Accession Number : AD0489952

Title :   DEVELOPMENT OF PLANE STRAIN FRACTURE TOUGHNESS FOR HANDBOOK PRESENTATION.

Descriptive Note : Progress rept. no. 1, 1 May-1 Sep 66,

Corporate Author : TRW EQUIPMENT LABS CLEVELAND OH

Personal Author(s) : Amateau, M. F. ; Steigerwald, E. A.

Report Date : 15 SEP 1966

Pagination or Media Count : 20

Abstract : The purpose of this program is to experimentally determine plane strain fracture toughness values for a variety of high strength-to-weight materials over a range of test temperatures. The ultimate objective is to develop the data in a form which would be useful for presentation in handbook form. During the current report period the primary emphasis was placed on procuring a number of heats of material, machining test specimens, and heat treating to the desired strength levels. Initial test results were obtained on 4140 steel at room temperature using precracked notch bend tests. (Author)

Descriptors :   (*FRACTURE(MECHANICS), TOUGHNESS), (*STRAIN(MECHANICS), HANDBOOKS), TITANIUM ALLOYS, HIGH TEMPERATURE, HEAT TREATMENT, STEEL, BENDING, BRITTLENESS, DISPERSION HARDENING, TENSILE PROPERTIES.

Subject Categories : Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE