A MODEL FOR CORRELATING DAMAGE AND ULTRASONIC ATTENUATION IN COMPOSITESHAYFORD DT; HENNEKE EG II.1979; COMPOSITE MATERIALS: TESTING AND DESIGN. ASTM CONFERENCE. 5/1978/NEW ORLEANS LA; USA; PHILADELPHIA: ASTM; DA. 1979; NO 674; PP. 184-200; BIBL. 9 REF.Conference Paper

THE CORRELATION OF ULTRASONIC ATTENUATION AND SHEAR STRENGTH IN GRAPHITE-POLYIMIDE COMPOSITES.HAYFORD DT; HENNEKE EG; STINCHCOMB WW et al.1977; J. COMPOSITE MATER.; U.S.A.; DA. 1977-10; VOL. 11; PP. 429-444; BIBL. 7 REF.Article