http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112341230-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-5244 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-5248 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-5288 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-622 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-622 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-80 |
| filingDate | 2020-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-02-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-02-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112341230-B |
| titleOfInvention | Hierarchical toughening ultra-high temperature ceramic matrix composite inspired by leaves and preparation method thereof |
| abstract | The invention belongs to the field of ultra-high temperature ceramic-based composite materials, and particularly relates to a graded toughening ultra-high temperature ceramic-based composite material inspired by leaves and a preparation method thereof, wherein firstly, a polyether sulfone coating is coated on carbon fibers, and then silicon carbide nanowires are grown on the carbon fibers by taking polyether sulfone as a carbon source to construct a primary vein and a secondary vein; secondly, dipping the carbon fiber with the silicon carbide nano wire into the ultrahigh-temperature ceramic slurry containing the carbon nano tube, constructing a three-level vein, and drying to obtain a pre-sintered blank; finally, the graded toughened ultra-high temperature ceramic matrix composite material inspired by leaves is prepared by hot pressing and sintering. The special hierarchical structure can change the expansion direction of the crack, increase the expansion path of the crack and absorb more fracture energy through mechanisms such as extraction, debonding, bridging and the like of the primary vein, the secondary vein and the tertiary vein, so that the prepared composite material has excellent thermal shock resistance and fracture resistance. |
| priorityDate | 2020-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.