Accession Number : AD0437887


Title :   PLANE STRAIN FRACTURE TOUGHNESS OF LARGE D6AC STEEL SPECIMENS HEAT TREATED TO 220-240 AND 260-280 KSI STRENGTH LEVEL.


Corporate Author : GENERAL DYNAMICS/FORT WORTH TEX


Report Date : 15 Apr 1964


Pagination or Media Count : 11


Abstract : The plane strain fracture toughness indexes calculated for the 260-280 ksi heat treat are included as empirical data. The modified normalize heat treatment was not detrimental to the plane strain fracture toughness indexes of D6ac steels heat treated to the 220-240 ksi range. (Author)


Descriptors :   *METAL PLATES , FRACTURE(MECHANICS) , STEEL , TOUGHNESS , STRESSES , TENSILE PROPERTIES , TABLES(DATA) , HEAT TREATMENT


Distribution Statement : APPROVED FOR PUBLIC RELEASE