new platy corundum castablecommon refractory
Almatis Unshaped Refractory Materials (Monolithics)
Unshaped refractory materials are defined as "mixtures consisting of aggregates additives and binders prepared for direct use in state of delivery or after adding suited liquids". In contrast to refractory bricks they are without specific shape and are in majority placed in larger sections behind molds and templates forming a
Hibonite-bearing microspherules A new type of
· Ti isotopic compositions of a new class of refractory inclusions that consist of spherules composed of hibonite and a silicate glass. after corundum of the minerals predicted to condense from a cooling gas of solar PLACs platy hib crystals 0.5-2.0
Fused Aluminasan overview ScienceDirect Topics
Fused alumina may be cast to corundum crushed ground and graded and formed into laboratory ware or the prefired γ modification may be used. Ware should be fired at about 1700°C. Alumina has a melting point of 2015°C which is low compared with that of other
Hibonite-bearing microspherules A new type of
· Ti isotopic compositions of a new class of refractory inclusions that consist of spherules composed of hibonite and a silicate glass. after corundum of the minerals predicted to condense from a cooling gas of solar PLACs platy hib crystals 0.5-2.0
A multielement isotopic study of refractory FUN and F CAIs
· (b) Corundum shows bright cathodoluminescence (CL) hibonite and epoxy are black. The CL image was obtained with a S-3400 SEM equipped with a Gatan PanaCL/F system at the University of Wisconsin Madison. (c) The enlargement of the white box in (a) shows a refractory metal nugget at a grain boundary between hibonite and corundum.
Almatis Functional refractory products
The steel industry is the largest consumer of shaped refractory products that have an additional function during service. Products such as isostatically pressed products for steel casting slide gates and purging bricks play a vital role in the production process. These products are subjected to extreme chemical mechanical and thermal stress and
Hibonite-bearing microspherules A new type of
· Ti isotopic compositions of a new class of refractory inclusions that consist of spherules composed of hibonite and a silicate glass. after corundum of the minerals predicted to condense from a cooling gas of solar PLACs platy hib crystals 0.5-2.0
A multielement isotopic study of refractory FUN and F CAIs
· (b) Corundum shows bright cathodoluminescence (CL) hibonite and epoxy are black. The CL image was obtained with a S-3400 SEM equipped with a Gatan PanaCL/F system at the University of Wisconsin Madison. (c) The enlargement of the white box in (a) shows a refractory metal nugget at a grain boundary between hibonite and corundum.
Properties and Terrestrial Occurrence
· described as a new mineral in 1956 (Curien et al. Am. Min V. 42 p. 119). Later on hibonite was assigned as a common constituent of refractory Calcium-Aluminum Inclusions in meteorites mainly carbonaceous chondrites. Meteoritic hibonite is blue and confined to microscopic grains it is one of the occur in interstellar dust.
1105.2620 Heterogeneous distribution of Al-26 at the
· It is believed that Al-26 a short-lived (t1/2 = 0.73 Ma) and now extinct radionuclide was uniformly distributed in the nascent Solar System with the initial Al-26/Al-27 ratio of 5.2times10-5 suggesting its external stellar origin. However the stellar source of Al-26 and the manner in which it was injected into the solar system remain controversial the Al-26 could have been produced by
Refractory inclusions in the unique carbonaceous chondrite
Abstract– Acfer 094 is an unshocked nearly unaltered carbonaceous chondrite with an unusual suite of refractory inclusions. The refractory inclusions in a newly prepared thin section and a small aliquot of disaggregated material were studied to compare the population with previous work and to report new or unusual inclusion types.
An ion microprobe study of corundum in the Murchison
· An ion microprobe study of corundum in the Murchison meteorite Implications for sup 26 Al and sup 16 O in the early solar system
Hibonite-bearing microspherules A new type of refractory
· OSTI.GOV Journal Article Hibonite-bearing microspherules A new type of refractory inclusions with large isotopic anomalies
we are a professional manufacturer of refractory bricks
· The main business scope and products are NO. 1 factory of Headquarters Manufacturing alumina and magnesia based shaped refractory products include magnesia-alumina brick direct bonded magnesia-chrome brick special phosphate compound brick etc. NO. 2 factory of Headquarters Manufacturing corundum material silica mullite brick other high-grade refractory and ceramist sand.
Almatis Functional refractory products
Functional refractory products. The steel industry is the largest consumer of shaped refractory products that have an additional function during service. Products such as isostatically pressed products for steel casting slide gates and purging bricks play a vital role in the production process. These products are subjected to extreme chemical
Hibonite-bearing microspherules A new type of refractory
· OSTI.GOV Journal Article Hibonite-bearing microspherules A new type of refractory inclusions with large isotopic anomalies
EVAPORATION AND CONDENSATION KINETICS OF CORUNDUM
· Corundum is predicted to be the most abundant refractory circumstellar dust and has been suggested as a candidate emitting the 13 μm feature in infrared spectra of oxygen-rich asymptotic giant branch stars.Crystalline dust has morphologies reflecting the anisotropic crystal structure and formation conditions or processes and may emit characteristic infrared features.
HETEROGENEOUS DISTRIBUTION OF sup 26 Al AT THE
· article osti_ title = HETEROGENEOUS DISTRIBUTION OF sup 26 Al AT THE BIRTH OF THE SOLAR SYSTEM author = Makide Kentaro and Nagashima Kazuhide and Krot Alexander N and Huss Gary R and Ciesla Fred J and Yang Le and Hellebrand Eric and Gaidos Eric abstractNote = It is believed that sup 26 Al a short-lived (t sub 1/2 = 0.73 Ma) and now extinct
Refractory inclusions in the unique carbonaceous chondrite
Abstract– Acfer 094 is an unshocked nearly unaltered carbonaceous chondrite with an unusual suite of refractory inclusions. The refractory inclusions in a newly prepared thin section and a small aliquot of disaggregated material were studied to compare the population with previous work and to report new or unusual inclusion types.
