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Meeting MS&T22: Materials Science & Technology
Symposium Resisting Degradation from the Environment: A Symposium Honoring Carolyn M. Hansson’s Research and Pioneering Experiences as a Woman in STEM
Presentation Title Corrosion and Biocompatibility of 316L Stainless Steels Fabricated by Selective Laser Melting
Author(s) Erica Perry Murray
On-Site Speaker (Planned) Erica Perry Murray
Abstract Scope Surgical grade stainless steel, 316L was fabricated by selective laser melting at a laser power of 100 W where the laser scan speed was varied from 800 – 1200 mm/s resulting in samples with different microstructural features. Electrochemical impedance spectroscopy was used to characterize the corrosion behavior 316L samples during exposure to simulated body fluid (Locke’s solution) at approximately 37 C over 15 days. The role of microstructure on corrosion of the 316L stainless steel samples in simulated body fluid was evaluated with respect to: pitting initiation and cessation, localized and intergranular corrosion, and passivation and repassivation kinetics. Also, biocompatibility was investigated on samples placed in 2D cultures of bone marrow related stem/stromal cells (MC3T3) to evaluate the toxic response of the 316L SLM samples. Coverage of MC3T3 on 316L surfaces was correlated with electrochemical corrosion data.


Characterization of Internal Oxidation in Alloy 690 and Model Ni Alloys
Correlating Crack Tip pH to Environment Assisted Cracking Performance in Al Alloys
Corrosion and Biocompatibility of 316L Stainless Steels Fabricated by Selective Laser Melting
Corrosion and Environmentally Assisted Cracking (EAC) Evaluation of Additively Manufactured (AM) High Strength Precipitation Hardened Steel (UNS S17400)
Corrosion of Fe-Cr-Mn Stainless Steel in Supercritical Water
Evaluating the Sensitivities of SCC Susceptibility in Stainless-steel Nuclear Waste Storage Containers
Galvanic Corrosion of Active and Passive Steel Bars with Different Area Ratios
Investigation of Crack Initiation in Hydrogen Embrittled Ni-base Alloy 725
Liquid Metal Embrittlement: Cracking Open the Disparate Mechanisms
Oxidation Behavior of Model FeCrAl Steel and APMT Alloy After Exposure in Steam
Quantifying the Environmentally Assisted Cracking Initiation and Short Crack Behavior in New Generation 7xxx Aluminium
Relating Microstructure to Environmental Degradation in Al-Mg Alloys
The Effect of Microstructural Surface States on the Corrosion of Additively Manufactured 316 Stainless Steel

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