Accession Number : ADA314037

Title :   Mechanical Properties of Hot Pressed Titanium Diboride.

Descriptive Note : Final rept. Oct 94-Sep 95,

Corporate Author : ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD

Personal Author(s) : Cho, Kyu ; Katz, Robert N. ; Bar-On, Isa

PDF Url : ADA314037

Report Date : AUG 1996

Pagination or Media Count : 24

Abstract : Room temperature uniaxial and flexural strength, Weibull parameters, and fracture toughness of hot pressed TiB2 are presented. Fracture toughness estimated from fractographic analysis was compared to the Single Edge Precracked Beam (SEPB) K sub (IC) measurements. Discrepancy between the estimated and measured values were rationalized by invoking the possibility of R-curve behavior. Fractographic analysis and the load displacement records of Vickers indented specimens point to the existence of rising R-curve behavior.

Descriptors :   *MECHANICAL PROPERTIES, *HOT PRESSING, *TOUGHNESS, *FRACTURE(MECHANICS), *FLEXURAL STRENGTH, *TITANIUM BORIDE, WEIBULL DENSITY FUNCTIONS, PARAMETERS, DISPLACEMENT, FRACTOGRAPHY, CERAMIC MATERIALS.

Subject Categories : Inorganic Chemistry
      Ceramics, Refractories and Glass
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE