Features of the Sn high-temperature internal friction spectrum

1987 ◽  
Vol 30 (3) ◽  
pp. 252-256
Author(s):  
B. G. Strongin ◽  
A. V. Oleinich ◽  
I. A. Varvus
Keyword(s):  
High Temperature ◽  
Internal Friction ◽  
Internal Friction Spectrum

THE INTERNAL FRICTION SPECTRUM OF PREMARTENSITIC TRANSFORMATIONS

1981 ◽  
Vol 42 (C5) ◽  
pp. C5-1037-C5-1042 ◽  
Author(s):  
O. Mercier ◽  
B. Tirbonod ◽  
E. Török
Keyword(s):  
Internal Friction ◽  
Internal Friction Spectrum

CHARACTERISTIC INTERNAL FRICTION SPECTRUM OF GREY CAST IRON

1981 ◽  
Vol 42 (C5) ◽  
pp. C5-929-C5-934 ◽  
Author(s):  
P. Millet ◽  
R. Schaller ◽  
W. Benoit
Keyword(s):  
Cast Iron ◽  
Internal Friction ◽  
Grey Cast Iron ◽  
Grey Cast ◽  
Internal Friction Spectrum

DETERMINATION OF PARAMETERS OF HIGH TEMPERATURE INTERNAL FRICTION FROM SINGLE EXPERIMENTAL CURVE

1987 ◽  
Vol 48 (C8) ◽  
pp. C8-323-C8-327
Author(s):  
Z. JIANG ◽  
X. ZHU ◽  
W. FAN
Keyword(s):  
High Temperature ◽  
Internal Friction ◽  
Experimental Curve ◽  
Determination Of Parameters

Influence of Annealing Temperature and of Purity on High-Temperature Internal Friction of Nickel

1967 ◽  
pp. 23-29
Author(s):  
O. A. Belous ◽  
V. N. Gridnev ◽  
A. I. Efimov ◽  
N. P. Kushnareva
Keyword(s):  
High Temperature ◽  
Internal Friction ◽  
Annealing Temperature

NEW ASPECTS ON THE INTERNAL FRICTION SPECTRUM OF COMMERCIAL Al-Mg-Si

1985 ◽  
Vol 46 (C10) ◽  
pp. C10-371-C10-374 ◽  
Author(s):  
A. GHILARDUCCI DE SALVA ◽  
S. URRETA DE PEREYRA ◽  
H. BERTORELLO
Keyword(s):  
Internal Friction ◽  
Internal Friction Spectrum

Search for High Damping Metallic Glasses

2006 ◽  
Vol 319 ◽  
pp. 151-156 ◽  
Author(s):  
Y. Hiki ◽  
M. Tanahashi ◽  
Shin Takeuchi
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Internal Friction ◽  
Metallic Glass ◽  
Room Temperature ◽  
Temperature Stability ◽  
Temperature Peak ◽  
High Temperature Side ◽  
Side Slope ◽  
Temperature Side

In a hydrogen-doped metallic glass, there appear low-temperature and high-temperature internal friction peaks respectively associated with a point-defect relaxation and the crystallization. The high-temperature-side slope of low-temperature peak and also the low-temperature-side slope of high-temperature peak enhance the background internal friction near the room temperature. A hydrogen-doped Mg-base metallic glass was proposed as a high-damping material to be used near and somewhat above the room temperature. Stability of the high damping was also checked.

scholarly journals The High-Temperature Internal Friction before Ac1 Transformation in Steels

1960 ◽  
Vol 24 (2) ◽  
pp. 101-104
Author(s):  
Tadashi Ichiyama ◽  
Kikuo Takashina
Keyword(s):  
High Temperature ◽  
Internal Friction

A Study on Influence of Annealing and Aging on High Temperature Internal Friction in Al-Zr Alloy

2012 ◽  
Vol 535-537 ◽  
pp. 1027-1030
Author(s):  
Xiao Hui Cao ◽  
Yu Wang
Keyword(s):  
High Temperature ◽  
Internal Friction ◽  
Grain Boundary ◽  
Low Frequency ◽  
Grain Boundary Sliding ◽  
High Temperature Side ◽  
Internal Friction Peak ◽  
Average Grain Size ◽  
Lower Temperature ◽  
Zr Alloy

By using a low frequency inverted torsion pendulum, the high temperature internal friction spectra of Al-0.02wt%Zr and Al-0.1wt%Zr alloys were investigated respectively. In Al-0.02wt%Zr alloy, the conventional grain boundary internal friction peak (Pg) is observed with some small unstable peaks. In Al-0.1wt%Zr alloy, the bamboo peak is observed to appear at the high temperature side of the conventional grain boundary internal friction peak. The conventional grain boundary internal friction peak decreased and moved to higher temperature. The bamboo peak owns an activation energy of 1.75eV. When average grain size exceeded the diameter of samples, Pb strength was reduced and its position was shifted to a lower temperature. Based on the grain boundary sliding model, Pg and Pb peaks were explained. Their dependence on annealing temperature and time was determined by considering the effects of contained Ce atoms and other impurities on the relaxation across grain boundary.

High-Temperature Isothermal Internal Friction Measurements in NiCoCrAlY Alloys

M ◽  
2009 ◽  
pp. 447-447-10
Author(s):  
P Gadaud ◽  
A Rivière ◽  
J Woirgard
Keyword(s):  
High Temperature ◽  
Internal Friction ◽  
Friction Measurements
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