NUMERICAL ANALYSIS OF THE NONLINEAR ANELASTIC INTERNAL FRICTION PEAK (P′1 PEAK) UNDERLOW STRESS AMPLITUDE

FANG QIAN-FENG

doi:10.7498/aps.46.536

Abstract
The longitudinal diffusion equation of the solute atom along dislocation core for P′1 peak is numerically solved and the P′1 peak is derived on the base of dislocation kink atmosphere model. The variation of internal friction and modulus defects with temperature and strain amplitude is calculated. The theoretical and experimental results are compared and found to be in consistence with each other. Therefore, the P′1 peak can be quantitatively explained.
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FANG QIAN-FENG

1.
中国科学院固体物理研究所内耗与固体缺陷开放研究实验室
References

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[7]	GE TING-SUI. NONLINEAR ANELASTIC INTERNAL FRICTION PEAKS ASSOCIATED WITH DISLOCATION CORE DIFFUSION. Acta Physica Sinica, 1996, 45(6): 1016-1025. doi: 10.7498/aps.45.1016
[8]	DU JIA-JU. A INTERNAL FRICTION PEAK DUE TO TRACE HYDROGEN IN H.C.P. LATTICE α-PHASE OF TITANIUM ALLOYS. Acta Physica Sinica, 1982, 31(6): 801-806. doi: 10.7498/aps.31.801
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[13]	KE, T. S., CHANG. LOW FREQUENCY DISLOCATION INTERNAL FRICTION PEAKS WITH ANOMALOUS AMPLITUDE EFFECT IN Al-0.1% Mg ALLOY. Acta Physica Sinica, 1966, 22(3): 270-280. doi: 10.7498/aps.22.270
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Vol. 46, Issue 3 - 1997-02-05

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NUMERICAL ANALYSIS OF THE NONLINEAR ANELASTIC INTERNAL FRICTION PEAK (P′1 PEAK) UNDERLOW STRESS AMPLITUDE

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NUMERICAL ANALYSIS OF THE NONLINEAR ANELASTIC INTERNAL FRICTION PEAK (P′1 PEAK) UNDERLOW STRESS AMPLITUDE

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