ORAL

SESSION: AdvancedMaterialsWedAM-R7	Marquis International Symposium on New and Advanced Materials and Technologies for Energy, Environment and Sustainable Development(3rd Intl Symp. on New and Advanced Materials and Technologies for Energy, Environment and Sustainable Development)
Wed Oct, 25 2017	Room: Condesa IB
Session Chairs: Amr Henni; William Proud; Session Monitor: TBA

15:00: [AdvancedMaterialsWedAM06] Invited
Lightweight Ti,Nb-Al-C MAX Phases-based Materials: Preparation, Structure, and Properties
Tetiana Prikhna¹ ; Vladimir Sverdun¹ ; Orest Ostash² ; Andriy Ivasyshyn² ; Myroslav Karpets¹ ; Thierry Cabioc'h³ ; Lucyna Jaworska⁴ ; Patrick Chartier³ ; Viktor Moshchil¹ ; Jolanta Cyboroń⁴ ; Tetiana Zimych¹ ; Alexandra Starostina¹ ;⁰ ; Fernand Marquis⁵ ; Andrzej Kalinka⁶ ; Andrzej Kalinka⁶ ; Sergey Dub⁶ ; Anatoliy Kostornov⁶ ;⁰ ;⁰ ; ¹Institute for Superhard Materials of the National Academy of Sciences of Ukraine, Kiev, Ukraine; ²Karpenko Physical-Mechanical Institute of the National Academy of Sciences of Ukraine, Lviv, Ukraine; ³Universite de Poitiers, CNRS/Laboratoire PHYMAT, Chasseneuil Futuroscope Cedex, France; ⁴The Institute of Advanced Manufacturing Technology, Krakow, Poland; ⁵San Diego State University, Department of Mechanical Engineering, San Diego, United States; ⁶, , ;
Paper Id: 323 [Abstract]

This paper presents and discusses the interrelations between preparation, structure, and properties of Ti–Al–C MAX-phases-based materials of the 211 and 312 structural types, and materials based on (Ti, Nb)–Al–C solid solution of the 312 type. The materials were prepared in vacuum under 1.6×10-3 Pа, by pressureless synthesis in argon under 0.1 MPa, hot pressing under 30 MPa, and high temperature–high pressure sintering at 2 GPa. The materials structure was investigated using X-ray with Rietveld refinement, SEM and Auger spectroscopy. The physical and mechanical properties: hardness, fracture toughness, bending and compressive strength, Young modulus, logarithmic decrement of damping oscillations, friction coefficient, strength stability in hydrogen at 600 oC, long-term oxidation resistance in air at 600 oC, 1000 h, stability in radiation environment and electrical resistivity were measured. These properties make these materials very promising as interconnectionion material for hydrogen fuel cells, damping and current collector materials, polishing powders for jewelry stones, and many other applications.