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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Advanced Manufacturing
Presentation Title Tailoring the Mechanical Properties of Additively Manufactured Ti-6Al-4V Alloys by Post Processing
Author(s) Guney Mert Bilgin, Ziya Esen, Seniz Kushan Akin, Arcan Dericioglu
On-Site Speaker (Planned) Guney Mert Bilgin
Abstract Scope Additive manufacturing (AM) is a raising production technology for the applications of Ti-6Al-4V alloy where complex geometrical and unconventional structural designs are required. Selective laser melting is a promising AM technique based on complete melting of Ti-6Al-4V providing near net shaping with relatively high density. However, because of some process drawbacks, like large thermal gradients and short interaction times, segregation and formation of non-equilibrium α' phase become an issue. The resulting α' microstructure has a negative impact on the mechanical properties and leads to poor ductile performance. In this study, various post processing methods such as hot isostatic pressing, thermohydrogen processing and several heat treatments were performed to satisfy the mechanical norms required by the aerospace applications. Tensile and compressive properties were evaluated along with microstructural progress. Finally, initially present α' phase containing microstructure were transformed to a refined microstructure composed of α+β grains and mechanical properties were improved.
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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