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  4. № 20 2014
  5. P. 100

The mechanical properties of powder material Ті46Nb4Та4Al46 obtained by pulsed hot pressing

Y.Podrezov,
 
M.Remez,
 
A.Laptev,
 
O.Tolochyn,
 
S.K.Goltvyanitsa
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Electron Microscopy and Strength of Materials - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2014, #20
http://www.materials.kiev.ua/article/1714

Abstract

Several modes of pulsed hot pressing were investigate for obtained materials Тi46Nb4Та4Al46. The best balance of mechanical properties over a wide temperature range 20—750 °C of testing was observed in samples deformed at 1440 °C. Prior annealing before pressing increases the strength but reduces the ductility. The hot hardness testing results revealed that the high-temperature strength of these samples is conserved up to 900 °C. The hardness at such temperature reaches almost 3 GPa. Full text download


γ-PHASE, HARDNESS, IMPULSE HOT PRESSING, STRENGTH, TIAL

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