Wszystkie pola: welding MIG - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: MIG welding of austenitic 316L steel used in means of transport
Autorzy:: Szczucka-Lasota, Bożena
Węgrzyn, Tomasz
Powiązania:: https://bibliotekanauki.pl/articles/2203054.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:: civil engineering
transport
mobile platforms
MIG welding
316L steel
inżynieria lądowa
platforma ruchoma
spawanie MIG
stal 316L
Opis:: The austenitic 316L steel (1.4401) is an important stainless material used to build various means of transport. Austenitic steel has high resistance to atmospheric corrosion. The austenitic steel is treated as a good weldable material, although cracks are possible. This paper analyses the influence of various MIG welding parameters on the creation of correct joints used in the stainless steel structures of mobile platforms elements, as an example of welding structures, in various means of transport. Various tests verifying the mechanical properties of MIG welds, including non-destructive tests, tensile strength and hardness tests, were carried out. This article aims to show how important and complex the task is to select the correct welding parameters for elements of means of transport made of austenitic steel on the example of elements of mobile platforms.
Źródło:: Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 116; 247--256
0209-3324
2450-1549
Pojawia się w:: Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Low - cycle fatigue of Al-Mg alloy joints
Autorzy:: Czechowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/247917.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: corrosion fatigue
Al-Mg alloy
MIG welding
Opis:: This article presents the results of the low-cycle fatigue tests of AW-5059 Alustar alloy. Gas metallic welding in argon arc shield was used. Metallographic analysis of bonds showed a proper structural construction MIG welded 5059 aluminum alloy. The low-cycle fatigue tests were carried out in the air and artificial seawater (3.5% water solution NaCl), with stable amplitude of stress value. The stresses were changed in the symmetric cycle (the stress ratio was R = -1) with constant strain rate of 5mm/min and the frequencies oscillating between 0.08-0.2 Hz. During the tests the following parameters was observed: number of cycles until the specimen's destruction, upper and lower extreme values of force and strain for the selected cycles, duration-time of the test and frequency. Analysis of specimens fracture surfaces was performed with scanning electron microscope (SEM) Philips XL30. In case of the specimens exposed in 3,5% water solution NaCl the fatigue durability is lower than the durability of specimens tested in the air. The article depicts the changes in total strain amplitude Iac [mm] depending on number of cycles [N] obtained in the tests with ia=const and the low-cycle fatigue resistance for the welded Alustar alloy. Original value are received results of the low-cycle fatigue tests of AW-5059 Alustar alloy welded by MIG
Źródło:: Journal of KONES; 2012, 19, 2; 103-108
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
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:: EIS research of AW - 7020 alloy joints welded by MIG
Autorzy:: Dudzik, K.
Charchalis, A.
Powiązania:: https://bibliotekanauki.pl/articles/248097.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: electrochemical impedance spectroscopy (EIS)
aluminium alloys
MIG welding
corrosion
Opis:: The results of corrosion properties research of aluminum alloy AW 7020 (AlZn5Mg1) welded by MIG were presented. In the article the parameters for MIG welding of sheets made of AlZn5Mg1 (7020) alloy was presented. Metallographic analysis of bonds showed a proper structural construction MIG welded 7020 aluminum alloy. EIS measurement was performed in three electrode system in artificial seawater (3.5% NaCl). Impedance studies were carried out at the corrosion potential. Changed voltage signal amplitude in the range plus or minus 10 mV and frequency range of changes was as follows: 100 kHz - 0.1 Hz. Atlas 0531 EU and IA potentiostat was used for studies. Model in the form of an electrical equivalent circuit replacement was chosen for the test object. The results of electrochemical impedance spectroscopy are presented graphically in the Nyquist charts matched with the theoretical curve to them and in the form of parameters characterizing the corrosion process. Obtained results were statistically analyzed. Much better resistance to electrochemical corrosion was found for the native material then joint welded by MIG of 7020 aluminum alloy. The most important parameter - charge transfer resistance value of a double layer Rct for sample of native material is higher than for the sample welded by MIG. Original value is received results of the corrosion properties of MIG welded AlZn5Mg1 alloy compared with the native material.
Źródło:: Journal of KONES; 2012, 19, 1; 83-88
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Microscopic examination of AlZn5Mg1 alloy joints welded by FSW and MIG
Autorzy:: Dudzik, K.
Charchalis, A.
Jurczak, W.
Powiązania:: https://bibliotekanauki.pl/articles/247908.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: microscopic examination
aluminium alloys
friction stir welding (FSW)
MIG welding
grain size
Opis:: The article presents the research results of microscopic examination of friction stir 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. Welds made using both the FSW and MIG method were checked using X-ray flaw detection and showed no welding defects. In order to determine the structural changes in the bonded joints, the samples were polished and then microetched KELLER reagent. Metallographic examination was carried out using optical microscope Axiovert ZAISS 25. To determine the grain size in the different zones of joints welded by FSW and MIG methods AxioVision 4.8.2 software was used. Metallographic examination revealed the existence of an explicit heat affected zone of HAZ in case of MIG welded joints and virtually lack thereof, in case of FSW welded joints. Microscopic examination of AlZn5Mg1 alloy joints showed that the structure of the FSW welded joint is more homogeneous than the MIG welded joint. The analysis of the grain size of the characteristic zones of joints shows that in the case of joints welded by FSW the weld nugget has smaller grains than the native material. In case of the joint welded by traditional MIG method the biggest grains are in HAZ and the smallest in the native material.
