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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Late News Posters
Presentation Title PP-41: The Influence of Processing Parameters on Aluminium Alloy A357 Manufactured by Selective Laser Melting
Author(s) Heng Rao, Stéphanie Giet, Chris Huw John Davies, Xinhua Wu
On-Site Speaker (Planned) Heng Rao
Abstract Scope Since conventional casting and Selective Laser Melting (SLM) are two completely different techniques, the aim of this work is to investigate the effects of SLM on the microstructure and properties of A357 aluminium casting alloys. The SLM processing parameters were optimised to achieve maximum density and tensile properties, corresponding to an extremely fine microstructure with very few pores. The microstructure is about ten times finer after SLM than after casting. This translates to differences in mechanical properties. Substrate temperature and the combination of laser parameters influence the mechanical properties via changes in thermal history and molten pool characteristics. Fractographic studies have been performed to understand mechanical property anisotropy by comparing fracture surfaces of tensile samples built either in vertical or horizontal orientations. As a result, we explain the anisotropy in relation to the directionality by the difference in the underline microstructural features.
Proceedings Inclusion? Undecided


PP-10: Dispersion of Carbon Nanotubes in Aluminum Improves Radiation Resistance
PP-11: Dissimilar Metal Casting
PP-12: Effect of Boron Addition on High Manganese Steel
PP-13: Effects of Microstructure and Mechnical Properties of High Strength Alumiunm Alloy Billet & Slab on Low Frequency Electromagnetic Casting
PP-14: Electrochemical Studies of Inert Anodes for the CaCl2-CaO Melts Deoxidation
PP-15: Electrodeposited Tin-Antimony-Copper Alloy Negative Electrode for Lithium Ion Batteries
PP-16: End Product Defects in Direct-Chill Casted Hot Rolling Slabs and Melt Treatment
PP-17: Fabrication of a Functionally Graded Tungsten-Steel Laminate Plasma-Facing Material
PP-18: High Temperature in Caustic Pretreatment of Gold Locked in the Residue after Filtration from Gold Cyanidation Leaching
PP-19: Influence of Thallium Oxide on Formation of Stable Phase of Mullite
PP-1: A Monte Carlo Approach for Efficient Inclusion of Interface and Grain Boundary Scattering in the Prediction of Effective Thermal Conductivity
PP-20: Investigation of Phase Stability and Grain Growth in Nanostructured 316L Stainless Steel Produced by High-energy Mechanical Milling at Cryogenic Temperature
PP-21: Investigation of Phase Transformation and Phase Stability of Stainless Steels as a Function of Milling Time and Annealing Temperature
PP-22: Long-period Martensitic Phases in Co-Al System
PP-23: Modified Rayleigh Plateau Distribution of Dewet Metal Nanoparticles by Varied Solid-Liquid-Vapor and Solid-Liquid-Solid Interactions
PP-24: Optimization of Welding Techniques on Accident Tolerant Alloys for Nuclear Reactor Applications
PP-25: Oxidation-Induced Ferromagnetism in Nickel Gas Turbine Blades
PP-26: Phonon Wave-packet Simulations for the Prediction of Thermal Boundary Conductance
PP-27: Rapid Solidification Microstructures in Light Metal Alloys Produced by Melt Spinning
PP-28: Reduction Behavior of Carbon Composite Iron Ore Briquette
PP-29: Role of Alloying Elements on Thermal Stability of Duplex Stainless Steel
PP-2: A Novel Approach to Synthesize Cu-Ni-Al Thin Films by Electrodeposition with Potential Shape Memory Properties
PP-30: Role of Chemical Dispersion and Functionalization on Mechanical Properties in Carbon Nanotube-Polymer Composites
