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Korrosion vid svetsfogning med hjälp av transient smältfasteknik
KTH, School of Chemical Science and Engineering (CHE).
2015 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Corrosion behaviour of bonded steel bars by means of transient liquid phase bonding technique (English)
Abstract [en]

In many areas of engineering industries there are necessary to bond steel, where traditional bonding processes such as welding and brazing are neither efficient enough nor possible. Alternative technique is transient liquid phase bonding (TLPB). In this study, carbon steel (IRAM 1010/1040) have been welded using transient liquid phase bonding method with Fe-B amorphous as filling material. The joints were performed by induction heating with argon flux, set pressure and different temperature and bonding times. The welded bars were then analysed using optical and scanning electronic microscopy (SEM).


The bars with good microstructures and optimal parameters were then tested with galvanostatic corrosion test against each other and non-welded bar to study the corrosion behaviours.  The study shows that the IRAM 1010 steel corroded slightly faster than the IRAM 1040 but comparing with the non-welded bars, still consider having good corrosion resistance.


In this study, TLP bonding shows to be a relevant method to weld low and medium carbon steel, regarding to the microstructure of the weld, corrosion behaviour, bonding time and temperature.   

Place, publisher, year, edition, pages
2015. , 49 p.
Keyword [en]
TLP, bonding, welding, corrosion, carbon steel
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-172204OAI: diva2:846108
Available from: 2015-09-10 Created: 2015-08-14 Last updated: 2015-09-10Bibliographically approved

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