Review and statistical analysis of the ultrasonic velocity method for estimating the porosity fraction in polycrystalline materials
By: D.J. Roth ... [et al.].
Contributors: Roth, Don J.; United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum -- 102501.
Publisher: NASA; For sale by the National Technical Information Service
Published: 1990
Place of publication: [Washington, D.C.]; [Springfield, Va
Language: eng
Format: Microform
Number of pages: 43
Subjects: Polycrystals -- Permeability -- Measurement.; Porosity.; Correlation coefficients.; Elastic properties.; Polycrystals.; Porosity.; Regression analysis.; Statistical analysis.
Notes: Cover title.

Shipping list no.: 90-0858-M.

"March 1990."

"E-5298"--P. [1].

Includes bibliographical references (p. 9-12).

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration, 1990]. 1 microfiche : negative.

506-43-11.