Accession Number : AD0681856

Title :   SURFACE INITIATED FAILURE OF MATERIALS.

Descriptive Note : Final research rept. 1 Feb 68-31 Jan 69,

Corporate Author : BATTELLE MEMORIAL INST COLUMBUS OHIO COLUMBUS LABS

Personal Author(s) : Gretz,Ronald D.

Report Date : 31 JAN 1969

Pagination or Media Count : 14

Abstract : A feasibility study of the use of a one dimensional field emission microscope for the study of surface initiated failure of materials was conducted. This study demonstrated that more development is needed before such a microscope can be generally used as a non-destructive testing tool. (Author)

Descriptors :   (*TITANIUM ALLOYS, *CRACK PROPAGATION), (*MICROSCOPY, MATERIALS), FAILURE(MECHANICS), ELECTRON MICROSCOPY, FRACTURE(MECHANICS), SURFACE PROPERTIES, TENSILE PROPERTIES, MODEL TESTS, VAPOR PRESSURE, VACUUM APPARATUS, DEGASIFICATION, CLEANING, EMISSIVITY, ELECTRIC DISCHARGES

Subject Categories : Metallurgy and Metallography
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE