A Study of Structure and Thermal Parameters of Biomedical Used Ni20Pd80 Alloy

Ya Jing Zhang; Li Xin Li

doi:10.4028/www.scientific.net/AMM.380-384.4303

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384A Study of Structure and Thermal Parameters of...

A Study of Structure and Thermal Parameters of Biomedical Used Ni₂₀Pd₈₀ Alloy

Abstract:

The structure and thermal parameters of biomedical used Ni₂₀Pd₈₀ alloy were studied using X-ray diffraction (XRD) technique. The diffraction experiments performed in the temperature range of 308-1100 K revealed that the alloy forms a face centered cubic (fcc) A1-type structure. The temperature dependence of the lattice parameters was investigated using the Bragg line displacement method shows that the lattice parameter increases with the increase of temperature. The mean linear thermal expansion (MLTE (%)), coefficient of thermal expansion (CTE) α, the characteristic Debye temperature (Θ_D) and mean square amplitudes of vibration were determined from the XRD data. The value of Debye temperature was found to be 253 K. It was found that temperature factor was independent of the static displacements.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

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4303-4306

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.4303

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Online since:

August 2013

Authors:

Ya Jing Zhang, Li Xin Li

Keywords:

Biomedical Use, Ni₂₀Pd₈₀ Alloys, Structure, Thermal Parameters

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