Optimization of welding parameters and study on mechanical and pitting corrosion behavior of dissimilar stainless steel GTA welds

Peethala, Anil Kumar; D, Balaji Naik; K, Srinivasa Rao.; Rambabu, G

doi:10.1016/j.cdc.2022.100978

Cited by 4 publications

(5 citation statements)

References 3 publications

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“…The interface part of the mild steel/stainless steel sheet melts the melting range of the Chromium (Cr) material which affects the strength of the weld joint, where less Chromium (Cr) is trapped, causing the joint strength to increase. From the resulting weld ties, it is important to know the structure of the transition zone and adjacent areas [14].…”

Section: Discussion Of the Effect Of Surface Roughness On Nugget Diam...mentioning

confidence: 99%

“…Selection of optimum conditions larger is batter using minitab software, with the following equation [37]. To determine the influence of surface roughness parameters using the statistical method analysis of variance (ANOVA) [14]. The welding joint used is resistance spot welding Specimens were prepared for tests (shear load and SEM EDS) with different dimensions.…”

Section: Methodsmentioning

confidence: 99%

“…To solve this problem in order to improve quality, several researchers have made efforts to improve quality, including: according to researchers [13] conducting of ice by ultrasonic immersion method with the intensity and amplitude of the resulting defective wave reaction and its effect on yield. Next, in other research [14] using the potentiodynamic polarization test in a 3.5 % NaCl environment, then measured the potential of base metal holes, heat-affected zones (HAZ) and fusion zones. In research [6] investigate the effect of weld parameters such as weld time, weld current, weld stress on weld strength.…”

Section: Introductionmentioning

confidence: 99%

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Optimization of resistance spot welding with surface roughness dissimilar mild steel with stainless steel

Ariyanto,

Sukardin,

Renreng

et al. 2023

EEJET

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Resistance spot welding plays a critical role in the manufacture dissimilar material industry. However, there are differences in mechanical properties between mild steel and satinless steel so as to reduce the quality of welded joints. In order for differences in mechanical properties to be corrected, surface roughness was treated. The aim of this study was to optimize the welding parameters of DRSW with surface roughness by analysis using the Taguchi and Anova Methods. In this study discusses about investigates the Resistance spot welding parameters on weld geometry, mechanical properties, and SEM EDS on dissimilar materials of mild steel and stainless steel. The material thickness of the mild steel and stainless steel are 1 mm, respectively. The process parameters of the resistance spot welding joint used, example; surface roughness, current, welding time, and electrode force. Quality welding joint test results include weld geometry, mechanical properties, and SEM EDS. Weld geometry testing to determine the weld nugget profile. The mechanical properties test was shear tensile test, while the SEM EDS included macrostruture and microstructure observations. The results showed the highest nugget diameter 6.65 mm highest shear tensile strength 7.66 kN. The most influential parameter is current by 75.08 %, then surface roughness by 12.35 %. The highest tensile strength has fewer defects. Surface roughness treatment before welding is very good to make welding quality joints between mild steel and quality stainless steel increase. Surface roughness treatment was very good to be included when making welding procedures for welding engineers for welding processes resistance spot welding dissimilar mild steel with stainless steel.

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Section: Discussion Of the Effect Of Surface Roughness On Nugget Diam...mentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optimization of resistance spot welding with surface roughness dissimilar mild steel with stainless steel

Ariyanto,

Sukardin,

Renreng

et al. 2023

EEJET

View full text Add to dashboard Cite

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“…The heat input promotes grain growth, generating the appearance of coarse grains, as well as, in ferritic/pearlitic structural steels the formation of martensitic and bainitic phases. Thus, the HAZ typically has the highest hardness, lowest ductility, and lowest corrosion resistance 24,[38][39][40] . As shown in Fig.…”

Section: Electrochemical Analysismentioning

confidence: 99%

“…Polarization curves were recorded using a Gamry Reference 600 potentiostat. The measurements were made according to ISO 17475 38 . An electrochemical pen (EC-Pen -IPS Elektroniklabor GmbH & Co. KG) was used, composed of a platinum counter electrode and a reference electrode (Ag/AgCl electrode)(1 M KCl).…”

Section: Electrochemical Testsmentioning

confidence: 99%

Corrosion behavior of austenitic stainless steel and nickel-based welded joints in underwater wet welding

Vaccari,

Scheithauer,

Lendiel

et al. 2024

npj Mater Degrad

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Marine structures such as ports, bridges, pipelines, vessels, and platforms are an essential part of modern infrastructure, where the use of higher-strength steel provides savings in logistics and construction. However, the repair of higher-strength steels can be challenging, especially underwater. Wet shielded metal arc welding is the most widely used and least expensive method for underwater welding repairs, but is very susceptible to hydrogen-induced cracking. Thus, researchers and welding engineers aim to reduce the amount of hydrogen in the weld material. Recent success has been achieved through the use of austenitic welding consumables, such as austenitic stainless steel and nickel-based electrodes. The use of these consumables drastically reduces the amount of diffusible hydrogen in the weld metal. However, these austenitic materials usually have different corrosion potential as compared to the structural steel the weld beads are applied to. This creates the risk of severe galvanic corrosion. In the presented study, the corrosion behavior of welds created with austenitic stainless steel and nickel-based electrodes were studied. Samples were aged for 1.5 years in the Baltic Sea. Simultaneously, the effectiveness of corrosion protection systems such as coating and Impressed Current Cathodic Protection (ICCP) were evaluated. Localized corrosion occurred in the heat-affected zone when austenitic electrodes were used in the corrosive environment. The localized corrosion depth after 1.5 years in the Baltic Sea and in the salt spray layer was approximately 250 µm and 390 µm, respectively. The ICCP system and the use of a coating were effective in preventing localized corrosion. The low pitting corrosion density of 2.5 × 103 m−2 corresponds to grade A1 according to the standard and was found to be negligible as compared to the localized corrosion in the heat-affect zone.

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Effect of microstructure on initial corrosion behavior of T92/HR3C dissimilar metal welded joint

Si,

Wang,

Wang

et al. 2023

J Mater Sci

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Optimization of welding parameters and study on mechanical and pitting corrosion behavior of dissimilar stainless steel GTA welds

Cited by 4 publications

References 3 publications

Optimization of resistance spot welding with surface roughness dissimilar mild steel with stainless steel

Optimization of resistance spot welding with surface roughness dissimilar mild steel with stainless steel

Corrosion behavior of austenitic stainless steel and nickel-based welded joints in underwater wet welding

Effect of microstructure on initial corrosion behavior of T92/HR3C dissimilar metal welded joint

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