Matches in SemOpenAlex for { <https://semopenalex.org/work/W2899040060> ?p ?o ?g. }
Showing items 1 to 53 of
53
with 100 items per page.
- W2899040060 abstract "The accelerated stress cracking of monolithic polycarbonate sheets was investigated. Cracking of polycarbonate organic glasses during operation leading to a drop in impact strength and transparency is their main disadvantage. The main role in the acceleration of the process of cracking is played by the stresses that arise when they are formed and mounted. The aim of this work was to investigate the dependence of the cracking start time on the stress applied to the sheet monolithic polycarbonate. This makes it possible to predict the lifetime of polycarbonate products. The experiments were carried out in air and in contact with an adsorption-active medium (a mixture of toluene and n-propanol). The stresses applied to the samples varied in the range from 25 to 55 MPa. It is shown that the dependence of the cracking start time of a polycarbonate on the applied stress can be described by Zhurkov exponential equation. The coefficients of this equation for the processes of cracking in air and in contact with the adsorption-active liquid are calculated. It is established that the activation energy of the polycarbonate cracking process (129.5 kJ/mol) is close in magnitude to the activation energy of the thermal-oxidative destruction (about 145-155 kJ/mol). In contact with the adsorption-active mixture of toluene (25% mass.) and n-propanol, the activation energy of the cracking is reduced to 98.5 kJ/mol. At the same time, the structural coefficient in the Zhurkov equation (activation volume) increases from 1.45 to 2.45 nm3. The analysis of the obtained results made it possible to predict the lifetime of monolithic polycarbonate sheets and products made of them at various operating stresses" @default.
- W2899040060 created "2018-11-09" @default.
- W2899040060 creator A5021641602 @default.
- W2899040060 creator A5074284014 @default.
- W2899040060 date "2018-06-28" @default.
- W2899040060 modified "2023-09-25" @default.
- W2899040060 title "CRACKING OF MONOLITHIC POLYCARBONATE SHEETS IN A STRESSED STATE" @default.
- W2899040060 cites W1990848828 @default.
- W2899040060 cites W2021566195 @default.
- W2899040060 cites W2043198978 @default.
- W2899040060 cites W2058447645 @default.
- W2899040060 doi "https://doi.org/10.32362/24106593-2018-13-3-72-78" @default.
- W2899040060 hasPublicationYear "2018" @default.
- W2899040060 type Work @default.
- W2899040060 sameAs 2899040060 @default.
- W2899040060 citedByCount "2" @default.
- W2899040060 countsByYear W28990400602020 @default.
- W2899040060 countsByYear W28990400602022 @default.
- W2899040060 crossrefType "journal-article" @default.
- W2899040060 hasAuthorship W2899040060A5021641602 @default.
- W2899040060 hasAuthorship W2899040060A5074284014 @default.
- W2899040060 hasBestOaLocation W28990400601 @default.
- W2899040060 hasConcept C159985019 @default.
- W2899040060 hasConcept C178790620 @default.
- W2899040060 hasConcept C185592680 @default.
- W2899040060 hasConcept C192562407 @default.
- W2899040060 hasConcept C2776540798 @default.
- W2899040060 hasConcept C58396970 @default.
- W2899040060 hasConcept C95121573 @default.
- W2899040060 hasConceptScore W2899040060C159985019 @default.
- W2899040060 hasConceptScore W2899040060C178790620 @default.
- W2899040060 hasConceptScore W2899040060C185592680 @default.
- W2899040060 hasConceptScore W2899040060C192562407 @default.
- W2899040060 hasConceptScore W2899040060C2776540798 @default.
- W2899040060 hasConceptScore W2899040060C58396970 @default.
- W2899040060 hasConceptScore W2899040060C95121573 @default.
- W2899040060 hasLocation W28990400601 @default.
- W2899040060 hasOpenAccess W2899040060 @default.
- W2899040060 hasPrimaryLocation W28990400601 @default.
- W2899040060 hasRelatedWork W1967363843 @default.
- W2899040060 hasRelatedWork W1991649287 @default.
- W2899040060 hasRelatedWork W2006221599 @default.
- W2899040060 hasRelatedWork W2040226335 @default.
- W2899040060 hasRelatedWork W2054436285 @default.
- W2899040060 hasRelatedWork W2113250094 @default.
- W2899040060 hasRelatedWork W2810807228 @default.
- W2899040060 hasRelatedWork W2980266865 @default.
- W2899040060 hasRelatedWork W2993121761 @default.
- W2899040060 hasRelatedWork W3142048519 @default.
- W2899040060 isParatext "false" @default.
- W2899040060 isRetracted "false" @default.
- W2899040060 magId "2899040060" @default.
- W2899040060 workType "article" @default.