Refractory materials of refractory brick mortar and
· Zhengzhou Jansincere Refractory Co. Ltd was founded in 1986. Jansincere Refractory is focused on providing professional refractory design manufacturing installation and kiln maintenance for aluminum non-ferrous metallurgy cement environment and energy solutions and petroleum industries. Jansincere Refractory Group covers of 135 000m2 with 3
EJMTwo new minerals badengzhuite TiP and zhiqinite
Titanium minerals enclosed in corundum separated from the Cr-11 orebody include native Ti zamboite (FeTiSi 2) osbornite (TiN)-khamrabaevite (TiC) solid solutions and jingsuiite (TiB 2) as well as the new minerals badengzhuite (TiP) and zhiqinite (TiSi 2) and two potentially new minerals Ti 11 (Si P) 10 and Ti 10 (Si P ) 7 where indicates a vacancy.
EJMTwo new minerals badengzhuite TiP and zhiqinite
Titanium minerals enclosed in corundum separated from the Cr-11 orebody include native Ti zamboite (FeTiSi 2) osbornite (TiN)-khamrabaevite (TiC) solid solutions and jingsuiite (TiB 2) as well as the new minerals badengzhuite (TiP) and zhiqinite (TiSi 2) and two potentially new minerals Ti 11 (Si P) 10 and Ti 10 (Si P ) 7 where indicates a vacancy.
Almatis Heat Insulating Materials
The standard heat insulating materials are classified as insulating refractory bricks plates insulating castables and ceramic fibre materials. The thermal conductivity of the materials does not only depend on the total porosity but also on pore size and mineralogical composition. Innovative aggregates based on CA ₆ offer reduced thermal
Refractory inclusions in the unique carbonaceous
· Refractory inclusions in the unique carbonaceous chondrite Acfer 094 and to report new or unusual inclusion types. A total of 289 Ca- Al-rich inclusion fragment consisting of hibonite and corundum and a relatively coarse platy hibonite crystal (Fig. 2c) with fine inclusions of
(PDF) Microstructure and phase evolution of alumina–spinel
Comparison between Fig. 4. XRD results of alumina–spinel refractory castable containing different XRD results of Figs. 3 and 4 reveals that the content of CA2 amounts of nano-alumina particles after firing at 1500 8C. C corundum S phase is decreased with the increase of
A multielement isotopic study of refractory FUN and F CAIs
· (b) Corundum shows bright cathodoluminescence (CL) hibonite and epoxy are black. The CL image was obtained with a S-3400 SEM equipped with a Gatan PanaCL/F system at the University of Wisconsin Madison. (c) The enlargement of the white box in (a) shows a refractory metal nugget at a grain boundary between hibonite and corundum.
New platy corundum castableJansincere
· New Platy Corundum Castable. GC-18. Maximum Service Temperature(℃) 1700. chemical composition Al 2 O 3 SiC. ≥90. Bulk Density(g/cm 3) 110℃ 24h. ≥2.8. Cold Crushing Strength(Mpa) 110℃ 24h. ≥70. 1100℃ 3h. ≥100. 1400℃ 3h.
Almatis Functional refractory products
Functional refractory products. The steel industry is the largest consumer of shaped refractory products that have an additional function during service. Products such as isostatically pressed products for steel casting slide gates and purging bricks play a vital role in the production process. These products are subjected to extreme chemical
EVAPORATION AND CONDENSATION KINETICS OF CORUNDUM
· Corundum is predicted to be the most abundant refractory circumstellar dust and has been suggested as a candidate emitting the 13 μm feature in infrared spectra of oxygen-rich asymptotic giant branch stars.Crystalline dust has morphologies reflecting the anisotropic crystal structure and formation conditions or processes and may emit characteristic infrared features.
EVAPORATION AND CONDENSATION KINETICS OF CORUNDUM
· Corundum is predicted to be the most abundant refractory circumstellar dust and has been suggested as a candidate emitting the 13 μm feature in infrared spectra of oxygen-rich asymptotic giant branch stars.Crystalline dust has morphologies reflecting the anisotropic crystal structure and formation conditions or processes and may emit characteristic infrared features.
REFRACTORY PHASESmeteorite studies
· REFRACTORY PHASES See also the PROTOPLANETARY DISK page Solar nebula refractory metal (W Re Os Ir Mo Ru Pt and Rh) with high vaporization temperatures in excess of 1620K were the first solids to condense as a single alloy near the midplane of the hot primordial pre-stellar core outward to 3 AU during the rapid infall stage (Class 0–I) which began over 4.568 b.y. ago
Tistarite Ti2O3 a new refractory mineral from the
· is a new member of the corundum-hematite group. It is found as one subhe-dral crystal in a cluster of micrometer-sized refractory grains along with khamrabaevite (TiC) rutile and corundum crystals within a chondrule from the Allende meteorite. The mean chemical composi-tion determined by electron microprobe analysis is (wt ) Ti 2 O 3
Cited by 83Almatis Heat Insulating Materials
The standard heat insulating materials are classified as insulating refractory bricks plates insulating castables and ceramic fibre materials. The thermal conductivity of the materials does not only depend on the total porosity but also on pore size and mineralogical composition. Innovative aggregates based on CA ₆ offer reduced thermal
