The effect of weld geometry and post-weld heat treatment on the corrosion behaviour of austenitic stainless steel immersed in 1.0 M NaCl solution

Oluwole, Oluleke; Omotoyinbo, J.A.; Damilola, Akinwekomi Akeem

doi:10.1590/s1516-14392010000100006

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…The welding process used is SMAW with E7018-low hydrogen electrode at a current of 130A. As suggested by Oluwole et al [10], the samples were set together and held in Gclamps to prevent movement during welding. During welding, the electrode was held at an angle of 45 o C and ran through the edges at a speed of 2mm/sec until there was penetration and development of weld pool to fill the gap.…”

Section: Methodsmentioning

confidence: 99%

Effect of Postweld Heat Treatment on the Mechanical Properties of Weld in a Medium Carbon Steel

Manladan

Onyekpe

2013

AMM

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This paper presents the result of an investigation of the effect of postweld heat treatment on the mechanical properties of weld in 0.36%C medium Carbon Steel. Samples were prepared and welded using Shielded Metal Arc Welding (SMAW) process with a low hydrogen electrode. The welded samples were subjected to postweld heat treatment (stress relief) at four different temperatures: 550°C, 600°C, 650°C and 700°C followed by air-cooling. Microstructural examination was carried out to determine the change in microstructure before and after postweld heat treatment. The mechanical properties of the samples were also tested before and after the heat treatment. It was established that a hard microstructure, susceptible to Hydrogen Induced Cracking (HIC), was formed in the heat affected zone of the as-welded samples and that postweld heat treatment improved the mechanical properties of the weld and substantially reduced or eliminated the risk of HIC.

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Section: Methodsmentioning

confidence: 99%

Effect of Postweld Heat Treatment on the Mechanical Properties of Weld in a Medium Carbon Steel

Manladan

Onyekpe

2013

AMM

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Influence of Rotatory speed and Frictional Pressure on Tensile Strength of Friction Welded Mild Steel/AISI 304 L Joints

Hari Prasath,

Abishek,

Hamshavardhan

et al. 2024

SAE Technical Paper Series

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<div class="section abstract"><div class="htmlview paragraph">Mild steel and AISI 304 L have gained widespread usage across diverse industries, such as naval vessels, boilers, aviation, and automobile sector, due to their ready availability and distinct attributes. Fusion welding techniques have been employed to join this alloy, which is known for its specific qualities. The strength of welded joints is directly proportional to a certain percentage of the strength exhibited by the base materials. However, the welding process becomes intricate when dissimilar steels need to be joined. In such cases, achieving consistent and reliable welding become a challenge. Therefore, meticulous attention is required in the selection of electrodes, filler wires, and other operational parameters, such as current, voltage, and shielding gas. Among the solid-state joining methods, FW (Friction Welding) stands out as an excellent approach to achieving robust joints. This technique ensures strong joint formation. In this study, two pivotal FW parameters viz. rotational speed and friction force were employed to investigate their effects on joint strength. The aim was to optimize these two parameters for achieving higher joint strength, The outcome of this investigation reveals that a rotational speed of 1000 rpm and forging pressure of 35MPa results in successful welding joint. The maximum joint strength of dissimilar joint was found 375 MPa. It could be achieved by the balanced flow of plasticized material at the interface of the joint.</div></div>

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The effect of weld geometry and post-weld heat treatment on the corrosion behaviour of austenitic stainless steel immersed in 1.0 M NaCl solution

Cited by 2 publications

References 3 publications

Effect of Postweld Heat Treatment on the Mechanical Properties of Weld in a Medium Carbon Steel

Effect of Postweld Heat Treatment on the Mechanical Properties of Weld in a Medium Carbon Steel

Influence of Rotatory speed and Frictional Pressure on Tensile Strength of Friction Welded Mild Steel/AISI 304 L Joints

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