Wszystkie pola: 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:: Joining of AA2014 and AA5059 dissimilar aluminium alloys by Friction Stir Welding
Autorzy:: Saleh, A. A.
Powiązania:: https://bibliotekanauki.pl/articles/368103.pdf
Data publikacji:: 2019
Wydawca:: Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:: dissimilar aluminium alloys
friction stir welding
AA2014
AA5059
stopy aluminium
zgrzewanie tarciowe
Opis:: Purpose: This work aims to investigate the microstructure and mechanical properties achieved by FSW of butt joints, namely of dissimilar sheets namely of 2014-T3 to 5059-H11 Al alloys by bonding the two materials perpendicular to their rolling directions. Design/methodology/approach: AA 2014T3 and AA 5059H11 were two dissimilar aluminium alloys friction stir welded. The joint has been examined in terms of hardness, microstructure, and mechanical properties. The microstructure of the weld area was characterized by using optical microscopy. Seven diverse regions of the microstructure in the joint can be illustrious. Findings: It has been noticed that a structure of fine grain is formed in the nugget region as a consequence of recrystallization. The thermos mechanically affected and heat affected zones of aluminium alloy 2014 are characterized by the lowest hardness values in spite of there are a general hardness decrease through the weld zone compared to both base metals. The ultimate tensile strength values of the dissimilar joint were found to be varying between 54% to 66% those of the base metal. Research limitations/implications: The t joining in FSW takes place with the base materials remnant in the solid state, which gives a considerable possibility to produce joints between the alleged difficult-to-weld heat treatable aluminium alloys. Originality/value: The outcomes display that friction stir welding can be effectively applied for the joining of dissimilar aluminium alloys.
Źródło:: Journal of Achievements in Materials and Manufacturing Engineering; 2019, 97, 1; 15-20
1734-8412
Pojawia się w:: Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The influence of joining method of AW-7020 aluminium alloy on corrosion properties
Autorzy:: Dudzik, K.
Powiązania:: https://bibliotekanauki.pl/articles/247476.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: aluminium alloys
friction stir welding (FSW)
MIG welding
corrosion
Opis:: The results of corrosion properties research of aluminum alloy AW 7020 (AlZn5Mg1) welded by friction stir welding FSW and MIG were presented. Friction Stir Welding (FSW) - a new technology can be successfully used for butt welding of different types of aluminum alloy sheets. In the article the parameters for friction stir welding of sheets made of AlZn5Mg1 [7020] alloy was presented as well as parameters for MIG. Metallographic analysis of bonds showed a proper structural construction of both, the FSW and MIG welded 7020 aluminum alloys. The polarization was carried out at changes in the potential speed of 12 mV/min in the range of š 50 mV with the stationary potential. Atlas 0531EU & IA potentiostat was used for studies. The corrosion resistance research was carried out using three electrode potentiodynamic method. The following parameters were measured: electrode potential Ec [mV] and the corrosion current density Jc [mi A/cm2]. The tests were carried out on specimens in 3.5% water solution NaCl. Good resistance to electrochemical corrosion was found of the native material, friction stir welded and MIG welded 7020 aluminum alloys. Original value are received results of the corrosion properties of new method friction stir welded AlZn5Mg1 alloy compared with traditional MIG method and the native material.
Źródło:: Journal of KONES; 2011, 18, 4; 587-581
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Influence of joining method for mechanical properties of 7020 aluminium alloy joints
Autorzy:: Dudzik, K.
Powiązania:: https://bibliotekanauki.pl/articles/245189.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: friction stir welding (FSW)
aluminium alloys
joints
welding
mechanical properties
shipbuilding
Opis:: The article presents the research results on the mechanical properties of aluminum alloy 7020 and its FSW and MIG welded joints. Welding parameters used for the connection of the sheets made of 7020 alloy were presented. Metallographic analysis showed the correct construction of structural bonded joints. Friction Stir Welding (FSW) – a new technology can be successfully used for butt welding of different types of aluminum alloy sheets. FSW method can be an alternative to traditional arc welding methods, especially MIG, which is the most common method of joining aluminum alloys used in shipbuilding. The research was carried out using a static tensile test in accordance with the requirements of the Polish Standards PN-EN ISO 4136:2011 and PN-EN ISO 6892-1:2010. Flat samples cut perpendicular to the direction of rolling were used. The research was conducted at the temperature of + 20ºC. Friction stir welded joints of 7020 alloy have higher strength properties compared to MIG welded joints. The yield stress of FSW joint is higher by 14.2% compared to MIG welded joint, and at the same level as the native material. Plastic properties of FSW joint are much higher than MIG joint (over 40%). Confirmation of high strength properties of FSW joint is the place of crack - beyond the weld in the native material.
Źródło:: Journal of KONES; 2013, 20, 1; 71-76
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Influence of joining method for hardness distribution in joints of AlZnSMg1 alloy
Autorzy:: Dudzik, K.
Powiązania:: https://bibliotekanauki.pl/articles/247544.pdf
Data publikacji:: 2010
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: friction stir welding (FSW)
welding MIG
aluminium alloys
hardness distribution
Opis:: The article presents the research results of hardness values distribution of friction s tir welded joint (FSW) alloy AW 7020 (AlZn5Mg1). The joints welded by traditional MIG method of the same aluminium alloy were chosen as reference points. Friction stir welding (FSW) - a new technology can be successfully used for butt welding of sheet metal with different types of aluminium alloys. The parameters of friction stir welding (FSW) and MIG welding used to join metal alloy AlZn5Mg1 (7020) were presented. Metallographic analysis showed the correct structured both MIG welded joints and FSW welded aluminum alloy 7020. The study was carried out using Vickers hardness HV5 accordance with the requirements of the Polish Standard PN-EN 1043-1:2000. The study was conducted in three rows, and the indenter load was 50 N. In order to determine the structural changes in the bonded joints, the samples were polished and then micro-etched KELLER reagent. Metallographic examination was carried out using optical microscope Axiovert ZAISS 25. Metallographic examination revealed the existence of an explicit heat affected zone of HAZ in case of MIG welded joints and virtually lack there of, in case of FSW welded joints. In case of FSW welded joint, maximum hardness was observed in the middle of joint, but at a distance of approximately 25 mm from the middle of the weld there is a hardness decrease of about 10% relative to the base material. In the MIG weldedjoint lowest hardness of the weld occurred in the middle of the joint.
Źródło:: Journal of KONES; 2010, 17, 4; 137-141
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: The Mechanism of Solid State Joining THA with AlMg3Mn Alloy
Autorzy:: Kaczorowski, M.
Goroch, O.
Krzyńska, A.
Powiązania:: https://bibliotekanauki.pl/articles/381603.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: friction welding
tungsten heavy alloys
aluminum alloys
structure
properties
zgrzewanie
stop wolframu
stopy aluminium
struktura
właściwości
Opis:: The results of experimental study of solid state joining of tungsten heavy alloy (THA) with AlMg3Mn alloy are presented. The aim of these investigations was to study the mechanism of joining two extremely different materials used for military applications. The continuous rotary friction welding method was used in the experiment. The parameters of friction welding process i.e. friction load and friction time in whole studies were changed in the range 10 to 30kN and 0,5 to 10s respectively while forging load and time were constant and equals 50kN and 5s. The results presented here concerns only a small part whole studies which were described elsewhere. These are focused on the mechanism of joining which can be adhesive or diffusion controlled. The experiment included macro- and microstructure observations which were supplemented with SEM investigations. The goal of the last one was to reveal the character of fracture surface after tensile test and to looking for anticipated diffusion of aluminum into THA matrix. The results showed that joining of THA with AlMg2Mn alloy has mainly adhesive character, although the diffusion cannot be excluded.
Źródło:: Archives of Foundry Engineering; 2014, 14, 2; 37-42
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

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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Skocz do pozycji: 8.

Tytuł:: Analysis of possible shipbuilding application of friction stir welding application of friction stir welding (FSW) method to joining elements made of AlZn5Mg1 alloy
Autorzy:: Dudzik, K.
Czechowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/259115.pdf
Data publikacji:: 2009
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: aluminium alloys
friction stir welding
Opis:: In industrial practice the welding of Al- alloys is usually performed under pure argon shielding by means of MIG or TIG methods. In recent years new joining techniques such as friction stir welding (FSW) have appeared. Joints of EN AW-7020 T6 alloy elements welded by using FSW method have been tested. Results of static tensile tests, transverse bending tests as well as tests on stress corrosion susceptibility are presented. Parameters of friction welding (FSW) applied to joints of plates made of AlZn5Mg1[7020] alloy are given. Stress corrosion tests have been performed by using slow-strain-rate testing method (SSRT) in compliance with PN-EN ISO 7539-7 standard. The tests were conducted in air and 3.5% NaCl water solution. The following parameters have been measured during the tests: time to failure – T [h], maximum failure load – F [N], fracture energy (area under stress-elongation curve) – E [MJ/m3], relative elongation of specimen – A10 [%], maximum tensile stress – R [MPa], as well as percentage reduction of area – Z [%]. On the basis of the obtained test results it was concluded that the joints welded by means of FSW method show good resistance to stress corrosion at satsifactory strength properties, which indicates that application of friction welding by using FSW method in shipbuilding industry is purposeful.
Źródło:: Polish Maritime Research; 2009, 4; 38-41
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Zgrzewanie tarciowe kompozytów Al/Al₂O₃ ze stopami Al 44200
Joining Al/Al2O3 composites and 44200 aluminium alloys by friction welding technique
Autorzy:: Siedlec, R.
Strąk, C.
Powiązania:: https://bibliotekanauki.pl/articles/192212.pdf
Data publikacji:: 2014
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Technologii Materiałów Elektronicznych
Tematy:: zgrzewanie tarciowe
kompozyt
ceramika
stop Al
friction welding
composite
ceramic
aluminum alloy
Opis:: Zgrzewanie tarciowe to jedna z bardziej ekonomicznych metod trwałego łączenia materiałów w stanie stałym. Metoda ta umożliwia wykonywanie złączy zarówno jednoimiennych, jak i różnoimiennych w bardzo krótkim czasie. Zaletą zgrzewania tarciowego jest możliwość uzyskania złączy o wysokiej jakości. Zgrzewanie tarciowe kompozytów z metalami, stwarza nowe możliwości aplikacji z uwagi na fakt, że oba materiały posiadają różne właściwości fizyczne oraz mechaniczne. W pracy przeprowadzono próby spajania stopu aluminium 44200 (wg normy PN-EN 1706:2001) z kompozytami Al/Al₂O₃. W pracy przeprowadzono następujące badania złączy stop aluminium-kompozyt uzyskanych metodą zgrzewania tarciowego: mikroskopowe, twardości, mechaniczne (pomiar wytrzymałości na rozciąganie). Wykonane badania miały na celu ocenę jakości połączenia pomiędzy stopem 44200, a kompozytami na osnowie stopu aluminium wzmacnianymi fazą ceramiczną Al/Al₂O₃.
Friction welding is one of the most economical processes for durable joining of solid-state materials. This technique allows bonding similar and dissimilar materials in a very short time. Friction welding of metals and composites opens up new application opportunities due to the fact that these materials have different physical and mechanical properties. In the present study, 44200 aluminum alloy was friction welded to Al/Al₂O₃ composite. In addition, the following analyses were performed for all joints produced by friction welding: optical microscopy, microhardness measurements and tensile strength measurements. All studies were carried out to evaluate the quality of bonding between aluminum alloy and metal matrix composites reinforced with a ceramic phase of Al/Al₂O₃.
Źródło:: Materiały Elektroniczne; 2014, T. 42, nr 3, 3; 11-19
0209-0058
Pojawia się w:: Materiały Elektroniczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Możliwości łączenia cienkich blach ze stopów Al, Mg oraz tytanu GRADE 3 w procesie FSW
Possibility of joining thin sheets of Al, Mg alloys and Ti GRADE 3 in FSW process
Autorzy:: Myśliwiec, P.
Śliwa, R. E.
Ostrowski, R.
