Research Article
Year 2018,
Issue: 4, 263 - 270, 04.12.2018
Abstract
References
- Althouse, AD., Turnquist, CH., Bowditch, WA., & Bowditch, KE. (1992) Gas tungsten arc welding, Modern Welding, The Goodheart–Willcox Company Inc, (pp. 327–328) Cary, HB., (1981) 2nd ed. Modern welding technology. (2nd ed). AWS. (pp. 82 – 85). Ceyhun, V., (1992) The Effect of welding parameters on the tensile-shear strength and the formation of intercrystalline corrosion in the spot welding of ferritic and austenitic stainless steels with carbon steel, (Master dissertation) Istanbul Technical University, Institute of Science and Technology of Natural and Applied Sciences. Durgutlu, A., Gulenc, B., & Tulbentci, K., (1999) The effect of welding speed on the microstructure and penetration in arc welding. Turk J Eng Environ Sci. 23, (pp. 251–259) Erdoğan, M., (2000) Structure and Properties of Engineering Alloys, Nobel Academic Publishing Training Consultancy. Ltd. Sti, Ankara Hasanbaşoğlu, A., (2005) The determination of resistance spot weldability of austenitic stainless steel and interstitial free steel, (Master dissertation), Zonguldak Karaelmas University, Karabük Technical Education Faculty. Hicken, GK. (1993) Gas-tungsten arc welding, vol. 6. ASM Handbook. (pp. 190 –193). Hashemi, R. (2014) Analysis of necking in tube hydroforming by means of extended forming limit stress diagram Engineering Solid Mechanics, 2 (pp.73-82) Juang, SC., & Tarng, YS., (2002) Process parameter selection for optimising the weld pool geometry in the tungsten inert gas welding of stainless steel. J Mater Process Technol 122(1), (pp. 33 –37). Korkolis, Y. P., & Kyriakides, S. (2008) Inflation and burst of anisotropic aluminum tubes for hydroforming applications. International Journal of Plasticity, 24(3), (pp.509-543). Kuştutan, G., (2003) An Investigation of effect of cooling rate on the mechanical properties of resistance welded sheets, (Master dissertation) Gazi University, Institute of Science and Technology of Natural and Applied Sciences. Karcı, F., (2008) An effect of cold deformation and heat input in the resistance spot weld quality of aisi 304 stainless steel, (Master dissertation), (Master dissertation), Zonguldak Karaelmas University, Karabük Technical Education Faculty. Modenesi, PJ., Apolinario, ER., & Pereira, IM., (2000) TIG welding withsingle-component fluxes. J Mater Process Technol (pp. 99:260 –265). Minnick, WH., (1996) Gas tungsten arc welding handbook. The Goodheart-Willcox Company. Wang, Q., (1994) Hydromechanical Deep Drawing, New Technol. New Process. (pp. 23-24) Woollin, P., (1994) Development in fusion welding of stainless steels, Welding & Metal Fabrication. Yıldırım, G., (2010) The effect of welding consumable and shielding gas on the TIG arc welding of AISI 321 stainless steel. (Master dissertation) Karabuk University, Institute of Science and Technology of Natural and Applied Sciences.
Year 2018,
Issue: 4, 263 - 270, 04.12.2018
Abstract
Exhaust
gas recirculation tubes were used for this study. To make bellows shape from
TIG (Tungsten Inert Gas) welded extra thin tubes hydraulic forming method is
used in industry. For this study, 0.2 mm thick AISI 321 austenitic sheets were
combined by using micro TIG welding method and 11.80 mm in diameter pipes were
produced. For the TIG welding process of thin sheet tubes shaped by liquid
pressure precise welding parameter adjustment is required. With the micro TIG
arc welding technique, healthy weld seams were obtained in three different
power parameters. The effects of this differences on the mechanical properties
and microstructure of the weld joints were experimentally investigated. The
welding speed was kept constant and three different welding current and voltage
values were selected. The images of the weld zone of the samples were taken by
an optical microscope. The microstructures formed in the weld zone were
examined. Micro hardness values of the base metal, HAZ (Heat Affected Zone) and
weld zone were evaluated. Tensile tests of the samples were carried out for
three different parameters. Strength of welding seams is very important in the
hydroforming process. In order to evaluate the strength of the joint, the
welded tube elastomer expansion test was applied. The effect of the expanding
tube wall on the welded joint was evaluated by the expansion test. As a
consequence of the study, the optimum power parameters of the welded joint was
determined by destructive and non-destructive tests.
Keywords
References
- Althouse, AD., Turnquist, CH., Bowditch, WA., & Bowditch, KE. (1992) Gas tungsten arc welding, Modern Welding, The Goodheart–Willcox Company Inc, (pp. 327–328) Cary, HB., (1981) 2nd ed. Modern welding technology. (2nd ed). AWS. (pp. 82 – 85). Ceyhun, V., (1992) The Effect of welding parameters on the tensile-shear strength and the formation of intercrystalline corrosion in the spot welding of ferritic and austenitic stainless steels with carbon steel, (Master dissertation) Istanbul Technical University, Institute of Science and Technology of Natural and Applied Sciences. Durgutlu, A., Gulenc, B., & Tulbentci, K., (1999) The effect of welding speed on the microstructure and penetration in arc welding. Turk J Eng Environ Sci. 23, (pp. 251–259) Erdoğan, M., (2000) Structure and Properties of Engineering Alloys, Nobel Academic Publishing Training Consultancy. Ltd. Sti, Ankara Hasanbaşoğlu, A., (2005) The determination of resistance spot weldability of austenitic stainless steel and interstitial free steel, (Master dissertation), Zonguldak Karaelmas University, Karabük Technical Education Faculty. Hicken, GK. (1993) Gas-tungsten arc welding, vol. 6. ASM Handbook. (pp. 190 –193). Hashemi, R. (2014) Analysis of necking in tube hydroforming by means of extended forming limit stress diagram Engineering Solid Mechanics, 2 (pp.73-82) Juang, SC., & Tarng, YS., (2002) Process parameter selection for optimising the weld pool geometry in the tungsten inert gas welding of stainless steel. J Mater Process Technol 122(1), (pp. 33 –37). Korkolis, Y. P., & Kyriakides, S. (2008) Inflation and burst of anisotropic aluminum tubes for hydroforming applications. International Journal of Plasticity, 24(3), (pp.509-543). Kuştutan, G., (2003) An Investigation of effect of cooling rate on the mechanical properties of resistance welded sheets, (Master dissertation) Gazi University, Institute of Science and Technology of Natural and Applied Sciences. Karcı, F., (2008) An effect of cold deformation and heat input in the resistance spot weld quality of aisi 304 stainless steel, (Master dissertation), (Master dissertation), Zonguldak Karaelmas University, Karabük Technical Education Faculty. Modenesi, PJ., Apolinario, ER., & Pereira, IM., (2000) TIG welding withsingle-component fluxes. J Mater Process Technol (pp. 99:260 –265). Minnick, WH., (1996) Gas tungsten arc welding handbook. The Goodheart-Willcox Company. Wang, Q., (1994) Hydromechanical Deep Drawing, New Technol. New Process. (pp. 23-24) Woollin, P., (1994) Development in fusion welding of stainless steels, Welding & Metal Fabrication. Yıldırım, G., (2010) The effect of welding consumable and shielding gas on the TIG arc welding of AISI 321 stainless steel. (Master dissertation) Karabuk University, Institute of Science and Technology of Natural and Applied Sciences.
There are 1 citations in total.
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | Articles |
| Authors | |
| Publication Date | December 4, 2018 |
| Published in Issue | Year 2018 Issue: 4 |
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.