Źródło:: Journal of KONES; 2012, 19, 2; 129-135
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Fatigue Behavior of MIG-Welded 7N01-T4 Aluminum Alloy with Different V-Groove Angles
Autorzy:: Ma, Zhongwei
Li, Qinghua
Ma, Lin
He, Zhaokun
Liang, Zhimin
Powiązania:: https://bibliotekanauki.pl/articles/351758.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: 7N01-T4 aluminum alloy
MIG welding
V-groove angle
fatigue
fracture
Opis:: 7N01-T4 aluminum alloy was welded by metal inert gas welding and the influence of V-groove angle on joint fatigue properties was investigated. The results indicate that the volume of fusion zone (FZ) and the grains in FZ become small when the groove angle decreases to 50° from 70°. Most pores distribute at the FZ edge and fewer pores are formed in the small angle joint. The fatigue crack mainly initiates at the transition region between the weld passes due to the pore concentration. The small angle contributes to increasing joint fatigue properties, especially at the low stress level. The fatigue strength of 50° joint is 103.06 MPa which is 15.3% higher than that of 70° joint.
Źródło:: Archives of Metallurgy and Materials; 2019, 64, 4; 1577-1584
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Advantages of new micro-jet welding technology on weld microstructure control
Zalety nowej technologii spawania mikrojetowego dotyczące kontroli mikrostruktury spoiny
Autorzy:: Piwnik, M.
Węgrzyn, T.
Wieszała, R.
Hadryś, D.
Powiązania:: https://bibliotekanauki.pl/articles/374791.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:: micro-jet cooling
MIG welding
steel welding structure
chłodzenie mikro-jet
spawanie MIG
struktura spawania stali
Opis:: An innovative apparatus to welding process with micro-jet cooling of the weld made it possible to carry out technological tests, which have proved theoretical considerations about this problem. This project gives real opportunities for professional development in the field of welding with controlling the parameters of weld structure. These tests have proved that the new micro-jet technology has the potential for growth. It may be great achievement of welding technology in order to increase weld metal strength. The new technology with micro-jet cooling may have many practical applications in many fields, for example such as in the transport industry or to repair damaged metal elements. The advantages of the new device over the traditional system are the ability to control the structure of the weld, the weld mechanical performance increases and improve the quality of welded joints
W artykule przedstawiono innowacyjną technologię spawania z wykorzystaniem chłodzenia mikrojetowego dla połączeń spawanych konstrukcji samochodowych. Przedstawiono rozważania teoretyczne i kierunki rozwoju oraz wyniki przeprowadzonych prób technologicznych. Wykazano, że ta innowacyjna technologia jako pierwsza na świecie daje realne możliwości kontrolowania parametrów struktury spoiny w trakcie realizacji procesu spawalniczego. W przyszłości będzie możliwe uzyskanie określonej struktury spoiny bez dodatkowej obróbki, co znacznie skróci czas przygotowania wyrobów, a także poprawi jakość spoiny np. przez wzrost wytrzymałości. Nowa technologia mikrojetowa może mieć dużo praktycznych zastosowań w wielu dziedzinach, takich jak przemysł transportowy, lub może być wykorzystana do naprawy uszkodzonych elementów metalowych w tym wałów maszynowych. Zaletami nowego urządzenia w porównaniu z systemem tradycyjnym są możliwość sterowania strukturą spoiny, polepszenie parametrów mechanicznych spoiny i poprawa jakości złącz spawanych. ves real opportunities for professional development in the field of welding with controlling the parameters of weld structure. These tests have proved that the new micro-jet technology has the potential for growth. It may be great achievement of welding technology in order to increase weld metal strength. The new technology with micro-jet cooling may have many practical applications in many fields, for example such as in the transport industry or to repair damaged metal elements. The advantages of the new device over the traditional system are the ability to control the structure of the weld, the weld mechanical performance increases and improve the quality of welded joints.
Źródło:: Transport Problems; 2013, 8, 2; 47-54
1896-0596
2300-861X
Pojawia się w:: Transport Problems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Stress corrosion cracking of 7020 aluminium alloy jointed by different welding methods
Autorzy:: Dudzik, K.
Powiązania:: https://bibliotekanauki.pl/articles/247592.pdf
Data publikacji:: 2010
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: aluminium alloys
friction stir welding (FSW)
MIG welding
stress corrosion cracking
mechanical properties
slow-strain-rate-testing
Opis:: The results of stress corrosion cracking (SCC) 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 ofsheets 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. Stress corrosion cracking was examined via the slow-strain-rate-testing (SSRT) according to EN ISO 7539-7. The following parameters were measured: time-to-failure - T [h], obtained max. load - F [N]; strain energy (the diagram surface under the stress-elongation curve) - E [MJ/m3]; relative elongation of the specimen — a10 [%]; max. tensile stress — R [MPa] and contraction — Z [%]. The tests were carried out on cylindrical notch-free specimens in the air and 3.5% water solution NaCl. Good resistance to stress corrosion was found of friction stir welded 7020 aluminum alloys. The tested samples cracked during SSRT test in the native material in case of FSW and in the joint in case of MIG. Original value are received results of the stress corrosion resistance of new method friction stir welded AlZn5Mg1 alloy compared with traditional MIG method.
Źródło:: Journal of KONES; 2010, 17, 4; 143-147
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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