Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Nittaya Keawprak"'
Autor:
Siriwan Thepruttana, Jira Patthanavarit, Montree Hankoy, Mettaya Kitiwan, Nittaya Keawprak, Phacharaphon Tunthawiroon
Publikováno v:
Buildings, Vol 14, Iss 4, p 1067 (2024)
This study presents a novel approach in enhancing the flexural strength of sisal fiber cement composites by employing a dual coating technique with natural rubber latex and expanded perlite to the sisal fibers. The effects of different fiber content
Externí odkaz:
https://doaj.org/article/d64b700172724877a58afbee17399b63
Autor:
Duriyoung Tattaporn, Phunthinee Somwongsa, Piyalak Ngernchuklin, Wasana Khongwong, Nittaya Keawprak
Publikováno v:
Key Engineering Materials. 798:316-321
The paper is focused on the influence of alternative fillers on rubber compounds properties. Three different types of powder fillers, drinking water treatment sludge (DWTS), perlite and calcium carbonate, were mixed into rubber compound mixtures. The
Publikováno v:
Journal of Electronic Materials. 48:3514-3518
YBa2Cu3O7-x-Ca3Co4O9 (YBCO-CCO) segmented ceramic was prepared successfully using a conventional solid state sintering technique. X-ray diffraction patterns and microstructural observation indicated phase purity and a compatibility of YBCO and CCO ce
Autor:
Nittaya Keawprak, Anucha Watcharapasorn, Panupong Jaiban, Poom Prayoonphokkharat, Pimpilai Wannasut
Publikováno v:
Materials Letters. 236:378-382
YBa2Cu3O7−x, NayCoO2 and YBa2Cu3O7−x-NayCoO2 segmented ceramics were successfully prepared by a conventional sintering method. The fabrication at suitable sintering conditions for each ceramic did not affect phase formation and purity. The micros
Publikováno v:
THE 7TH INTERNATIONAL CONFERENCE ON ENGINEERING, APPLIED SCIENCES AND TECHNOLOGY: (ICEAST2021).
This study presents an investigation of the physical and mechanical properties of the cement mortar containing expanded perlite as a filler material. The effects of perlite replacement contents and compressive molding force on bulk density, water abs
Autor:
Poom Prayoonphokkharat, Nittaya Keawprak, Pimpilai Wannasut, Anucha Watcharapasorn, Panupong Jaiban
Publikováno v:
Solid State Phenomena. 283:101-106
This study investigated the effects of sintering temperature on phase, physical properties and microstructure of calcium cobalt oxide (Ca3Co4O9 or CCO) ceramic. CCO powder was prepared with using the mixed oxide method and calcined at 750°C for 24 h
Publikováno v:
Journal of Nanoscience and Nanotechnology. 17:3439-3442
Publikováno v:
Journal of Alloys and Compounds. 523:182-187
Single phase Ca 1− x Sr x RuO 3 ( x = 0–1.0) powders were synthesized by a solid-state reaction and compacted by spark plasma sintering. The a -length of the lattice parameter showed a slight minimum around x = 0.6, whereas the b -length, c -leng
Publikováno v:
Journal of Alloys and Compounds. 491:441-446
Sr–Ir–O compounds in various molar ratios of Ir to Sr ( R Ir/Sr ) from 0.2 to 1.2 were prepared by solid-state reaction and compacted by spark plasma sintering (SPS). Single phase SrIrO 3 was obtained at R Ir/Sr = 1.0. Sr 2 IrO 4 and Sr 4 IrO 6 w
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 303:012010