The similar and dissimilar spot welding of 304 and 316L austenitic stainless steels

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dc.contributor.authorTopcu, İsmail
dc.contributor.authorÇınar, Özgür
dc.contributor.authorAlyanakoğlu, Ahmet Erdem
dc.contributor.authorÇetiner, Burcu Nilgün
dc.contributor.authorGüllüoğlu, Arif Nihat
dc.date.accessioned2021-02-21T14:18:39Z
dc.date.available2021-02-21T14:18:39Z
dc.date.issued2019
dc.departmentALKÜ
dc.description.abstractBeing one of the oldest electric welding processes, the resistance spot welding offers practical and time saving applications in the field of joining metals of several manufacturing industries such as automotive, white goods and machinery. Even light weight metals, i.e. aluminum and magnesium has lately been taking attention of researchers and producers, the steels, especially austenitic stainless steels are still being used in wide range of applications due to their combination of excellent corrosion resistance with comparably low price, good machinability, reasonable weldability and good mechanical properties. Spot welding process is controlled by three essential parameters; mechanical (pressure), electric (heat) and electronics (time). In this study, AISI 304 and 316L stainless steel sheets of 1 mm of thickness were used as welding metals. Thus, AISI 304 welding metal couples, AISI 316L welding metal couples and AISI 304 and 316L welding metal couples were selected to ensure a combination of similar and dissimilar metals. Welding procedures were carried out using a current and time controlled electric spot welding machine. To investigate the influence of the parameters (pressure, heat and time) on the welding of the different types of stainless steels and their combination, the parameters were set constant. The current was set to 10,000 A, the pressure was 4 kN and  the duration was 10 seconds for each. After spot welding applications, some of the specimens were cut and prepared for metallographic examination and hardness measurements. The rest of them was shaped for tensile strength measurement using Instron Universal Testing Machine. The hardness of the specimens were observed being altered in the range of 186-240 HV(average) and their tensile shear forces in the scale of 1486-1549 N (average).
dc.description.abstractBeingone of the oldest electric welding processes, the resistance spot weldingoffers practical and time saving applications in the field of joining metals ofseveral manufacturing industries such as automotive, white goods and machinery.Even light weight metals, i.e. aluminum and magnesium has lately been takingattention of researchers and producers, the steels, especially austeniticstainless steels are still being used in wide range of applications due totheir combination of excellent corrosion resistance with comparably low price,good machinability, reasonable weldability and good mechanical properties. Spotwelding process is controlled by three essential parameters; mechanical(pressure), electric (heat) and electronics (time). In this study, AISI 304 and316L stainless steel sheets of 1 mm of thickness were used as welding metals.Thus, AISI 304 welding metal couples, AISI 316L welding metal couples and AISI304 and 316L welding metal couples were selected to ensure a combination ofsimilar and dissimilar metals. Welding procedures were carried out using acurrent and time controlled electric spot welding machine. To investigate theinfluence of the parameters (pressure, heat and time) on the welding of thedifferent types of stainless steels and their combination, the parameters wereset constant. The current was set to 10,000 A, the pressure was 4 kN and  the duration was 10 seconds for each. Afterspot welding applications, some of the specimens were cut and prepared formetallographic examination and hardness measurements. The rest of them wasshaped for tensile strength measurement using Instron Universal TestingMachine. The hardness of the specimens were observed being altered in the rangeof 186-240 HV(average) and their tensile shear forces in the scale of 1486-1549N (average).
dc.identifier.endpage59en_US
dc.identifier.issn2667-7814
dc.identifier.issue2en_US
dc.identifier.startpage55en_US
dc.identifier.urihttps://dergipark.org.tr/tr/download/article-file/626865
dc.identifier.urihttps://hdl.handle.net/20.500.12868/1426
dc.identifier.volume1en_US
dc.language.isotr
dc.publisherAlanya Alaaddin Keykubat Üniversitesi
dc.relation.ispartofALKÜ Fen Bilimleri Dergisi
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Başka Kurum Yazarı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectSpot welding
dc.subjectAISI304
dc.subjectAISI316
dc.subjectSpot Welding
dc.subjectAISI 304
dc.subject316L stainless steels
dc.titleThe similar and dissimilar spot welding of 304 and 316L austenitic stainless steels
dc.title.alternativeThe similar and dissimilar spot welding of 304 and 316L austenitic stainless steels
dc.typeArticle

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2019 - Cilt 1 - Sayı 2