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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Advanced Manufacturing
Presentation Title Carbon Based Coatings Deposited on Nitrided Stainless Steel: Study of Thermal Degradation
Author(s) Sonia P Brühl, Eugenia L Dalibon Bähler, Vladimir J Trava-Airoldi, Naureen Ghafoor, Lina Rogström, Magnus Oden
On-Site Speaker (Planned) Sonia P Brühl
Abstract Scope Amorphous hydrogenated carbon (DLC) coatings have a high hardness dependent in the relative amount of sp3/sp2 bondings. They exhibit also an extremely low friction coefficient and are chemically inert. But some applications are limited because adhesion is poor over soft substrates and it is also not stable at high temperatures, degrading into graphite and loosing hardness. In this work DLC coatings were deposited on precipitation hardening stainless steel (PH Corrax) which was plasma nitrided before the coating deposition. The samples were submitted to annealing treatments of an hour duration at different temperatures from 200 C to 600 C, together with a control group, only coated but not nitrided. After each annealing cycle, Raman Spectroscopy, nanoindentation and microscopy were used to check film properties. It was demonstrated that the nitriding pre treatment improved not only adhesion but also the thermal stability of the DLC, slowing degradation and preventing delamination.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)


Carbon Based Coatings Deposited on Nitrided Stainless Steel: Study of Thermal Degradation
Combining CALPHAD-informed Phase-field Modeling with Rapid Solidification Experiments for Prediction of Microstructure Evolution during Laser-based Additive Manufacturing
Comparative Mechanical Analysis between Epoxy Composite Reinforced with Random Short Cuarua Fibers and Aligned Long Curaua Fibers
Conceptual-Functional Model of Drilling Electrochemical Discharge Machining
Damage Evaluation of Impact by Low-speed on Fiberglass Composite with Laminates Aluminum 2024-T3
Deep Drilling in Soda-lime Glass Using Air Jet Assisted Electrochemical Discharge Machining (ECDM)
Effect of Tool Rotation on Tool Wear Phenomenon in Rotary Tool micro-USM
Finite Element Modelling of Current-activated, Pressure-assisted Densification (CAPAD): The Role of Materials Properties and Geometry on Thermal Gradients
Green Machining Process: Near-dry Electric Discharge Machining
Mechanisms and Influence of In-situ Pre-heating during Friction Welding
Microstructure-processing-property Relationships in Nanocrystalline Ceramics Produced Using Current-activated, Pressure-assisted Densification (CAPAD)
Numerical Modeling of High-Velocity Impact Welding
PAN-12: Influence of Dendritic Morphology on the Strain Field of Dendritic Solidification Structures
PAN-13: Microhardness Assessment of 316L Stainless Steel Fabricated by Laser Engineered Net Shaping
Reducing Radiation Exposure to the Rectum during Prostate Cancer Radiation Therapy using NiTi Shape Memory Alloy
Selective Laser Sintering of Polyamide/Hydroxyapatite Scaffolds
Sintering of Anisotropic Porous Microstructures
Tailoring the Mechanical Properties of Additively Manufactured Ti-6Al-4V Alloys by Post Processing

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