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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Recent Developments in Biological, Structural and Functional Thin Films and Coatings
Presentation Title On the Boronizing Response of NiCrMo Alloys in Use for Wear and Corrosive Service
Author(s) Manuel P Marya, Virendra Singh
On-Site Speaker (Planned) Manuel P Marya
Abstract Scope Boronizing is the process of thermal adsorption and diffusion of atomic boron into a suitable metallic substrate to form spall-free metal boride(s) with elevated hardness and improved environmental resistance. Boronizing is common for ferrous alloys and infrequent for NiCrMo alloys. Unlike nitriding, boronizing is typically achieved at temperatures requiring parts to be post-heat treated, a characteristic that sometimes imposes part recertification needs to ascertain requirements. Alternatively, to better address NiCrMo alloy applications, boronizing needs to be made available up to alloy aging temperatures and still guarantee minimal requirements (e.g., >1500 HVN surface, >25 micronmeters case depth). In this investigation, five NiCrMo alloys (e.g., 935, 925, 718, 945, 625+) characterized by various nickel contents were selected and boronized using three distinct temperature schedules. Through this investigation, all NiCrMo test samples were evaluated using optical and scanning electron-microscopy, micro and nano-indentation, X-ray diffraction, and transmission-electron microscopy to develop a suitable boronizing process.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Comparing Two Steel Surface Treatments on the Bonding of Chitosan and the Resulting Corrosion Protection
Effect of Post-Heat Treatment on the Electrochemical Performance of Sandwich Structured Cu/Sn/Cu Electrode
F-1: Block Copolymers as Phase Change Materials for Mitigating Heat Spikes in Handheld Consumer Electronics
F-2: Effects of Aminopropyltriethoxysilane Percentages on Surface Chemistry and Coating Adhesion of Chitosan Bonded to Steel
F-3: Effects of Solvent on the Surface Chemistry of APTES Deposition and Coating Adhesion of Chitosan Bonded to Steel
F-4: Low Emissive Properties of Amorphous Oxides/Ag/Amorphous Oxides Multilayer for Energy Conservation
Grain Boundary Segregation Effects on Post-Coalescence Thin Film Growth
Harvesting Light from Crystalline-Silicon via Processing Of Stressed Interface with Sol-Gel Based Silica
Improving Electrochemical Performance of LiNi0.5Mn1.5O4 by MnO2 Top Coat
Influence of Interfacial Structure on the Phase Stability and Growth Stress in Cu/Nb Multilayered Films
Iron Oxide Nanoparticles - Biomedical Applications
Magnetic Field Assisted Assembly Machine
Modelling Optical Properties of Black Silicon
On the Boronizing Response of NiCrMo Alloys in Use for Wear and Corrosive Service
Optimizing Coating Growth by Gas Jet Assisted Physical Vapor Deposition Using Through-process Simulations
Role of Membrane Properties on Charge Transport across Conjugated Oligoelectrolyte Modified Phospholipid Bilayers
Surface Functionalization of Titanium Substrates for Improving Osteointegration
Surface Functionalization of Titanium Surfaces to Design Innovative Hybrid and Biocompatible Materials
The Investigation on the Intermetallic Layer of Hot-dipping Al-10Si Alloy with 22MnB5 and DC51 Substrate
The Wetting Behavior of Fe-Si and Fe-Mn Alloy with Al-10%Si Coating
Thermally-Assisted Interfacial Diffusion in High Phosphorous Nickel Plating on a 4140 Low-alloy Steel
Thin Films and Coatings for Absorptive Removal of Antimicrobials, Antibiotics, and Other Pharmaceuticals

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