Low temperature dependence of elastic moduli and internal friction for the glassy alloy Zr55 Cu30 Al10 Ni5

2007 ◽  
Vol 1 (5) ◽  
pp. 220-222 ◽  
Author(s):  
Mikio Fukuhara ◽  
Xinmin Wang ◽  
Akihisa Inoue ◽  
Fuxing Yin
Keyword(s):  
Low Temperature ◽  
Internal Friction ◽  
Temperature Dependence ◽  
Elastic Moduli ◽  
Glassy Alloy

Low temperature dependence of elastic parameters and internal frictions for glassy alloy Cu45Zr45Al5Ag5

2008 ◽  
Vol 103 (1) ◽  
pp. 013503 ◽  
Author(s):  
M. Fukuhara ◽  
A. Kawashima ◽  
W. Zhang ◽  
A. Inoue ◽  
F. Yin
Keyword(s):  
Low Temperature ◽  
Temperature Dependence ◽  
Glassy Alloy ◽  
Elastic Parameters

Internal Friction during Reverse Martensitic Transformation in Mn-Cu Alloy with 45 % Mn

2013 ◽  
Vol 738-739 ◽  
pp. 183-186 ◽  
Author(s):  
Galina Viktorovna Markova ◽  
Ekaterina Sergeevna Klyueva
Keyword(s):  
Heat Treatment ◽  
Martensitic Transformation ◽  
Low Temperature ◽  
Internal Friction ◽  
Temperature Dependence ◽  
Strain Amplitude ◽  
Physical Mechanism ◽  
Amplitude Dependence ◽  
Internal Friction Peak ◽  
Cu Alloy

The temperature and amplitude dependence of internal friction fcc Mn45Cu55 alloy aged at 400 °C were studied. Two low-temperature internal friction peak observed in the quenched state. Physical mechanism of the peaks was determined by the effect of frequency and strain amplitude on the temperature dependence of internal friction. The influence of the heat treatment to the internal friction of the investigated alloy was shown.

scholarly journals Temperature Dependence of Elastic Moduli of Several Steels at Low Temperature Range

1979 ◽  
Vol 28 (312) ◽  
pp. 852-856 ◽  
Author(s):  
Yoichiro TAKEUCHI ◽  
Naotake NODA ◽  
Shigeru KOMORI ◽  
Takuo YAMATO
Keyword(s):  
Low Temperature ◽  
Temperature Dependence ◽  
Elastic Moduli ◽  
Temperature Range

LOW TEMPERATURE INTERNAL FRICTION OF COLD WORKED ZIRCONIUM

1971 ◽  
Vol 32 (C2) ◽  
pp. C2-209-C2-213 ◽  
Author(s):  
E. J. SAVINO ◽  
E. A. BISOGNI
Keyword(s):  
Low Temperature ◽  
Internal Friction ◽  
Cold Worked

Low Temperature Internal Friction of Diamond-Like Carbon Films

2002 ◽  
Author(s):  
Xiao Liu ◽  
D. M. Photiadis ◽  
J. A. Bucaro ◽  
J. F. Vignola ◽  
B. H. Houston ◽  
...  
Keyword(s):  
Low Temperature ◽  
Internal Friction ◽  
Carbon Films ◽  
Diamond Like Carbon

The Microscopic Structure Of Shallow Donors In Silicon Carbide

1996 ◽  
Vol 442 ◽  
Author(s):  
J.-M. Spaeth ◽  
S. Greulich-Weber ◽  
M. März ◽  
E. N. Kalabukhova ◽  
S. N. Lukin
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Temperature Dependence ◽  
Double Resonance ◽  
Epr Spectra ◽  
Electron Nuclear Double Resonance ◽  
Paramagnetic Resonance ◽  
Vacancy Pair ◽  
Temperature Spectra ◽  
Electron Paramagnetic

AbstractThe electronic structure of nitrogen donors in 6H-, 4H- and 3C-SiC is investigated by measuring the nitrogen hyperfine (hf) interactions with electron nuclear double resonance (ENDOR) and the temperature dependence of the hf split electron paramagnetic resonance (EPR) spectra. Superhyperfine (shf) interactions with many shells of 13C and 29Si were measured in 6H-SiC. The hf and shf interactions are discussed in the framework of effective mass theory. The temperature dependence is explained with the thermal occupation of the lowest valley-orbit split A1 and E states. It is proposed that the EPR spectra of P donors observed previously in neutron transmuted 6H-SiC at low temperature (<10K) and high temperature (>60K) are all due to substitutional P donors on the two quasi-cubic and hexagonal Si sites, whereby at low temperature the E state is occupied and at high temperature the A1 state. The low temperature spectra are thus thought not to be due to P-vacancy pair defects as proposed previously.

Mechanical Spectroscopy Study on the Light Soaking Effect on Hydrogenated Amorphous Silicon

2012 ◽  
Vol 184 ◽  
pp. 416-421 ◽  
Author(s):  
H. Mizubayashi ◽  
I. Sakata ◽  
H. Tanimoto
Keyword(s):  
Internal Friction ◽  
Temperature Dependence ◽  
Amorphous Silicon ◽  
Hydrogenated Amorphous Silicon ◽  
Wide Distribution ◽  
Activation Energies ◽  
Mechanical Spectroscopy ◽  
Induced Changes ◽  
Mild Temperature ◽  
Hydrogenated Amorphous

For hydrogenated amorphous silicon (a-Si:H) films deposited at temperatures between 423 K and 623 K (a-Si:H423Kand so on), the light-induced changes in the internal friction between 80 K and 400 K were studied. The internal friction is associated with H2motion in microvoid networks, and shows the mild temperature dependence between about 80 K and 300 K (Q-180-300K) and the almost linear increase above 300 K (Q-1>300K). BothQ-180-300KandQ-1>300Kdecrease with increasing the deposition temperature, and show the mild temperature dependence ina-Si:H623K. The white light soaking with 100 mW/cm2(WLS100and so on) below 300 K caused a change inQ-180-300Kand no changes inQ-1>300K, respectively, and the light-induced changes inQ-180-300Krecovered after annealing at 423 K. The wide distribution of activation energies for H2motions between microvoids indicate that most of neighboring microvoids are connected through windows, i.e., the microvoid networks are existing ina-Si:H, and the spatially loose or solid structures are responsible for the low or high activation energies for the H2motion between microvoids, respectively. Furthermore, the light-induced hydrogen evolution (LIHE) was observed for WLS200to WLS400in a vacuum between 400 and 500 K, resulting in the disappearance of the internal friction due to the H2motion in the microvoid network.

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