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Meeting Materials Science & Technology 2020
Symposium Sintering and Related Powder Processing Science and Technologies
Presentation Title The Effect of Cryogenic Milling and Parameters of Spark Plasma Sintering on Microstructure, Phase Composition and Mechanical Properties of Metastable Beta Titanium Alloy Ti-15Mo
Author(s) Anna Veverkova, Jiří Kozlík, Kristína Bartha, Cinthia Antunes Correa, Tomáš Chráska, Josef Stráský
On-Site Speaker (Planned) Anna Veverkova
Abstract Scope Powder metallurgy is an alternative approach of materials preparation. One of its advantages in titanium alloys is a reduction of costs by near net shape processing. Ball milling is able to reduce grain size of powder particles while spark plasma sintering is a suitable method of compaction due to short times and low temperatures sufficient for material compaction which help to preserve achieved refinement. In this work, a powder of metastable beta titanium alloy Ti-15Mo was cryogenically milled and both initial and milled powder were spark plasma sintered in temperature range 750°C - 850°C for 1 minute to 3 minutes. The effects of milling and sintering parameters on the resulting microstructure and phase composition were studied using SEM and XRD. Microhardness and tensile/compressive tests were performed in order to characterize the mechanical properties. The cryogenic milling causes a decrease of temperature sufficient for material compaction.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Coarsening of Several Ceramic Particle Systems
Electron Microscopy Observation of Electric Field Assisted Sintering of Stainless Steel Nanoparticles
Flash Sintering Solid State Ceramic Electrolytes Using a Novel Multi- electrode Approach
Grain Growth Measurements of Anti-thermal Strontium Titanate with Non-destructive High Energy X-ray Diffraction Microscopy (HEDM)
Novel Low-temperature Copper Sintering Paste for Large-area Die Attachment at 200 ℃ in Nitrogen Atmosphere
On the Bending of High-aspect Ratio Freestanding Aerosol Jet Printed Micropillar Arrays during Thermal Sintering
Reduced Pressure Nanosintering during Environmentally Controlled – Pressure Assisted Sintering
Selective Sintering Technique: Modeling and Experimentation
The Effect of Cryogenic Milling and Parameters of Spark Plasma Sintering on Microstructure, Phase Composition and Mechanical Properties of Metastable Beta Titanium Alloy Ti-15Mo
The Effect of Texturing by Applied Magnetic Field on Grain Growth of Alumina

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