可变温的固体材料弹性参数测量系统研究

doi:10.3969/j.issn.1000-1158.2015.05.01

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Abstract Based on the principle of ultrasonic resonance spectrum, a setup is developed including the ultrasonic signaling and detecting system, the thermostat and the data analysis software.The elastic modulus of three samples in different quality factors are measured at room temperature, and the effects influencing the measurement are investigated. The resonant frequency matching error (RMS) of 0.04% has been reached with the measurements by the developed setup. The results agree well with those of the global advanced commercial instruments. In addition, bearing steel（9Cr18）are measured at temperature from 293 K to 353 K for isothermal compressibility. The system is capable to measure the elastic modulus of solids at temperature up to 500 K at anti-oxidation atmosphere. After redesigning the ultrasonic signaling and detection system, it is capable for measurements at higher temperature.

Key words： metrology gas refractive index thermometry isothermal compressibility resonant ultrasound spectroscopy

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	Articles by authors
	BAO Jing
	FENG Xiao-juan
	LIN Hong
	ZHANG Jin-tao
	QI Xiao-feng
	LI Xiao-ting

Cite this article:

BAO Jing,FENG Xiao-juan,LIN Hong, et al. Study on the Setup for Measurement of Temperature-dependent Elastic Properties of Solids[J]. Acta Metrologica Sinica, 2015, 36(5): 449-454.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2015.05.01 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2015/V36/I5/449

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