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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Material Design Approaches and Experiences IV
Presentation Title Design of Wear Resistant Boron-modified Supermartensitic Stainless Steel by Spray Forming Process
Author(s) Guilherme Zepon, Ricardo Nogueira, Claudio Shyinti Kiminami, Walter JosÚ Botta, Claudemiro Bolfarini
On-Site Speaker (Planned) Guilherme Zepon
Abstract Scope This paper presents the development of functionalized supermartensitic stainless steel with higher wear resistance when compared to conventional stainless steels without losing the corrosion resistance. The wear resistance was increased by the combination of two factors: (i) Adding boron contents (from 0.3 to 0.7%wt.), which leads to formation of hard M2B-type borides and; (ii) processing by spray forming which generates a material with high chemical and microstructural homogeneity. The solidification features of the spray forming process allows the formation of a continuous network of M2B borides uniformly distributed around refined (from 10 to 25 Ám) equiaxed martensitic grains. Different wear tests were performed to show the increasing of wear resistance independent of the wear mechanism present in the tribosystem. Furthermore, electrochemical tests such as dynamic polarization, electrochemical impedance spectroscopy and electrochemical noise were performed to evaluate the corrosion behavior of the boron modified alloys and comparing to commercial stainless steel.
Proceedings Inclusion? Planned: TMS Journal: JOM

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

1-GPa-grade Ultra-high-strength (Ferrite + Austenite) Duplex Lightweight Steels Achieved by Fine Dislocation Substructures (Taylor Lattices)
A Novel Computational Tool Linking Microstructure and Properties for Thermomechanical Processes
A Quantitative Description of Hierarchical Microstructure for Materials Engineering Design
Alloy Design and Development: From Classical Thermodynamics to CALPHAD and ICME Approaches
Alloy Design for Promoting Creep Resistance of Austenitic Cast Steels for Exhaust Component Applications
Alloying Effects on Oxidation Mechanisms in Polycrystalline Co-Ni-Al-W-Ta Base Superalloys
Application-specific R&D Pathway to Higher-Temperature Gamma (TiAl) Alloy Materials and Processes
Combinatorial Approach for Precipitation Strengthening Alloy Design
Computational Thermodynamic Facilitate Solution Heat Treatment Design for Aluminum and Magnesium Alloys
Decision Support Strategies in Design of Hierarchical Alloy Systems
Design and Development of Cast Alumina-forming Austenitic Stainless Steels
Design Approaches Using TCP Sigma Phase as a Promising Strengthener in Austenitic Heat Resistant Steels
Design of High Strength Lightweight Steels with High Work Hardening Rate
Design of Wear Resistant Boron-modified Supermartensitic Stainless Steel by Spray Forming Process
Designing Nano-engineered Steels, Atom by Atom
Development of a New Alloy Family - High Performance Ferrite
Development of Advanced Cast Aluminum Alloys for Automotive Engine Applications
Development of γ’ Strengthened Co-Base Superalloys - Phase Stability and Applications
Effect of Annealing Temperature on Microstructural Modification and Tensile Properties in Lean Fe-Mn-Al-C Lightweight Steels
Evolution Law of Grain Size of High Alloy Gear Steel in Hot Deformation
Experimental Investigation of the Sm-rich Side in Sm-Zr System
Flash Processing of Steels: Alternative Pathway to Develop Advanced High Strength Steels for Automotive Applications
Further Developments of CALPHAD Based Tools for Alloy Design
High Temperature Statistical Mechanics to Enable Alloy Design
Hydrogen Embrittlement Susceptibility in Tension and Fatigue of Austenitic Stainless Steels
ICME Design and Implementation of Recycled Cast Aluminum Alloys for Marine and Other Demanding Applications
Integrated Computational Materials Engineering for Precipitation Modeling of Multi-Component Alloys
Interface Materials Design of Nanoscale Multi-layered Composite Materials and Its Mechanical Properties
Multi-scale Simulation towards the Understanding of the Microstructure Evolution and Fracture Behavior in Titanium Alloys
Precipitate Phase Stability in High Nb Containing Ni-base Superalloys
Progress in Polycrystalline Co/Ni Superalloys
Stability of Carbides in Advanced Polycrystalline Ni-base Superalloys
TiAl Alloy Design : Principles, Processing, Properties, and Applications

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