Zobrazeno 1 - 10
of 22
pro vyhledávání: '"R. H. Meinhold"'
Publikováno v:
Journal of the European Ceramic Society. 17:667-673
A new method is described for the preparation of essentially monophase X-phase sialon, Si 12 Al 18 O 39 N 8 , by silicothermal reduction of mixtures of kaolinite, γ-Al 2 O 3 and elemental Si in purified nitrogen at 1450–1500 °C. Powder X-ray diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de83f7c9fc8984bf3004419ab1fdf824
https://doi.org/10.1016/s0955-2219(96)00121-5
https://doi.org/10.1016/s0955-2219(96)00121-5
Publikováno v:
Journal of Materials Science. 29:5631-5640
Phase formation in kaolinite heated at 1200°C in eight different reaction atmospheres in the presence and absence of carbon has been studied by solid-state magic angle spinning nuclear magnetic resonance (MAS NMR) and X-ray powder diffraction. Mulli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ecd0a2a1047086a24fa641cedd0e279
https://doi.org/10.1007/bf00349958
https://doi.org/10.1007/bf00349958
Publikováno v:
Journal of Materials Science. 29:2611-2619
27Al and 29Si magic-angle spinning(MAS) nuclear magnetic resonance(NMR)and complementary X-ray diffraction (XRD) studies of carbothermal formation of sialons from kaolinite and halloysite confirm that the reaction involves the initial formation of mu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7fe7b0ceafb04af249b36bd17c6c244
https://doi.org/10.1007/bf00356808
https://doi.org/10.1007/bf00356808
Publikováno v:
Applied Magnetic Resonance. 4:141-155
Flash calcination was used to dehydroxylate kaolinite and produced calcines kinetically frozen at various stages during metakaolinite formation. High speed magic-angle spinning27Al NMR, in magnetic fields of 14.1 and 11.8 T, enabled new features to b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aed9bb06dbacd73eca9de1cee8c57cfa
https://doi.org/10.1007/bf03162560
https://doi.org/10.1007/bf03162560
Publikováno v:
Applied Magnetic Resonance. 4:121-140
Samples of gibbsite, boehmite, pseudoboehmite and bayerite, calcined at temperatures up to 1000°C, were studied using27Al MAS NMR with spinning speeds up to 15 kHz in magnetic fields of 14.1, 11.8 and 7 T (156, 130 and 78 MHz27Al frequencies). The h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2211a3ec75ab81a24a3ac2fe60a6ceed
https://doi.org/10.1007/bf03162559
https://doi.org/10.1007/bf03162559
Publikováno v:
ChemInform. 28
A new method is described for the preparation of essentially monophase X-phase sialon, Si 12 Al 18 O 39 N 8 , by silicothermal reduction of mixtures of kaolinite, γ-Al 2 O 3 and elemental Si in purified nitrogen at 1450–1500 °C. Powder X-ray diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3c31f43ec113f19408d2c439d95cd26
https://doi.org/10.1002/chin.199723286
https://doi.org/10.1002/chin.199723286
Publikováno v:
Journal of Thermal Analysis. 38:2053-2065
The structural changes occurring during the dehydroxylation of kaolinite have been followed using flash calcination to produce kinetically frozen calcines. The percentage of dehydroxylation was varied by changing the furnace residence time or tempera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e63e73891ae6df4c7fc5a9d13e8fbe4
https://doi.org/10.1007/bf01979617
https://doi.org/10.1007/bf01979617
Publikováno v:
Journal of Materials Science. 26:763-768
The room-temperature setting process in compacts of various silicate and non-silicate mineral particles bonded with sodium silicate was found to be markedly accelerated by treatment with the acidic gases CO2, S02 and H2S, but was unaffected by neutra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e03fd7c1f5f931cf200d13db34ec4b2
https://doi.org/10.1007/bf03163519
https://doi.org/10.1007/bf03163519
Publikováno v:
Clays and Clay Minerals. 39:337-346
Examination of two volcanic and two precipitated allophanes by solid-state NMR, thermal analysis and X-ray powder diffraction shows three of the samples to contain structural features similar to both tubular imogolite and defect layer-lattice alumino
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ee15e7a77fb9fc24bafd16398c3855f
https://doi.org/10.1346/ccmn.1991.0390401
https://doi.org/10.1346/ccmn.1991.0390401
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 51:2694-2696
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fe40b3c1dacfb8ee6d80477e9691b7c
https://doi.org/10.1107/s010827019500919x
https://doi.org/10.1107/s010827019500919x