Wyniki wyszukiwania - Biblioteka Nauki

1

Określenie nośności wybranych połączeń montażowych blach ze stopu aluminium EN AW-5754

100%

Rudawska A. , Prus P. , Miturska I. , Warda T.

Technologia i Automatyzacja Montażu

|

2017

|

tom nr 4

6--10

PL

W pracy przedstawiono wyniki badań właściwości wytrzymałościowych przeprowadzonych w próbie rozciągania dla połączeń klejowych, nitowych i klejowo-nitowych blach ze stopu aluminium EN AW-5754. Zastosowano dwie najbardziej rozpowszechnione metody wykonywania połączeń nierozłącznych, jakimi są klejenie i nitowanie oraz dodatkowo badaniom poddano połączenia powstałe z zastosowania obu metod. W procesie nitowania zastosowano pojedynczy nit zrywalny, wykonany ze stopu aluminium. W procesie klejenia wykorzystano klej epoksydowy dwuskładnikowy Epidian 57/PAC/1:1. Powierzchnię do procesu klejenia przygotowano poprzez ręczną obróbkę mechaniczną papierem ściernym P320 oraz odtłuszczanie środkiem Loctite 7063. Proces utwardzania połączeń klejowych przebiegał w temperaturze otoczenia. Analizowane połączenia poddano badaniom niszczącym, zgodnie z normą ISO 4587, na maszynie wytrzymałościowej Zwick/Roell Z150. Na podstawie wyników badań zauważono, że lepszą nośnością charakteryzowały się połączenia klejowe, jednak wynik ten nie odbiegał znacząco od wartości wytrzymałości połączenia klejowo-nitowego. Najmniej korzystnymi wynikami charakteryzowały się połączenia nitowe, co mogło być skutkiem zastosowania pojedynczego nitu.

EN

The paper presents results of a tensile test for adhesive, rivets and adhesive-riveted aluminum sheet EN AW-5754 joints. Values of strength and destructive force were presented. Due to its characteristics of used in research material finds application in almost all industries, precisely because the focus was on correctness of the technology made joints and the mechanical properties which characterized the resulting joints. Two of the most popular methods for performing permanent joints was used – bonding and riveting and hybrid of these two method. In riveting a single rivet made of an aluminum alloy was used. The holes for the rivets were previously drilled. In bonding process of the adhesive used was a two-component adhesive consisting of epoxy resin Epidian 57 and hardener PAC prepared in a stoichiometric ratio of 1:1. The sandpaper P320 machining process and degreasing with Loctite 7063 was used to surface treatment of surfaces adherends. The curing process was performed at ambient temperature. Analysed joints were destructive tested, in accordance with ISO 4587, on testing machine Zwick / Roell Z150.Based on the results observed that a better load capacity characterized by adhesive joints, but this result was similar with the load capacity of the joint adhesive-riveted. The least positive results were characterized by riveted joints, which could be due to the use of a single rivet.

2

Analiza porównawcza siły niszczącej połączenia klejowe, klejowo-nitowe oraz nitowe stopu tytanu

80%

Rudawska A. , Błaziak M.

Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika

|

2011

|

tom z. 83[279], nr 1

147-155

EN

The article presents comparative analysis of destructive force values for adhesive, adhesive-riveted and titanium alloy riveted joints, widely applied in aircraft industry. The analysis was conducted for three types of assembly joints: adhesive, adhesive-riveted and riveted. The two joints variants considered differed in the length of the lap, the number and the distribution of rivets. The riveted and adhesive-riveted joints tested included two or five rivets. Moreover, two lap lengths were applied for all the tested joint types (adhesive, adhesive-riveted, riveted), 16 and 32 mm. In the case of single-riveted joints (2 rivets) the lap length was 16mm, while for the other sample (5 rivets) - 32 mm. The results of the tests led to observe the increase of the destructive force value in the case of adhesive joints with the increase of the lap length. The observation was not dissimilar for the riveted and adhesive-riveted joints. The comparison of the three joint types of equal lap length indicated that the destructive force value for adhesive-riveted and riveted joints difference was negligible, while lower values could be observed in the case of adhesive joints.

3

Analiza porównawcza siły niszczącej połączenia klejowe, klejowo-nitowe oraz nitowe stopu tytanu

80%

Rudawska A. , Błaziak M.

Technologia i Automatyzacja Montażu

|

2011

|

tom nr 4

40-44

EN

The article presents comparative analysis of destructive force values for adhesive, adhesive-riveted and titanium alloy riveted joints that are widely applied in aircraft industry. An analysis was conducted of three types of assembly joints: adhesive, adhesive-riveted and riveted. The two joints variants differ in the length of the lap, number and distribution of rivets. The riveted and adhesive-riveted joints include two or five rivets. Moreover, two lap lengths were applied for all the tested joint types (i.e. adhesive, adhesive-riveted, riveted) 16 and 32 mm. In the case of single-riveted joints (i.e. 2 rivets) the lap length was 16 mm, while for the other sample (5 rivets) - 32 mm. The results of the tests led to an increase of the destructive force value in adhesive joints with the increase of the lap length. The observation was not the same for riveted and adhesive-riveted joints. The comparison of those three joint types of equal lap length indicated that the difference is negligible between destructive force value for adhesive-riveted and riveted joints, while the lower values are observed for the adhesive joints.