http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110218897-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F2003-208 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F2009-0848 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F9-082 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F3-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F3-15 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B22F3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22C9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22C1-0425 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22F3-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22C1-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22F3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22F9-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22C9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B22F3-15 |
| filingDate | 2019-05-24^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-01-22^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110218897-B |
| titleOfInvention | Preparation method of high-temperature-resistant Cu-Cr-Nb-Ce alloy for liner of combustion chamber of aero-engine |
| abstract | The invention discloses a preparation method of a high-temperature-resistant Cu-Cr-Nb-Ce alloy for an inner liner of an aero-engine combustor, and belongs to the technical field of manufacturing of inner liner materials of aero-engines combustors. The method mainly comprises the following steps: (1) preparing materials; (2) vacuum induction melting; (3) casting; (4) carrying out electrode induction gas atomization; (5) powder sheath hot extrusion; the Cu-Cr-Nb-Ce alloy has high-temperature resistance and good ductility, the Cr and Nb in the alloy form an LAVES (Cr2Nb) phase which is still stable when the temperature exceeds 1600 ℃, therefore, the Cu-Cr-Nb-Ce alloy is a large amount of Cr2Nb hardening phase dispersion strengthened copper alloy, the Cr2Nb hardening phase can refine and control the grain size of copper, the strength of the copper alloy is further improved, the Cr2Nb hardening phase can simultaneously prevent the material from being coarse at high temperature or the grain boundary from being oxidized or melted, and the fatigue and the ablation, the crack and the fracture fault of a hot end part of the material at high temperature are avoided; therefore, the Cu-Cr-Nb-Ce alloy is an attractive material for high-temperature environment. |
| priorityDate | 2019-05-24^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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