Influence of the matrix structure and properties on the crack resistance of sintered carbides

Journal Article · Wed May 01 00:00:00 EDT 1985 · Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States)

OSTI ID:6303972

Novikov, N V; Devin, L N; Mitlikin, M D; