On the Measurement of Dynamic Elastic and Internal Friction Properties of Nickel Based Super Alloys up to 650°C Temperature

K. Saravanan; V.M.J. Sharma; P. Ramesh Narayanan; S.C. Sharma; Koshy M. George

doi:10.4028/www.scientific.net/MSF.830-831.203

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HomeMaterials Science ForumMaterials Science Forum Vols. 830-831On the Measurement of Dynamic Elastic and Internal...

On the Measurement of Dynamic Elastic and Internal Friction Properties of Nickel Based Super Alloys up to 650°C Temperature

Abstract:

Elastic constants are the fundamental key parameters to understand the mechanical behaviour of engineering materials under stressed condition. This paper explains the test methodology and provides results of experiments carried out using resonance based high temperature impulse excitation technique test facility for the measurement of technical elastic moduli i.e., Young’s modulus (E), Shear modulus (G), Poisson’s ratio (ν) and internal friction (Q^-1) of two nickel-base polycrystalline super alloys IN718 and Haynes 214 from ambient to 650°C temperature in argon environment during heating and cooling.

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Periodical:

Materials Science Forum (Volumes 830-831)

Pages:

203-206

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.830-831.203

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Online since:

September 2015

Authors:

K. Saravanan*, V.M.J. Sharma, P. Ramesh Narayanan, S.C. Sharma, Koshy M. George

Keywords:

Impulse Excitation Technique, Internal Friction (Q^-1), Poisson’s Ratio (ν), Shear Modulus (G), Young’s Modulus (E)

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