Downloaded from https://www.everyspec.com AMCP 706.134 it CRT often is used. Two-dimensional scan- tage is that highly skilled operators are required. ni$adimagingibein employed to a Specimen geometry limits the size, contour, limited extent but requires turther develognlent and complexity of shapev that can be tested. to beome apracticaltolMaodrwak Milaigrsossmybotindfm of the imaging tvohnlques are distortion and usual Internal structural characterlstica such as limitations on resolution. Another disadvan- large grains or porosity. P' REFERENCES 1. "Testing", PiecticalisRl~iabity, Vol. III, 5. C. E.
Betz, "Nondestructive Testing - Re- NASA CR-I 1 28, Research Triangle lnstl- cent Achlevemonts", Industrial Quality tute, Research Triangle Pork, NC, August Con trol 23, No, 1, (July 1 966). 1968. 6. B. Selikson and 1. Dimauro, Reliabdlity 2. W. McGonnagle, Non'destructive Tosting, 9screning Usftg Infrared, RADC-TR-66-3 60, VMcGraw-Hil Book Company, New York, Rome Air Development Center, October NY, 1961. 1966. 1. Rt. C. McMaster, Nondesntrctivae Testing 7. C. E. Betz, Principles of Pmnetrants, Mag- Handbook, Ronald Press, Inc., 1959. naflux Corporation, Chicago, 11, 1962. 4. M. Walter, J, Roachen, and H. Schlegel, 8. J. McDermott, "Finally:
A Practical Ap- "An Infrared Scanning Technique fo: the plicatlon for Holography", Electronic Design, Determination of Temperature Profiles In February 15, 1969, Microclrovits", IEEE Transactions on Electron )Devices, 10 (1963). ....... ..... I'l...........................................................