http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-2916203-T3
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e50a6721fffd4e85f83dd02d0f117c6e |
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| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-043 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-013 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-106 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-0435 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22D41-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-482 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22D41-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-106 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-482 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-043 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22D11-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-01 |
| filingDate | 2014-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f68ce6beecd4aaf51704855b65b9d3ab http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bd7088420e4f1f02f54c1c7bd2afd692 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b6b0b90358ed2f1083ede965e4c4767b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_449dba137c737704f4e1bffb20cd983d |
| publicationDate | 2022-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-2916203-T3 |
| titleOfInvention | Refractory material and pouring nozzle |
| abstract | A refractory material that contains, in terms of chemical composition measured after being subjected to a heat treatment in a non-oxidizing atmosphere at 1000°C: 40% by mass or more of MgO; from 4 to 30% by mass of a free carbon component; a total amount of 0.3 to 3% by mass of one or more oxides selected from the group consisting of B2O3, P2O5, SiO2 and TiO2; and optionally, a remainder of at least one other type of additional refractory component, wherein the additional refractory component is selected from the group consisting of an Al2O3 component; an oxide component selected from ZrO2, Y2O3, CaO and Cr2O3; and SiC, where these may be added independently, or may be used in the form of a solid solution or a compound; wherein the refractory material contains a refractory microstructure constructed such that a void layer having a certain thickness is formed at an interface between a three-dimensionally continuous carbonaceous matrix and each of a plurality of MgO-containing particles residing in the carbonaceous matrix, such that it surrounds the MgO-containing particle, wherein an approximately continuous void layer free of solids such as carbon is formed around each of the MgO-containing particles, wherein an average of the respective MS values of ten selected particles in a field of microscopic observation of the microstructure is in the range of 0.2 to 3.0%, where the value of MS is the value of the microspace that indicates the ratio between the thickness of the empty layer and a size of particle size and wherein the average of the respective MS values of ten particles is determined according to the description, and wherein an inorganic compound composed by MgO and one or more oxides selected from the group consisting of B2O3, P2O5, SiO2 and TiO2 exists in whole or in part on a surface of each of the plurality of MgO-containing particles, wherein the above expression "approximately continuous "means that the empty shell actually exists around the entire periphery of each MgO-containing particle, and even when a state of partial contact between a given MgO-containing particle and an adjacent MgO-containing particle or matrix is observed during verification by microscopic observation, such a state is not a sufficient "bound" state to ensure fixation of certain MgO-containing particles with respect to adjacent MgO-containing particles or the matrix. |
| priorityDate | 2013-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 68.