Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Gholam Hossein Borhani"'
Publikováno v:
Processing and Application of Ceramics, Vol 7, Iss 3, Pp 117-121 (2013)
Wet chemical analysis and UV-VIS spectroscopy methods were used to determine the oxidation state of iron in Na2O·2SiO2 glasses, containing 0.3 mol% of Fe2O3 . The oxidation state of iron in the sodium silicate glasses was varied by changing the si
Externí odkaz:
https://doaj.org/article/afae7d227ba54e1f941f8e784da99683
Publikováno v:
Journal of Materials Engineering and Performance. 30:3313-3320
In this study, nanostructured WC-12Co powder was produced by ball milling and then agglomerating by spray drying. The produced nanostructured WC-12Co powder was used for laser cladding of AISI 321 stainless steel substrate. In order to evaluate the e
Publikováno v:
Powder Metallurgy. 62:162-168
Among refractory metals, tantalum has long been the primary material of use in high strain rate applications. Hot pressing (HP) is a technique to produce specimens with high density and homogeneous...
Publikováno v:
International Journal of Materials Research. 108:1081-1089
Al-4.5Mg-0.5Mn alloy powders were mechanically alloyed by the addition of 1–3 wt.% cerium oxide (CeO2) nanoparticles using a planetary ball mill under a dry argon atmosphere. A milling speed of 300 rpm and ball to powder ratio of 20:1 was used for
Autor:
Reza Shoja Razavi, Mehdi Ahsanzadeh-Vadeqani, Masoud Barekat, Gholam Hossein Borhani, Ajay K. Mishra
Publikováno v:
Journal of the European Ceramic Society. 37:2169-2177
To evaluate the effectiveness of dry ball-milling, yttria powders were ball-milled, and the optimal sample was spark plasma sintered to fabricated transparent yttria ceramics. The characterization of the powders and pellets were analyzed using XRD, F
Publikováno v:
Ceramics International. 42:14867-14872
A two-step process (milling and then heat treatment) was used for the preparation of α-Si 3 N 4 nanopowder. The influence of the milling time and heat treatment temperature as processing parameters were investigated on the formation of α-Si 3 N 4 .
Publikováno v:
Transactions of the Indian Institute of Metals. 70:1215-1219
In this study, the effect of Al2O3–TiB2/Fe complex ceramic–metal reinforcement (CCMR) on wear and mechanical properties of Al-(Al2O3–TiB2/Fe) composites were investigated. For this purpose, Al2O3–TiB2/Fe CCMR was synthesized by mechanochemica
Publikováno v:
International Journal of Applied Ceramic Technology. 13:498-505
In this investigation, a two-step method for the preparation of magnesium silicide (Mg2Si) nanopowder was studied. This method is known as mechanical alloying followed by heat treatment. The results showed that the compositions of the combustion prod
Publikováno v:
Journal of Advanced Materials In Engineering. 34:9-18
In this study, synthesis of silicon nitride by mechanical alloying and the effects of important parameters of milling time and heat treatment temperature, time and rate are presented. Silicon micro powder and nitrogen gas were used as precursor mater
Publikováno v:
Bulletin of Materials Science. 39:79-84
The TaC–TaB2 composition was sintered by spark plasma (SPS) at 1900–2100°C and applied pressure of 30 MPa. TaC and 2–3 wt% B4C were used as starting powders. Densification process, phase evolution, microstructure and the mechanical properties