Accession Number : AD0284284

Title :   DEFORMATION PROCESSES IN MATERIALS. PART I. FACTORS AFFECTING THE INITIATION OF PLASTIC FLOW IN METALS. PART II. SUMMARY STATEMENT OF OBJECTIVES AND ACCOMPLISHMENTS

Corporate Author : CALIFORNIA UNIV BERKELEY INST OF ENGINEERING RESEARCH

Personal Author(s) : WASHBURN,J. ; PARKER,E.R. ; TINDER,R.F.

Report Date : AUG 1962

Pagination or Media Count : 1

Abstract : Contents: Experimental procedure Preparation of specimens Test method Description of apparatus Calibration and preliminary tests Experimental results Determination of shear moduli Shear stress plastic strain curves Hysteresis studies (i) Half cycle deformation (ii) Full cycle hysteresis studies Discussion The elastic limit Stress strain curve Effect of surface damage Shape of the unloading curve and Bauschinger Effect The Peierls-Nabarro Stress Effect of alloying elements Bibliography

Descriptors :   *MATERIALS, *METAL CRYSTALS, ALLOYS, ALUMINUM ALLOYS, BIBLIOGRAPHIES, COPPER, COPPER ALLOYS, ELASTIC PROPERTIES, IRON ALLOYS, SHEAR STRESSES, STRESSES, SURFACES, TEST EQUIPMENT, TESTS, THEORY, ZINC

Distribution Statement : APPROVED FOR PUBLIC RELEASE