Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mehri Mashhadi"'
Autor:
Mohammad Sarhangian, Mehri Mashhadi
Publikováno v:
Heliyon, Vol 10, Iss 13, Pp e33269- (2024)
Due to their unique properties, ultra-high-temperature ceramics possess have great potential for aerospace and industrial applications. In this study, we utilized ZrB2 and Si3N4 powders in micron scale, along with SiC powder in both nano and micron s
Externí odkaz:
https://doaj.org/article/904b5acd34e84f5f9d28acfc71482212
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 6, Iss 2, Pp n/a-n/a (2024)
Abstract Owing to economic reasons and the morphology of the surface of particles, carbothermal reduction is a suitable method for the synthesis of the desired materials. In this research, ZrC nanopowder was synthesized using phenolic resin as the ca
Externí odkaz:
https://doaj.org/article/0b484bf6e0b4498aa5264c747b45cbd9
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 5, Iss 5, Pp n/a-n/a (2023)
Abstract The reason of this study is to synthesize ZrB2 nano powder utilizing boric acid and phenolic resin. Within the study of zirconia as a source of zirconium, boric acid was used as a source of boron and phenolic resin as a carbon source. The th
Externí odkaz:
https://doaj.org/article/dd03c85cc839465a8b656c0a816bcc7a
Publikováno v:
Journal of Materials Research and Technology, Vol 5, Iss 3, Pp 200-205 (2016)
In the present paper, ZrB2–SiC–MoSi2 composites were prepared by pressureless sintering at temperatures of 2050, 2100 and 2150 °C for 1 h under argon atmosphere. In order to prepare composite samples, ZrB2 powder was milled for 2 h, then the rei
Externí odkaz:
https://doaj.org/article/88fea56872cc4c8eba4c81a45d2cff59
Publikováno v:
Materials Research, Vol 21, Iss 6 (2018)
In this research, electrical conductivity, thermal conductivity and mechanical properties of the Al-TiC composites which were sintered via microwave-assisted process were investigated. The specimens were sintered for 3, 5 and 8 minutes. The results h
Externí odkaz:
https://doaj.org/article/229fde9f7b9c4a22917be93927f5b191
Publikováno v:
Journal of Materials Research and Technology, Vol 4, Iss 4, Pp 416-422 (2015)
In the present paper, ZrB2–SiC composites were prepared by pressureless sintering at temperatures of 2000–2200 °C for 1 h under argon atmosphere. In order to prepare composite samples, ZrB2 powder was milled for 2 h, then the reinforcing particl
Externí odkaz:
https://doaj.org/article/e94ccf10aabe42bc99643144b0068754
Publikováno v:
Composites: Mechanics, Computations, Applications: An International Journal. 11:287-308
Autor:
Zeynab Nasiri, Mehri Mashhadi
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 78:186-192
The ZrB2-SiC nano composite was produced in a pressureless sintering method. The micro AlN powder was used as an additive. In order to investigate the effect of the simultaneous presence of nano and micro particles of SiC, the ZrB2 powder with variou
Publikováno v:
Materials Chemistry and Physics. 280:125830
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 94:105371
In this study the effects of HfB2 addition were investigated on the sintering behavior, densification and microstructure of ZrB2-SiC in the presence of B4C and MoSi2 as a sintering catalyst. 5, 10, 15 and 20 wt% of HfB2 was substituted with ZrB2 in u