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Role of martensite transformation in variation of physicomechanical properties of niobium-titanium (45 and 50 wt.% niobium) alloys at low temperatures.

Author(s) : LOTOTSKAYA V. A., POKHIL Ju. A., LAVRENTIEV E. F.

Type of article: Article

Summary

It is shown that the direct and reversible transformation, which proceeds orientationally, leads to: 1) anomalous temperature dependences of the relative elongation, proportionality limits and yield strength of hardened and drawn samples at 160-77 K, the degree of anomaly being dependent on the thermomechanical treatment; 2) pseudo-elasticity in the stress-strain curves, the temperature range of the pseudo-elasticity being dependent on the thermomechanical treatment; and 3) non-monotonous behaviour in the strain dependences of electrical resistance and stress in all structural states.

Details

  • Original title: Role of martensite transformation in variation of physicomechanical properties of niobium-titanium (45 and 50 wt.% niobium) alloys at low temperatures.
  • Record ID : 1994-1841
  • Languages: English
  • Source: Cryogenics - vol. 33 - n. 7
  • Publication date: 1993

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