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GMAW Process Parameter Optimization to Reduce Porosity Defect in a Longitudinal Seam Welding of Pressure Vessels

SAE International Journal of Materials and Manufacturing

Amrita Vishwa Vidyapeetham, India-A. Kuppusamy, K. Rameshkumar, A. Sumesh
ELGI Equipment Limited, India-S. Premkumar
  • Journal Article
  • 05-13-01-0005
Published 2019-12-02 by SAE International in United States
Pressure vessels are critical equipment used in industries for storing liquids or gases at a pressure significantly different from ambient conditions. Porosity is one of the major weld defects in pressure vessels that leads to failure during inspection and as well as during its service. Gas Metal Arc Welding (GMAW) process is widely used in industries to fabricate pressure vessels using carbon steel “IS 2062 E250BR” material for storing compressed air. The main objective of this article is to reduce the porosity defect in the longitudinal seam (LS) welding of the pressure vessels. Detailed analysis is carried out to identify the parameters which are influencing the porosity defect. Central Composite Design (CCD) and Response Surface Methodology (RSM) approaches are used to find the optimum value of the weld parameters which produce weld without porosity or any major defects in the pressure vessel. An experimental setup has been established and welding experiments have been conducted under a controlled environment. Experiments were conducted without any external disturbances ensuring clean weld surface and filler wire without any moisture,…
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Steel, Corrosion and Heat-Resistant, Welding Wire 15Cr - 25.5Ni - 1.3Mo - 2.2Ti - 0.006B - 0.30V

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5804H
  • Current
Published 2019-11-12 by SAE International in United States
This specification covers a corrosion and heat-resistant steel in the form of welding wire.
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Steel, Corrosion and Heat Resistant, Welding Wire 9.0Mn - 20Cr - 6.2Ni - 0.20N

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5818C
  • Current
Published 2019-11-12 by SAE International in United States
This specification covers a corrosion and heat resistant steel in the form of welding wire.
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Nickel-Iron Alloy, Corrosion and Heat-Resistant, Welding Wire 12.5Cr - 42.5Ni - 6.0Mo - 2.7Ti - 0.015B - 35Fe

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5830C
  • Current
Published 2019-11-12 by SAE International in United States
This specification covers a corrosion and heat-resistant nickel-iron alloy in the form of welding wire.
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Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 60Ni - 22Cr - 2.0Mo - 14W - 0.35Al - 0.03La Solution Heat Treated

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5891C
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging, flash welded rings, or heading.
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Titanium Alloy Bars, Forgings, and Rings 6Al - 4V Extra Low Interstitial (ELI) Duplex Annealed, Fracture Toughness

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4931G
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a titanium alloy in the form of bars 6.000 inches (152.40 mm) and under in nominal diameter or least distance between parallel sides, forgings and flash welded rings 6.000 inches (152.40 mm) and under in thickness, and stock for forging and stock for flash welded rings of any size.
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Titanium Alloy Welding Wire 5Al - 2.5Sn

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4953H
  • Current
Published 2019-11-05 by SAE International in United States
This specification covers a titanium alloy in the form of welding wire.
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STRSW (Squeeze Type Resistance Spot Welding) Equipment Acceptance Criteria for the Collision Repair Industry

Motor Vehicle Council
  • Ground Vehicle Standard
  • J2667_201910
  • Current
Published 2019-10-28 by SAE International in United States
This SAE Recommended Practice provides a minimum standard for evaluating squeeze-type resistance spot welding (STRSW) equipment and minimum weld performance criteria for two-sided automotive collision repair welding. This document contains several standardized test methods that are designed for evaluating equipment performance in a laboratory environment.
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OEM Plastic Parts Repair

Motor Vehicle Council
  • Ground Vehicle Standard
  • J1573_201910
  • Current
Published 2019-10-24 by SAE International in United States
This SAE Recommended Practice defines the information required to repair the various types of plastics found on modern light-duty highway vehicles. Information is included for the repair and refinishing of most plastic body parts, both interior and exterior. Repair information is described for all commonly used plastics including, but not limited to, polyurethanes, polycarbonate blends, modified polypropylenes, polyethylenes and nylons. Repairs can be made to these types of plastics using two-part (2K) repair adhesives, plastic welding, and other materials available from body shop suppliers. When a new type of plastic is being introduced to the market through a new vehicle program, specific repair and refinishing procedures should be provided, following the format in this document. Sheet-molded compounds (SMC), fiber-reinforced plastics (FRP) and carbon fiber reinforced plastics can also be repaired using slightly different procedures and repair materials.
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Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 72Ni - 15.5Cr - 0.95Cb - 2.5Ti - 0.70Al - 7.0Fe Consumable Electrode or Vacuum Induction Melted 1800 °F (982 °C) Solution Heat Treated, Precipitation Hardenable

AMS F Corrosion Heat Resistant Alloys Committee
  • Aerospace Material Specification
  • AMS5671H
  • Current
Published 2019-10-16 by SAE International in United States
This specification covers a corrosion and heat-resistant nickel alloy in the form of bars up to 4.00 inches (101.6 mm) exclusive in nominal diameter or thickness, forgings 4.00 inches (101.6 mm) exclusive in nominal thickness, flash welded rings up to 4.00 inches (101.6 mm) exclusive in nominal radial thickness, and stock of any size for forging or flash welded rings (see 8.6).
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