http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106800413-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-622 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-56 |
| filingDate | 2015-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106800413-B |
| titleOfInvention | A kind of preparation method of yttrium aluminum-carbon ceramic material |
| abstract | The present invention relates to structural ceramics field, specially a kind of preparation method of yttrium aluminum-carbon ceramic material.The specific method is as follows: using hydrogenation yttrium powder, aluminium powder and graphite powder for raw material, molar ratio 1:3:3, after mechanical mixture；In the heating reaction in furnace for being connected with inert gas shielding atmosphere, heating rate is 10~100 DEG C/min, and reaction temperature is 1600~2000 DEG C, and the pressure of application is 0~40MPa, and the reaction time is 10 minutes~2 hours.Fabricated in situ high-purity yttrium aluminium-carbon ceramic can be realized using the method for the present invention.The Vickers hardness of the block materials of preparation is about 13GPa, and bending strength is about 250MPa, and elasticity modulus is about 350GPa.The material has excellent high temperature rigid, remain to maintain its room temperature modulus at 1500 DEG C 85%, while also having good antioxygenic property, remains to defer to parabola rule at 1000 DEG C, parabolic rate constant is 6.34 × 10 ‑9 kg 2 m ‑ 4 s ‑1 .Therefore it has a wide range of applications in high-technology fields such as aerospace, nuclear industry, superhigh temperature structural members. |
| priorityDate | 2015-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.