The temperature dependence of dynamic Young\u27s modulus (E) has been measured with the PUCOT (piezoelectric ultrasonic composite oscillator technique) at frequencies near 100 kHz and at temperatures (T) up to 1130 K for a variety of advanced materials of interest for applications in hypersonic vehicles, including good thermal conductors (a copper-based alloy and a metal matrix composite), metal matrix composites based on Ti-6Al-4V, and the intermetallic compound Ti3Al. The values of dE/dT were found to lie in the range -77 to -153 MPa/K, while the values of the normalized modulus (-(1/E)(dE/dT)) evaluated at 300 K were in the range 4 × 10-4 to 9 × 10-4 K-1. The technique and results are discussed
Abstract: In present investigation, we studied elastic and ultrasonic properties of Os, OsC and OsN ...
Typescript (photocopy).This dissertation deals with the subject of testing the methodology of the PU...
Currently available high performance piezoelectric materials, predominantly based on lead zirconate ...
The temperature dependence of dynamic Young\u27s modulus (E) has been measured with the PUCOT (piezo...
The PUCOT (piezoelectric ultrasonic composite oscillator technique) has been used at frequencies nea...
Due to the character of the original source materials and the nature of batch digitization, quality ...
Mechanical damping (in the longitudinal vibration mode only) and temperature dependence of dynamic m...
The dynamic Young's modulus is studied by the impulse excitation technique (IET) on ZrB2-based compo...
Methods for in-situ monitoring of high temperature composite materials are important in a number of ...
This paper reports on the measurement of the thermal coefficient of Young's modulus of both single c...
Recently reported results of the long lifetime of the tungsten samples under high temperature and hi...
This paper describes progress towards the understanding of temperature effects in 1-3 piezoelectric ...
A lab facility for measuring elastic moduli up to 1700 C was constructed and delivered. It was shown...
Transducer technology is an in-demand resource particularly in the fields of ultrasonic non-destruct...
Young's modulus and damping behavior is investigated by the impulse excitation technique in vacuum u...
Abstract: In present investigation, we studied elastic and ultrasonic properties of Os, OsC and OsN ...
Typescript (photocopy).This dissertation deals with the subject of testing the methodology of the PU...
Currently available high performance piezoelectric materials, predominantly based on lead zirconate ...
The temperature dependence of dynamic Young\u27s modulus (E) has been measured with the PUCOT (piezo...
The PUCOT (piezoelectric ultrasonic composite oscillator technique) has been used at frequencies nea...
Due to the character of the original source materials and the nature of batch digitization, quality ...
Mechanical damping (in the longitudinal vibration mode only) and temperature dependence of dynamic m...
The dynamic Young's modulus is studied by the impulse excitation technique (IET) on ZrB2-based compo...
Methods for in-situ monitoring of high temperature composite materials are important in a number of ...
This paper reports on the measurement of the thermal coefficient of Young's modulus of both single c...
Recently reported results of the long lifetime of the tungsten samples under high temperature and hi...
This paper describes progress towards the understanding of temperature effects in 1-3 piezoelectric ...
A lab facility for measuring elastic moduli up to 1700 C was constructed and delivered. It was shown...
Transducer technology is an in-demand resource particularly in the fields of ultrasonic non-destruct...
Young's modulus and damping behavior is investigated by the impulse excitation technique in vacuum u...
Abstract: In present investigation, we studied elastic and ultrasonic properties of Os, OsC and OsN ...
Typescript (photocopy).This dissertation deals with the subject of testing the methodology of the PU...
Currently available high performance piezoelectric materials, predominantly based on lead zirconate ...