scholarly journals Compositional Dependence of Crystalline Structure, Martensitic Transformation Temperature and Vickers Hardness of Zr-Cu System Alloy

2021 ◽  
Vol 70 (5) ◽  
pp. 387-392
Author(s):  
Hitoo TOKUNAGA ◽  
Yuhei IMAHORI ◽  
Syunsuke NAKAMURA
Keyword(s):  
Martensitic Transformation ◽  
Crystalline Structure ◽  
Vickers Hardness ◽  
Transformation Temperature ◽  
System Alloy ◽  
Compositional Dependence ◽  
Martensitic Transformation Temperature

scholarly journals Structure, phase transformation, and hardness of NiTiHfNd alloys

2021 ◽  
Vol 3 (5) ◽  
Author(s):  
Chunwang Zhao ◽  
Shilei Zhao
Keyword(s):  
Phase Transformation ◽  
Martensitic Transformation ◽  
Vickers Hardness ◽  
Transformation Temperature ◽  
Thermal Hysteresis ◽  
Martensitic Transformation Temperature ◽  
Arc Melting ◽  
Nd Addition ◽  
Structure Phase ◽  
First Time

AbstractNi50Ti29Hf21−xNdx (x = 0, 1, 2 at.%) and Ni50Ti29−xHf21Ndx (x = 1, 2 at.%) alloys were fabricated via arc melting. For the first time, the influence of Nd addition on structure, phase transformation, and hardness of NiTiHf alloy was investigated experimentally. It is found that the NiTiHfNd alloys consist of NiTiHf matrix and Nd-rich precipitates. Ni50Ti29Hf21 alloy demonstrates a martensitic transformation temperature as high as 314.1 °C, a thermal hysteresis as narrow as 37.7 °C, and a Vickers hardness as high as 500 HV. Nd addition obviously decreases the martensitic transformation temperature of NiTiHf alloys but still maintains a relatively narrow thermal hysteresis and a relatively high Vickers hardness compared with most other components of NiTiHf-based alloys.

Martensitic Transformation and Mechanical Properties of Fe-Doped Ni54Mn21Ga25 Alloys

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.

Magnetic field effect on the martensitic transformation temperature in Nb3Sn

Physica B+C ◽  
1985 ◽  
Vol 135 (1-3) ◽  
pp. 364-366 ◽  
Author(s):  
N. Toyota ◽  
T. Itoh ◽  
M. Kataoka ◽  
T. Fukase ◽  
H. Takei ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Martensitic Transformation ◽  
Transformation Temperature ◽  
Field Effect ◽  
Magnetic Field Effect ◽  
Martensitic Transformation Temperature
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