Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Pavadee Aungkavattana"'
Autor:
Kornrawit Duangsa, Apishok Tangtrakarn, Charusporn Mongkolkachit, Pavadee Aungkavattana, Klitsada Moolsarn
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
Copper samarium co-doped ceria (CSDC) (Cu0.01Sm0.19Ce0.80O2−δ) nanoparticles were synthesized via a sol-gel auto-combustion of metal nitrates without a complexing agent (DI) and with tartaric acid (TA) or citric acid (CA). The solid oxide formatio
Externí odkaz:
https://doaj.org/article/448f7976e84e49e3b449da795d479737
Publikováno v:
Journal of Metals, Materials and Minerals. 31:13-25
The present study investigated the mechanical and thermal properties of geopolymer composite. The geopolymer composite was prepared by mixing fly ash and wollastonite with the alkaline activator, which was 6 M KOH:K2SiO3 in a mass ratio of 1:1 and a
Autor:
Pavadee Aungkavattana, Ramjitti Indaraprasirt, Jutharat Papan, Waluree Thongkam, Georg Karlaganis
Publikováno v:
Toxicological & Environmental Chemistry. 103:438-465
Publikováno v:
Materials Today: Proceedings. 43:2647-2654
In this study, two processing parameters in preparation of high-strength fly ash based-geopolymer: concentrations of NaOH solution and curing regimes were reexamined. From the study of NaOH solution concentration effect, a sharp rise in compressive s
Autor:
Sirasak Teparkum, Pavadee Aungkavattana, Rachel Liechti, Ramjitti Indaraprasirt, Georg Karlaganis
Publikováno v:
Toxicological & Environmental Chemistry. 101:339-368
Due to vast research programmes of industrial countries during the last two decades, our knowledge about the intrinsic properties of nanomaterials has increased considerably. However, ‘nano...
Autor:
Pavadee Aungkavattana, Charustporn Mongkolkachit, Klitsada Moolsarn, Kornrawit Duangsa, Apishok Tangtrakarn
Publikováno v:
Advances in Materials Science and Engineering, Vol 2021 (2021)
Copper samarium co-doped ceria (CSDC) (Cu0.01Sm0.19Ce0.80O2−δ) nanoparticles were synthesized via a sol-gel auto-combustion of metal nitrates without a complexing agent (DI) and with tartaric acid (TA) or citric acid (CA). The solid oxide formatio
Autor:
Takaomi Kobayashi, Shuntaro Yamaguchi, Sirithan Jiemsirilers, Khanthima Hemra, Pavadee Aungkavattana
Publikováno v:
Key Engineering Materials. 766:157-163
Class C fly ash is widely used as a geopolymer raw material. It contains high calcium oxide and iron oxide resulting in a fast setting property. The influence of using kaolin and metakaolin replaced class C fly ash in geopolymer processing were inves
Publikováno v:
Construction and Building Materials. 121:653-658
This study presented the effect of 0−5 wt% TiO 2 addition on compressive strength and thermal shock resistance of fly ash based geopolymer composites, which were prepared by activating high calcium fly ash reinforced with basalt fibers. The compres
Publikováno v:
Integrated Ferroelectrics. 175:44-50
PZT has been utilized as micro-actuators to control high positioning accuracy and high-speed data access in high density Hard Disk Drives. The effect of temperature from 25°C to 260°C with humidity (80°C/80% RH) for 120 h on cracked-free and pre-c
Autor:
Pavadee Aungkavattana, Khanthima Hemra
Publikováno v:
Advanced Powder Technology. 27:1021-1026
Metakaolin based geopolymer composites have been synthesized at room temperature by mixing metakaolin with NaOH and sodium silicate solutions, then adding cordierite powder from 0 to 50 wt% as a weight fraction of geopolymer matrix. Compressive stren