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1
Content available remote Badania właściwości złączy lutospawanych aluminium ze stalą wykonanych przy użyciu spoiw na bazie Al i Zn
Wojdat T., Kustroń P., Lange A., Łącka I.
Przegląd Spawalnictwa
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2017
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R. 89, nr 7
22--25
PL
W artykule przedstawiono problematykę związaną z łączeniem cienkich blach ze stali ocynkowanej, które lutospawano ze stopem aluminium 5754. Złącza wykonano niskoenergetyczną metodą CMT na stanowisku zrobotyzowanym przy użyciu spoiw na bazie aluminium (AlSi5) oraz cynku (ZnAl15). Wyniki badań wizualnych i metalograficznych złączy zakładkowych potwierdzają ich wysoką jakość, bez śladów naruszenia powłoki cynkowej w pobliżu spoiny. Przedstawiono również wyniki wytrzymałości na ścinanie złączy zakładkowych w zależności od rodzaju użytego spoiwa. Wykazano, że użycie spoiwa o niższej temperaturze topnienia umożliwia uzyskanie złączy o większej wytrzymałości mechanicznej.
EN
The problems related to joining thin sheets of galvanized steel with aluminum alloy 5754 was presented in this article. The joints were made by low-energy CMT method at robotized set-up using filler metals on aluminum (AlSi5) and zinc (ZnAl15) matrix. The results of the visual and metallographic tests of overlap joints confirm their high quality, without any evidence of a zinc coating near the weld. The results of the shear strenght of overlap joints are also presented, depending on the type of used filler metals. Finally, the significant effect of the use of lower melting temperature filler metal to obtain joints with higher mechanical strenght was demonstrated.
2
Content available remote Investigation of mechanical properties of MIG-brazed joints of DP600 steel plates using different working angle
Varol F., Özsaraç U., Ferik E., Aslanlar S., Onar V.
Journal of Achievements in Materials and Manufacturing Engineering
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2016
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Vol. 76, nr 1
21--25
EN
Purpose: In this study, DP 600 (Dual Phase) steel plates having 1 mm thickness were joined by copper-based (CuAl8) wire in gas metal arc brazing technique. Specimens were prepared in joining forms as overlap joint. Design/methodology/approach: Brazing operations were done with five different working angles of 45°, 50°, 60°, 70° and 80°. CuAl8 wires composed largely of copper serves as the filler metal were used. Having accomplished the brazing operations; tensile properties of joints were detected, and micro and macro-structures of joints were investigated in order to see the joinability of DP 600 steel by gas metal arc brazing technique.
3
Content available remote Investigation of mechanical properties of MIG-brazed DP600 steel plates using different arc voltage
Varol F., Onar V., Aslanlar S.
Journal of Achievements in Materials and Manufacturing Engineering
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2016
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Vol. 75, nr 2
66--70
EN
Purpose: In this study, the join ability of dual-phase automotive steel sheets by metal inert gas brazing method was aimed. DP 600 (Dual Phase) steel plate shaving 1 mm thickness were joined by copper-based (CuAl8) wire in gas metal arc brazing technique. Design/methodology/approach: Specimens were prepared in butt joint form. Brazing operations were done with nine different Brazing arc voltage of 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5and 14 V. A copper-based CuAl8 wire was used as filler metal. Having accomplished the brazing operations; tensile properties of joints were determined, and micro and macro-structures of joints were investigated in order to see the joinability of DP 600 steel by gas metal arc brazing technique. Originality/value: The tensile strength increased from 10 V to 12 V arc voltage and reached the maximum value as 640 MPa, and then decreased with increasing arc voltage.
4
Content available remote The quality analyze of MIG soldering zinc-coated steel sheets by destructive testing
Vinas J., Kascak L., Abel M., Draganovska D.
Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
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2010
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z. 81 [277]
135-140
EN
In the paper results of metallographic analyses of joints made by MIG brazing on high strength galvanized steel sheets of H 340LAD + Z EN 10292 are presented. The quality of brazed joints made by SG CuAl8 braze with fluctuating welding rectifier CLOOS 303 MC4 was evaluated. Argon 4,80 was used as gaseous shield. Soldering joints quality was evaluated by destructive testing. The bearing capacity joints were evaluated by STN EN ISO 895 and STN EN 1321. Macrostructure and microstructure analyze of joints were realized too.
5
Content available remote The choice factors analysis influencing quality of MIG brazed joints of galvanized steel sheets
Vinas J., Kascak L., Draganovska D., Abel M.
Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
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2008
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z. 73 [253]
299-304
EN
In the paper results of metallographic analyses of joints made by MIG brazing an deep-drawed galvanized steel sheets of DC 05 EN 10152 are presented. The quality of brazed joints made by SG CuSi3 and SG CuAl8 braze with fluctuating welding rectifier CLOOS 303 MC4 was evaluated. Argon 4,80 was used as gaseous shield.
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