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Title: Influence of laser melting on the sulphide inclusions in AISI 416
Authors: Wijesinghe, S.L.
Tan, Y.T.
Ng, G.K.L.
Blackwood, D.J. 
Keywords: Laser welding
Stainless steel
Sulphide inclusions
Issue Date: 2011
Citation: Wijesinghe, S.L.,Tan, Y.T.,Ng, G.K.L.,Blackwood, D.J. (2011). Influence of laser melting on the sulphide inclusions in AISI 416. 18th International Corrosion Congress 2011 3 : 2032-2036. ScholarBank@NUS Repository.
Abstract: AISI 416 is a high sulphur martensitic stainless steel with elliptical shaped sulphide inclusions over 2 μm in length. After laser melting the sulphide inclusions became spherical and reduced in size to below 0.5 μm in diameter. SEM investigations showed that the total number of inclusions increased dramatically and it was calculated that the total volume of sulphur in the stainless steel had not changed during the laser treatment. The pitting potential was increased by over 200 mV with an inverse linear dependency on the average inclusion size.
Source Title: 18th International Corrosion Congress 2011
ISBN: 9781618393630
Appears in Collections:Staff Publications

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