http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2749490-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_12d7341d9d87abc2cd141b5e3def6aee |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N29-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N29-28 |
| filingDate | 2020-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2749490-C1 |
| titleOfInvention | Anti-freezing contact liquid for ultrasonic flaw detection of railway rails |
| abstract | FIELD: rail transport. n SUBSTANCE: invention relates to the field of non-destructive testing using a couplant which is used in freezing temperatures for flaw detection of railway rails, elements of turnouts and welded joints in railway transport and provides a sliding friction coefficient of at least 0.15 on the rail after applying the couplant and when it completely dries out. Disclosed is a contact fluid for ultrasonic flaw detection of railway rails, elements of turnouts and welded joints at negative temperatures. The contact fluid contains components at the following ratio, wt%: potassium acetic acid grade "Ch" or potassium acetic acid technical, followed by cleaning the solution from mechanical impurities - 43-45, non-metallic abrasive particles with density of less than 1500 kg/m 3 based on caprolon, or caprolite, or carbolite, or nylon (polycaprolactam), or nylon, or neoleucorite, or caprolactam, or their mixtures - 5-25, thickener - 0.01-0.02 and the rest is water. n EFFECT: technical result consists in ensuring reliable acoustic contact with the controlled object in wide ranges of operating temperatures up to minus 50-55 °С, ensuring the values of the sliding friction coefficient on the rail after applying the couplant and with its complete drying above 0.15, the possibility of long-term storage of the couplant in the absence of special requirements for storage conditions, as well as the absence of emission of harmful volatile substances during storage. n 1 cl, 1 tbl |
| priorityDate | 2020-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.