The large voids and unwelded zones up to approximately 1 mm by length are observed by macro-structure inspections.
Aziz Barış Başyiğit, Adem Kurt 2017, 'Investigation of the Weld Properties of Dissimilar S32205 Duplex Stainless Steel withAISI 304 Steel Joints Produced by Arc Stud Welding', Metalshttp://www.mdpi.com/2075-4701/7/3/77. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)