)
The effects of nickel and nickel combined tin additions on mechanical properties and microstructural evolutions of aluminum-zinc-magnesium-copper alloys were investigated. Aluminum alloys containing Ni and Sn additives were homogenized at different t
Externí odkaz:
https://doaj.org/article/7ad2ebb513714da89dba9886e6d46ee8
Publikováno v:
Advances in Materials Science and Engineering, Vol 2014 (2014)
The present work is an experimental comparison between the friction stir welding (FSW) and the conventional gas metal arc welding (GMAW) in joining of Al alloys. Two sets of 3 mm thick aluminum strip pairs were friction stir welded in a regular butti
Externí odkaz:
https://doaj.org/article/b01e74a7d62a48e39a60e7b49e94947d
Publikováno v:
The Physics of Metals and Metallography. 117:795-804
Mechanical alloying (MA) was employed to synthesize Al–Zn–Mg–Cu alloys of high weight percentage of the nickel component from the elemental powders of constituents via high-energy ball milling. The mixed powders underwent 15 h of milling time a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c456ae4eb5f2231ba37c4418b0ed1836
https://doi.org/10.1134/s0031918x16080056
https://doi.org/10.1134/s0031918x16080056
Autor:
Zuhailawati Hussain, Harith Mohd Shobi, Polycarp Evarastics, Kahtan S. Mohammed, Shamsul Baharin Jamaludin, Baba Gowon
Publikováno v:
Materials Science Forum. 857:183-190
In this study, W-brass with the composition of tungsten (W) ranging from 50 – 70 wt. % and the balance is brass and other samples with 1 wt. % Fe activator added to the above W and brass composition were both liquid phase sintered at 11500C. The ef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4997c67b9e7696aa012f9e7984747c7f
https://doi.org/10.4028/www.scientific.net/msf.857.183
https://doi.org/10.4028/www.scientific.net/msf.857.183
Publikováno v:
The Physics of Metals and Metallography. 116:1035-1046
The main object of this study is to investigate the effect of friction stir processing (FSP) on the microstructure and hardness of Al-Zn-Mg-Cu alloys that were produced via casting with the addition of 5 wt % nickel. Furthermore, a single-pass FSP wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f947c18cd8a616c7ea5a36c3cd4d8887
https://doi.org/10.1134/s0031918x15100051
https://doi.org/10.1134/s0031918x15100051
Publikováno v:
Transactions of Nonferrous Metals Society of China. 25:2856-2865
The effect of small tool pin profiles on the microstructures and mechanical properties of 6061 aluminum alloy joints using friction stir welding (FSW) technique was investigated. Three different tool pin profiles: threaded tapered cylindrical (T1), t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c95e5c3c57d9b432ff92c732e487813
https://doi.org/10.1016/s1003-6326(15)63911-5
https://doi.org/10.1016/s1003-6326(15)63911-5
Publikováno v:
Materials Science Forum. 819:91-96
In this study, alumina powder of two particle sizes, 1.0 and 3.0 μm were dispersed into the surface layer of pure commercial aluminum sheets by Friction Stir Processing technique (FSP) to produce a composite surface layer of Al/Al2O3. The processing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f28eaf515a6e573651200b85527b77b
https://doi.org/10.4028/www.scientific.net/msf.819.91
https://doi.org/10.4028/www.scientific.net/msf.819.91
Autor:
Yusuf A. Lawal, Baba Gowon, Kahtan S. Mohammed, Zuhailawati Hussain, Shamsul Baharin Bin Jamaluddin, Aji D. Aminu
Publikováno v:
Applied Mechanics and Materials. :838-843
The effects of 1% tin (Sn) addition on the densification of pre-alloyed and pre-mixed W-brass composites were carried out. The green compacts were produced with the pressure of 350MPa and sintered at the temperature of 800°C, 920°C and 1000°C. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb1adcefd30b7dfd53f8cb195538fdd6
https://doi.org/10.4028/www.scientific.net/amm.754-755.838
https://doi.org/10.4028/www.scientific.net/amm.754-755.838
Autor:
Azmi Rahmat, Kamarudin Hussin, Mohd Mustafa Al Bakri Abdullah, Ali Basheer Azeez, Kahtan S. Mohammed
Publikováno v:
Applied Mechanics and Materials. :19-23
In this study, the dependence of gamma-ray absorption coefficient on amount and particle size of tungsten (W) in W-brass sintered compacts was investigated. To attain this goal, two sets of different W wt. % were prepared (W 65wt. %, W75wt. % and W85
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca9fa7ef2873cc4b48d69aa73c28687c
https://doi.org/10.4028/www.scientific.net/amm.754-755.19
https://doi.org/10.4028/www.scientific.net/amm.754-755.19
Autor:
Kahtan S. Mohammed, Haider T. Naeem
Publikováno v:
Физика металлов и металловедение. 116:908-917
Nanocrystalline Al–Ni intermetallic compounds were synthesized with different percentages of nickel by mechanical alloying (MA) of elemental powders. In all MA runs, the ball-to-powder weight ratio was 10:1, the rotation speed was 350 rpm, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50ec0763ce32eb92361a57b4047a6e52
https://doi.org/10.7868/s0015323015090077
https://doi.org/10.7868/s0015323015090077