Zobrazeno 1 - 10
of 31
pro vyhledávání: '"M. Kamal Akhtar"'
Publikováno v:
Key Engineering Materials. 551:57-66
The processing of titanium powder has been presumed to have potential to reduce the cost of final parts. The non-melt routes to efficient powder processing require consistent flow, adequate tap density and minimal pick-up of interstitial contaminants
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20cb78254af04376a19f3746b122da2
https://doi.org/10.4028/www.scientific.net/kem.551.57
https://doi.org/10.4028/www.scientific.net/kem.551.57
Autor:
M. Kamal Akhtar, Frank Krumeich, Alexandra Teleki, Sotiris E. Pratsinis, Martin C. Heine, Beat Buesser
Publikováno v:
Industrial & Engineering Chemistry Research. 48:85-92
Rutile TiO2 particles of 40 nm average diameter were made by flame spray pyrolysis (FSP) and in situ coated with ultrathin (2−4 nm) SiO2 layers. The spray flame was enclosed by a quartz glass tube while hexamethyldisiloxane (HMDSO) vapor-laden N2 w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08baa78db5c118e2e4686dbe0c0d831c
https://doi.org/10.1021/ie800226d
https://doi.org/10.1021/ie800226d
Publikováno v:
Applied Catalysis B: Environmental. 69:181-188
Vanadia (0.9 or 2 wt.%) and silica (0–5 wt.%) doping of flame-made tungsten oxide–titania nanostructured catalyst powders (anatase, 100 m 2 /g, 10 wt.% WO 3 ) is investigated. The effect of dopants on structural and chemical properties of these p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cccd678b841ed90c2c854db2a6ec8b68
https://doi.org/10.1016/j.apcatb.2006.06.018
https://doi.org/10.1016/j.apcatb.2006.06.018
Publikováno v:
AIChE Journal. 50:3085-3094
The growth of ZrO2 particles in spray flames is studied at production rates of 100 and 300 g/h by thermophoretic sampling (TS) and image analysis of transmission electron microscope (TEM) micrographs. At each TS location, the corresponding temperatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6a10596c0f0141ea3085b9f6b8eca78
https://doi.org/10.1002/aic.10272
https://doi.org/10.1002/aic.10272
Publikováno v:
Journal of the American Ceramic Society. 87:197-202
Synthesis of zirconia nanoparticles by flame spray pyrolysis (FSP) at high production rates is investigated. Product powder is collected continuously in a baghouse filter unit that is cleaned periodically by air-pressure shocks. Nitrogen adsorption (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e72f3c6ddb2e0c2180371b0ae50c7c8d
https://doi.org/10.1111/j.1551-2916.2004.00197.x
https://doi.org/10.1111/j.1551-2916.2004.00197.x
Publikováno v:
AIChE Journal. 40:1183-1192
The competition between hydrolysis and oxidation of TiCl[sub 4] during vapor-phase synthesis of titania powders was experimentally investigated. The effects of reactor temperature, reactant mixing and H[sub 2]O/TiCl[sub 4] ratio were studied in a hot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d35ab88ea9fd11274c19b0aca968be9
https://doi.org/10.1002/aic.690400709
https://doi.org/10.1002/aic.690400709
Publikováno v:
Aerosol Science and Technology. 21:83-93
A Monte Carlo simulation has been developed to describe the gas phase coagulation and sintering of nan-oclusters. The cluster-cluster aggregation model is modified to include a finite interparticle binding energy. Particle restructuring and densifica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cf59892896672e421b96e589795bc1a
https://doi.org/10.1080/02786829408959698
https://doi.org/10.1080/02786829408959698
Publikováno v:
Nanotechnology. 19(25)
Pigment-grade TiO(2) particles were passivated using nanothick insulating films fabricated by atomic layer deposition (ALD). Conformal SiO(2) and Al(2)O(3) layers were coated onto anatase and rutile powders in a fluidized bed reactor. SiO(2) films we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::984c004c0f5b5f7b99df1da03de410a4
https://pubmed.ncbi.nlm.nih.gov/21828656
https://pubmed.ncbi.nlm.nih.gov/21828656
Publikováno v:
Nanotechnology. 16(7)
Homogeneous yttria-stabilized zirconia (YSZ) with 8-31 nm average crystallite and particle diameter containing 3-10 mol% yttria are made by flame spray pyrolysis (FSP) of various yttrium and zirconium precursors at production rates up to 350 g h(-1).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d214a4d30dc5c213f2b42568ccd6e1dd
https://pubmed.ncbi.nlm.nih.gov/21727483
https://pubmed.ncbi.nlm.nih.gov/21727483
Publikováno v:
Journal of Aerosol Science. 24:301-313
A two-dimensional particle size distribution model is used to describe gas phase synthesis of titania and silica powders. By incorporating a coalescence term along with a particle sintering rate in the governing population balance equation, the model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a36bf38301dc60cb2fa3dff1d001e6b6
https://doi.org/10.1016/0021-8502(93)90004-s
https://doi.org/10.1016/0021-8502(93)90004-s