Manifestation of intercrystalline internal adsorption in the laws of electrolytic dissolution of polycrystalline alloys

V. I. Arkharov; S. D. Vangengeim; V. V. Dorogan'; S. K. Krysova; V. Kh. Plastovets

doi:10.1007/bf00723153

Manifestation of intercrystalline internal adsorption in the laws of electrolytic dissolution of polycrystalline alloys

Soviet Materials Science ◽

10.1007/bf00723153 ◽

1974 ◽

Vol 8 (5) ◽

pp. 515-520

Author(s):

V. I. Arkharov ◽

S. D. Vangengeim ◽

V. V. Dorogan' ◽

S. K. Krysova ◽

V. Kh. Plastovets

Keyword(s):

Internal Adsorption ◽

Polycrystalline Alloys

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TEM study of order, structure and defects of β and martensite in Cu-Al-Mn shape memory alloys

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100174072 ◽

1990 ◽

Vol 48 (4) ◽

pp. 188-189

Author(s):

J.M. Guilemany ◽

F. Peregrin

Keyword(s):

Shape Memory ◽

Orthophosphoric Acid ◽

Isopropyl Alcohol ◽

Metastable Phase ◽

Characteristic Temperature ◽

Ethanol Solution ◽

Order Structure ◽

Thin Foils ◽

Polycrystalline Alloys ◽

Diamond Saw

The shape memory effect (SME) shown by Cu-Al-Mn alloys stems from the thermoelastic martensitic transformation occuring between a β (L2,) metastable phase and a martensitic phase. The TEM study of both phases in single and polycrystalline Cu-Al-Mn alloys give us greater knowledge of the structure, order and defects.The alloys were obtained by vacuum melting of Cu, Al and Mn and single crystals were obtained from polycrystalline alloys using a modified Bridgman method. Four different alloys were used with (e/a) ranging from 1.41 to 1.46 . Two different heat treatments were used and the alloys also underwent thermal cycling throughout their characteristic temperature range -Ms, Mf, As, Af-. The specimens were cut using a low speed diamond saw and discs were mechanically thinned to 100 μm and then ion milled to perforation at 4 kV. Some thin foils were also prepared by twin-jet electropolishing, using a (1:10:50:50) urea: isopropyl alcohol: orthophosphoric acid: ethanol solution at 20°C. The foils were examinated on a TEM operated at 200 kV.

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Character of microplastic deformations in polycrystalline alloys strengthened by electromechanical processing

Materials Science ◽

10.1007/bf00565987 ◽

1996 ◽

Vol 31 (1) ◽

pp. 131-133

Author(s):

G. V. Malovechko ◽

N. G. Dudkina ◽

A. Yu. Svitachev

Keyword(s):

Polycrystalline Alloys

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Large magnetocaloric effect and excellent mechanical properties near room temperature in Ni-Co-Mn-Ti non-textured polycrystalline alloys

Applied Physics Letters ◽

10.1063/5.0058609 ◽

2021 ◽

Vol 119 (5) ◽

pp. 051904

Author(s):

Ziqi Guan ◽

Xinjun Jiang ◽

Jianglong Gu ◽

Jing Bai ◽

Xinzeng Liang ◽

...

Keyword(s):

Mechanical Properties ◽

Magnetocaloric Effect ◽

Room Temperature ◽

Polycrystalline Alloys

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Phase field model derivation for rapid crystal growth in polycrystalline alloys

The European Physical Journal Special Topics ◽

10.1140/epjst/e2019-900057-9 ◽

2020 ◽

Vol 229 (2-3) ◽

pp. 453-458

Author(s):

Irina G. Nizovtseva ◽

Nele Moelans ◽

Alexander A. Ivanov

Keyword(s):

Crystal Growth ◽

Phase Field ◽

Field Model ◽

Phase Field Model ◽

Polycrystalline Alloys ◽

Model Derivation

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Symbolic time series analysis of ultrasonic signals for fatigue damage monitoring in polycrystalline alloys

Measurement Science and Technology ◽

10.1088/0957-0233/17/7/040 ◽

2006 ◽

Vol 17 (7) ◽

pp. 1963-1973 ◽

Cited By ~ 11

Author(s):

Shalabh Gupta ◽

Asok Ray ◽

Eric Keller

Keyword(s):

Time Series ◽

Time Series Analysis ◽

Fatigue Damage ◽

Ultrasonic Signals ◽

Series Analysis ◽

Polycrystalline Alloys ◽

Damage Monitoring ◽

Symbolic Time Series Analysis

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Martensitic Transformation and Mechanical Properties of Fe-Doped Ni54Mn21Ga25 Alloys

Materials Science Forum ◽

10.4028/www.scientific.net/msf.687.500 ◽

2011 ◽

Vol 687 ◽

pp. 500-504

Author(s):

S. X. Xue ◽

S.S. Feng ◽

P. Y. Cai ◽

Q T Li ◽

H. B. Wang

Keyword(s):

Magnetic Field ◽

Mechanical Properties ◽

Magnetic Properties ◽

Martensitic Transformation ◽

Curie Temperature ◽

Directional Solidification ◽

Transformation Temperature ◽

Room Temperature ◽

Martensitic Transformation Temperature ◽

Polycrystalline Alloys

Ni54Mn21-xFexGa25（x=0,1,3,5,7,9）polycrystalline alloys were prepared by the technique of directional solidification and the effect of substituting Fe for Mn on the martensitic transformation and mechanical properties of the alloys was analyzed. It was found that the Curie temperature increased with increasing substitution while the martensitic transformation temperature decreased. The Fe-doped Ni54Mn21Ga25 alloys exhibit excellent magnetic properties at room temperature; the typical Ni54Mn20Fe1Ga25 alloy shows a large magnetic-induced-strain of -1040 ppm at a magnetic field of 4000 Oe.

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