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Publikacje Pracowników Politechniki Lubelskiej

MNiSW
25
Lista A
Status:
Autorzy: Rudawska Anna, Czarnota Monika
Rok wydania: 2013
Wersja dokumentu: Drukowana | Elektroniczna
Język: angielski
Numer czasopisma: 17
Wolumen/Tom: 27
Strony: 1933 - 1950
Impact Factor: 1,153
Web of Science® Times Cited: 32
Scopus® Cytowania: 31
Bazy: Web of Science | Scopus
Efekt badań statutowych NIE
Materiał konferencyjny: NIE
Publikacja OA: NIE
Abstrakty: angielski
The paper focuses on selected parameters of curing process – temperature and time. The tests aimed at evaluating the impact of short-term thermal recuring on 1050A and 2017A aluminium alloy sheet adhesive joints strength. Joints were formed with two different adhesives, the main component of which was in both cases epoxy resin Epidian 53 and two different cure agents – poliamineamide C (PAC) and triethylenetetraamine (PF) curing agents. Curing conditions – first curing time, recuring time and recuring temperature – were modified for each of the four tests conducted. For the sake of comparative analysis, adhesive joints were subjected to a single-stage cure cycle at ambient temperature. A two-stage cure cycle of both Epidian 53 compositions at 80 °C for 1 and 2 h produces a material of different mechanical properties than the same material which submits a single-stage cure cycle at ambient temperature, as well as at 60 °C for 30 min. Simultaneously, Epidian 53/PF/100:50 composition proves to produce higher joint strength after recuring than Epidian 53/PAC/100:80; the strength of a joint formed with the former composition increases up to 50% when compared with joints subjected to a single-stage cure cycle. Moreover, tests show that recuring of the adhesive joint formed with both compositions at 60 °C for 30 min does not have a considerable influence on either 1050A or 2017A aluminium adhesive joint strength.