Fundamental aspects in the quantitative ultrasonic determination of fracture toughness
Subtitle: General equations
By: L.S. Fu ; prepared for Lewis research Center under grant NSG-3269
Contributors: United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch; Lewis Research Center
Series: NASA contractor report -- 3445
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1981
Place of publication: Washington, D.C; [Springfield, Va
Language: eng
Number of pages: 27
Subjects: Quality assurance; Quality control -- United States
Notes: "July 1981"--Cover

Includes bibliographical references