NBS: Nondestructive Evaluation of Nonuniformities in 2219 Aluminum Alloy Plate - Relationship to Processing L Swartzendruber, W. Boettinger, L Ives, S. Coriell, D. Ballard, D. Laughlin, R. Clough, F. Biancaniello, P. Blau, J. Cahn and R. Mehrabian, Metallurgy Division G. Free, Electrical Measurements and Standards Division H. Berger and L. Mordfin, Office of Nondestructive Evaluation Netfonal Measurement Laboratory National Bureau of Standards U.S. Depanrrient o* Commerce Washington, DC 20234 Phone; (301) 921-2811 1 December 198C Technical Report For the Period August 1 97S - September 1 980 NASA Government Order W- 14,637 / ^ \ j -QC- 100 .U56 80-2069 1980 0 * DEPARTMENT OF COMMERCE ONAL bureau 0? STANDARDS