PP-30: Synthesis of Functionally Graded (Cu, Cu-SiC) Nanocomposite Coating on Copper Substrate by Pulse Electrodeposition
PP-31: Role of Negative Strain Rate Sensitivity(NSRS) in Failure of Aluminum Alloy 2024: Experiments and Constitutive Modeling
PP-32: Role of Stoichiometry on Ordering in Ni-Cr Alloys
PP-33: Scandium Extraction from Nickel Processing Waste with Cyanex 923 in Sulphuric Media
PP-34: Simulation of Natural Gas Pipeline Structure in Response to External Loads: Finite Element Analysis
PP-35: Size Dependent Thermal Conductivity of Single-Wall Carbon Nanotubes from Molecular Dynamics Simulations
PP-36: Statistics of High Purity Nb Properties for SRF Cavities
PP-37: Study of Powder Metallurgy on Low Melting Temperature Al Alloys for Brazing by Gas Atomizer Process
PP-38: Synthesis of Creep Resistant Pulse Electrodeposited Sn-Cu-Y2O3 Lead Free Nanocomposite Solder
PP-3: A Systematic First-principles Study of Diffusion Mechanisms in 26 Dilute Ni-X Alloy Systems
PP-40: The Effects of Heat Treatments on Microstructure and Mechanical Properties of Blade Steel
PP-41: The Influence of Processing Parameters on Aluminium Alloy A357 Manufactured by Selective Laser Melting
PP-42:Thermal Diffusivity for Cu-based Composite Materials Using the Cu-RGO Flake
PP-43: Thermal Diffusivity & Conductivity Measurement of Very Thin and Highly Conductive Materials by the Laser Flash Technique
PP-44: Thermal Phosphorus Recovery from Sewage Sludge
PP-45: Thermodynamic Interpretation of Ti, Re and V Precipitates in Dilute Tungsten Alloys from First Principles Calculations
PP-46: Thermomechanics of Nanostructured II-VI Semiconductors
PP-47: Towards Engineering the Electronic Structure of Lightweight Structural Alloys
PP-48: Ultrathin Tantalum Based High-density Power Capacitors with Low Leakage and High Operating Frequency
PP-49: Understanding Laser-Matter Interactions: An Integrated Approach for Laser Welding Characterization and Optimization
PP-4: Antimony Volatilization by Chloridizing Roasting
PP-50: Additive Manufacturing and Architected Materials
PP-51: Wear Behavior in Lubricant Environment of Chopped Fiber Reinforced C/C Composite Fabricated in Activated Carbon Bed
PP-52: China ENFI: Turn a Stone of Resource into a Gem of Fortune
PP-53: Investigation of Microstructural Variation on Yield Strength of X-70M Spiral Welded Line Pipe Steel
PP-55: Discovery/Invention of Superdielectric Materials
PP-56: Carbon Fibers from Sustainable Biomass for Energy Applications
PP-57: Effectiveness of Single and Composited Stabilizers on Enhancing Stability of Multiple Metals in Mine Soil
PP-58: Fabrication of Bulk Nanostructured Materials in Ti-Al-Ni System By Mechanical Alloying and Shock-Wave Consolidation
PP-5: Characterization and Optimization of Bulk Ni-Fe Spinels for Solid Oxide Fuel Cell Applications
PP-60: Simulation of Molten Sn-3.0Ag-0.5Cu Wetting on cylindrical and V-shaped Substrates
PP-61: Simulation Study on Wettability of Sn–3.5Ag on the Inclined Cu Substrate
PP-62: Towards Engineering the Electronic Structure of Lightweight Structural Alloys
PP-63: Crystallization Kinetics of K2O and Li2O Modified Na2O-P2O5 Glasses as Solid Electrolyte
PP-6: Characterization of Oxide Structure of Sr-modified Al-Si Alloys
PP-7: Compressive Behavior and Modeling of Ti Foams Processed by Freeze-casting
PP-8: Copper Extraction from Sulfate-chloride Media using Ketoxime and Salicylaldoxime Extractants
PP-9: Direct Comparison between High Temperature Nanoindentation Creep and Uniaxial Creep Measurements

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