Synthesis of titanium-based powders from machining waste by using the hydrogenation-dehydrogenation method
by
 
Çuhadaroğlu, Zeynep, author.

Title
Synthesis of titanium-based powders from machining waste by using the hydrogenation-dehydrogenation method

Author
Çuhadaroğlu, Zeynep, author.

Personal Author
Çuhadaroğlu, Zeynep, author.

Physical Description
xi, 68 leaves: charts;+ 1 computer laser optical disc

Abstract
Sustainability and recycling activities have gained importance in almost every field all over the world. Many studies are conducted to recycle titanium and titanium alloys owing to their outstanding properties like low density, biocompatibility, corrosion resistance, and high strength-to-weight ratio. Although they offer superior properties, their usage is limited due to their high production cost and potential to generate waste, and therefore, recycling activities in this area should be expanded using an appropriate method. Cold hearth melting, vacuum arc re-melting, and hydrogenation and dehydrogenation process are widely used for recycling titanium scraps in industry. Among them, the hydrogenation and dehydrogenation (HDH) process has a significant environmental and economic impact. In this thesis, titanium powders were synthesized from additive manufacturing turnings. Ti-6Al-2Sn-4Zr-6Mo turnings were used as starting materials on which HDH characteristics were not investigated in the literature. Both hydrogenation and dehydrogenation parameters were studied to reach optimum conditions. Our results revealed that hydrogenation was accomplished at 500 °C for 120 minutes with 5 °C/minute heating rate. The optimum dehydrogenation condition was found at 600 °C for 90 minutes. Ti-6Al-2Sn-4Zr-6Mo powder with average 56 μm particle size was synthesized; however, hydrogen and oxygen concentrations in the powder were not at the desired level and non-spherical shaped powders were produced end of the process.

Subject Term
Metallurgical analysis
 
Titanium

Added Author
Genç, Aziz,
 
Gökelma, Mertol,

Added Corporate Author
İzmir Institute of Technology. Materials Science and Engineering.

Added Uniform Title
Thesis (Master)--İzmir Institute of Technology:Materials Science and Engineering.
 
İzmir Institute of Technology: Materials Science and Engineering--Thesis (Master).

Electronic Access
Access to Electronic Versiyon.


LibraryMaterial TypeItem BarcodeShelf NumberStatus
IYTE LibraryThesisT002549TN565 .C96 2022Tez Koleksiyonu
IYTE LibrarySupplementary CD-ROMROM3683TN565 .C96 2022 EK.1Tez Koleksiyonu