Temat: joining aluminium alloys - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Effect of Plunge Depth on the Strength Properties of Friction Welded Joints Using the RFSSW Method
Autorzy:: Kluz, Rafał
Kubit, Andrzej
Wydrzyński, Dawid
Powiązania:: https://bibliotekanauki.pl/articles/102342.pdf
Data publikacji:: 2018
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: friction stir welding
joining aluminium alloys
refile friction spot stir welding
zgrzewanie tarciowe
łączenie stopów aluminium
spawanie punktowe z mieszaniem punktowym
Opis:: The Refill Friction Stir Spot Welding (RFSSW) method consists of three variable process parameters: rotational speed, tool plunge time and depth. The article presents an analysis of the effects tool plunge depth on shear strength. For this purpose, samples had a shearing load applied in a device prepare for this purpose. The shear strength was determined. An analysis of the results showed that tool plunge has a large effect on the strength of the joint and the structure of the joint. Depending on the tool plunge value, three types of joint failure were observed during the static shear strength test.
Źródło:: Advances in Science and Technology. Research Journal; 2018, 12, 1; 41-47
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Microstructure of the Bonding Zone Between AZ91 and AlSi17 Formed by Compound Casting
Autorzy:: Mola, R.
Bucki, T.
Dziadoń, A.
Powiązania:: https://bibliotekanauki.pl/articles/379744.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: casting process
joining
magnesium alloys
aluminum alloys
intermetallic phases
microstructure
proces odlewania
łączenie
stop magnezu
stop aluminium
faza intermetaliczna
mikrostruktura
Opis:: This paper discusses the joining of AZ91 magnesium alloy with AlSi17 aluminium alloy by compound casting. Molten AZ91 was cast at 650^oC onto a solid AlSi17 insert placed in a steel mould under normal atmospheric conditions. Before casting, the mould with the insert inside was heated up to about 370^oC. The bonding zone forming between the two alloys as a result of diffusion had a multiphase structure and a thickness of about 200 μm. The microstructure and composition of the bonding zone were analysed using optical microscopy, scanning electron microscopy and energy dispersive X-ray spectroscopy. The results indicate that the bonding zone adjacent to the AlSi17 alloy was composed of an Al3Mg2 intermetallic phase with not fully consumed primary Si particles, surrounded by a rim of an Mg2Si intermetallic phase and fine Mg2Si particles. The bonding zone near the AZ91 alloy was composed of a eutectic (an Mg17Al12 intermetallic phase and a solid solution of Al and Si in Mg). It was also found that the compound casting process slightly affected the AZ91alloy microstructure; a thin layer adjacent to the bonding zone of the alloy was enriched with aluminium.
Źródło:: Archives of Foundry Engineering; 2017, 17, 1; 202-206
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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