ULTRASONIC METHODS FOR NON-DESTRUCTIVE EVALUATION OF CERAMIC COATINGS. Sixth Quarterly Progress Report, October 1, to December 31, 1961
Activities in a program to determine the strength and integrity of ceramic coating-metal bonds are described. Flame-sprayed ceramic and diffusion coatings are being examined uitrasonically. Design of equipment to investigate compressional wave propagation and surface wave attenuation in these coatings is reponted. Development and adaptation of the Schlieren optical system for examination of the propagation and interaction of compresslonal waves with solids in transparent media is also reported. Flamespraying techniques were improved so that less porous and more unlform flame-sprayed coatings are available. Thin films of zirconlum oxide were also produced which are suitable for ultrasonic tests. Further work was also done using surface wave techniques to determine ultrasonic attenuation in homogeneous materials, and coatings. (J.R.D.)
- Research Organization:
- Illinois Inst. of Tech., Chicago. Armour Research Foundation
- DOE Contract Number:
- AF 33(616)-6396
- NSA Number:
- NSA-16-011925
- OSTI ID:
- 4790679
- Report Number(s):
- ARF-6043-23
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-62
- Country of Publication:
- United States
- Language:
- English
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