Powiązania:: https://bibliotekanauki.pl/articles/212133.pdf
Data publikacji:: 2017
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Obróbki Plastycznej
Tematy:: zgrzewania tarciowego z przemieszaniem
stopy magnezu
stopy aluminium
AZ31B
blacha cienka
tytan GRADE 3
FSW welding
magnesium alloys
aluminum alloys
thin sheet
titanium GRADE 3
Opis:: Procesy oparte na łączeniu materiałów w stanie stałym stanowią skuteczne rozwiązanie pod względem aspektów wytrzymałościowych i trwałości wykonanego elementu. W ostatnich latach nastąpiło duże zainteresowanie środowisk naukowo-badawczych i przemysłu rozwijaniem niekonwencjonalnych metod łączenia materiałów konstrukcyjnych w przemyśle transportowym, w tym metodami zgrzewania tarciowego z przemieszaniem FSW (Friction Stir Welding). W pracy przedstawiono charakterystykę procesu FSW na podstawie złączy cienkich blach metalicznych stopów Al Mg i czystego technicznie tytanu GRADE 3 (AMS-T-9046 / AMS 4900) grubości 0,4 i 0,5 mm. Analizując omawiane właściwości połączeń oraz modyfikacje metalurgiczne strefy złączą, poprzez wpływ głównych zmiennych procesowych, co ma wpływ na jakość złączy FSW. Proces zgrzewania zrealizowano na 3 osiowej pionowej frezarce sterowanej numerycznie, wyposażonej w specjalnie przygotowany uchwyt mocujący, z wykorzystaniem narzędzi z węglika wolframu oraz ceramiki narzędziowej. Parametry geometryczne dostosowano do grubości blachy na podstawnie algorytmu wg danych literaturowych [12]. Podczas procesu realizowano pomiar sił osiowych i promieniowych, wykorzystując precyzyjny siłomierz piezoelektryczny, w celu analizy efektu uplastycznienia łączonych blach. Wytrzymałość połączeń FSW wyznaczono na podstawie statycznej próby rozciągania w temperaturze pokojowej. Na tej podstawie zdefiniowano efektywność złącza w porównaniu do materiału rodzimego. Wykazano, że metoda FSW pozwala na wykonywanie wysokiej jakości wolnych od wad zgrzein cienkich blach metalicznych, zarówno z metali nieżelaznych, jak i z czystego technicznie tytanu GRADE 3 (AMS-T-9046 / AMS 4900). Efektywność wykonanych połączeń FSW znacznie przekraczała 80% wytrzymałości na rozciąganie materiału rodzimego. Wykazano, że proces FSW może stanowić alternatywę dla procesu spawania łukowego, nitowania lub zgrzewania oporowego RSW.
Processes based on a joining of materials in the solid state, constitute an effective solution to the aspects of strength and durability of the produced element. In recent years there has been a great interest of research and industry to develop unconventional methods of joining construction materials in the transport industry, including Friction Stir Welding. This paper presents the characteristics of the FSW process based on the joints of thin sheet of Al and Mg alloys and technically pure GRADE 3 titanium (AMS-T-9046 / AMS 4900) of 0.4 and 0.5 mm in thicknesses. Analyzing the joints properties and metallurgical modifications through the influence of the main process variables, which affects the quality of the FSW joints. The welding process was carried out on a 3 axial vertical numerically controlled milling machine, equipped with a specially prepared fixing device, using tungsten carbide tools and ceramics tool. Geometric parameters were adjusted to the thickness of the sheet using the algorithm according to literature [12]. During the process, axial and radial forces were measured using a precision piezoelectric dynamometer to analyze the effect of the plasticization in the joined area. The ultimate tensile strength (UTS) of FSW joints was determined by the static tensile test at room temperature. On this basis, the efficiency of the joint was determined as compared to the parent material (PM). It has been shown that the FSW method allows for the production of high quality defect free joints both from nonferrous metals as well as from pure GRADE 3 titanium (AMS-T-9046 / AMS 4900). Efficiency of FSW connections exceeds 80% of the tensile strength of parent material. It has been shown that the FSW process can be an alternative for arc welding, riveting or RSW welding.
Źródło:: Obróbka Plastyczna Metali; 2017, 28, 4; 263-280
0867-2628
Pojawia się w:: Obróbka Plastyczna Metali
Dostawca treści:: Biblioteka Nauki

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