Detail publikace

Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C

CHLUPOVÁ, A. OBRTLÍK, K. BERAN, P. HECZKO, M. POLÁK, J. KRUML, T.

Originální název

Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Six grades of TiAl alloys doped with 7 at.% Nb and variable content of C and/or Mo were studied. The as-received microstructure and phase composition of the alloys was characterized using neutron diffraction experiments and electron microscopy. They are substantially different in individual alloys. In Mo containing alloys, ordered beta0 phase is present while carbon suppresses the occurrence of this phase. Alternating lamellae of gamma and alpha2 phases are characteristic for all specimens. The specimens have been subjected to monotonic testing (tensile and compression) and to low cycle fatigue testing at ambient and at elevated temperatures. The differences in microstructure result in scatter of mechanical behaviour of the alloys, e.g. the yield stress at 750C varies from 445 to 626 MPa. The mechanical properties of the materials are discussed in relation to the initial microstructure and phase composition.

Klíčová slova

TiAl alloys, microstructure, neutron diffraction, fatigue

Autoři

CHLUPOVÁ, A.; OBRTLÍK, K.; BERAN, P.; HECZKO, M.; POLÁK, J.; KRUML, T.

Rok RIV

2014

Vydáno

25. 6. 2014

Nakladatel

Elsevier

ISSN

1877-7058

Periodikum

Procedia Engineering

Ročník

74

Číslo

1

Stát

Nizozemsko

Strany od

405

Strany do

408

Strany počet

4

URL

https://www.sciencedirect.com/science/article/pii/S1877705814008595

Plný text v Digitální knihovně

http://hdl.handle.net/11012/194748

BibTex

@article{BUT108928,
  author="Alice {Chlupová} and Karel {Obrtlík} and Přemysl {Beran} and Milan {Heczko} and Jaroslav {Polák} and Tomáš {Kruml}",
  title="Monotonic and cyclic properties of TiAl alloys Monotic and cyclic properties of TiAl alloys doped with Nb, Mo and C",
  journal="Procedia Engineering",
  year="2014",
  volume="74",
  number="1",
  pages="405--408",
  doi="10.1016/j.proeng.2014.06.289",
  issn="1877-7058",
  url="https://www.sciencedirect.com/science/article/pii/S1877705814008595"
}