Influence of the Ga Alloying on the Properties of NiAl Based Alloys

Yuri N. Koval; G.E. Monastyrsky; Valeri V. Odnosum; Tomasz Czeppe; R.Ya. Musienko; A.Yu. Sezonenko

doi:10.4028/www.scientific.net/SSP.130.117

Paper Titles

Structure Studies of Electrodeposited Ni-Mo Alloys with Polymers after Annealing
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Structural Refinement and Homogeneity Range of Sm₆Al₃Si
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Crytalline Precipitates in Silver Ion Conducting Materials
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Refinement of the Cu Structure by Oscillatory Compression Test
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Influence of the Ga Alloying on the Properties of NiAl Based Alloys
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Preparation by Twin Roll Casting and Characterization of TiNi Shape Memory Alloys Strips
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Effect of L2₁ Ordering on the Martensitic and Intermartensitic Transformations in a Ni-Mn-Ga Shape Memory Alloy
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The Effect of the Annealing Parameters on the Structure and Characteristic Temperatures of the Nonstoichiometric Ni₂MnGa Alloys
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Martensitic Transformation, Structure and Magnetic Properties of Co-Ni-Ga Ferromagnetic Shape Memory Alloys
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Influence of the Ga Alloying on the Properties of NiAl Based Alloys

Abstract:

Influence of the Ga alloying on the crystal structure and parameters of the martensitic transformation are presented. X-ray diffraction has shown the multiphase composition of the samples (β (B2)- phase, γ′ (L12)-phase, (L10)-martensitic phase, Ni5Al3-phase). Metallographic investigations have demonstrated the coarse grain of B2 phase with non-regular needles of Ni3Al and typical martensitic structure. Ga did not suppress the martensitic transformation in NiAlGa alloys. The Ni to Al ratio and quantity of Ga determine the parameters of martensitic transformation.

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Periodical:

Solid State Phenomena (Volume 130)

Pages:

117-120

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.130.117

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Online since:

December 2007

Authors:

Yuri N. Koval, G.E. Monastyrsky, Valeri V. Odnosum, Tomasz Czeppe, R.Ya. Musienko, A.Yu. Sezonenko

Keywords:

Martensitic Transformation (MT), NiAl Based Alloys, NiAlGa, Shape Memory Effects (SME)

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