Simulating and Understanding Localised Corrosion of Additive Manufactured Stainless Steels

SIMULATING AND UNDERSTANDING LOCALISED CORROSION OF ADDITIVE
MANUFACTURED STAINLESS STEELS UNDER SIMULATED PIPELINE
MECHANICAL, CORROSION AND EROSION CONDITIONS
Progress Report

Table of Contents
1. Introduction.................................................................................................................................2
2. Project Progress...........................................................................................................................2
3. Conclusion....................................................................................................................................4
4. References....................................................................................................................................5
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1. Introduction
Most of the electro-analytical experiments are conducted using special electronic hardware called
potentiostat (JIHWAN LEE, 2017) (Katano, 2012). Three electrodes will be used. There will be a
reference electrode. With respect to the reference electrode, working electrode will respond. The
result will be based on various conditions which will prevail. The auxiliary electrode will be used to
keep the potential of the electrode. The current of the auxiliary electrode will be changed for this
purpose. This device is used for controlling as well as measuring (Katano, 2012).
Here the experiment is conducted with NaCl solution with SLM mounted in Epoxy. The experiment is
conducted in two directions. One is in 45 degrees and another one is at 90 degrees. This report gives
the progress of the experiment.
2. Project Progress
1-Experimental method
1-1- Material & SLM processing
The 316L stainless steel powder which is gas atomized being commercially available which
has an average particle size of 5-40 μm and this is being used in SLM processing as starting
material. The process of SLM has to be performed through a machine (SLM Solution
125 HL). In the production of specimens, a completely different set of SLM data processing
parameters have been used, as summarized in Table 1. The SLM process was
conducted under an argon atmosphere to prevent specimens from
being oxidized during the process. The whole process of SLM takes
place in an argon atmosphere in order to stop the oxidation of the
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