| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-666
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-5454 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-1115
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-62605 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-111
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-626 |
| filingDate |
2020-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-112745112-B |
| titleOfInvention |
A kind of preparation method of high-strength and high-hardness fine-grained α-phase alumina ceramics |
| abstract |
The present invention relates to a preparation method of high-strength and high-hardness fine-grained α-phase alumina ceramics, which is obtained by heating and sintering the amorphous aluminum hydroxide. The material obtained by the invention has high strength and high hardness. |
| priorityDate |
2020-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |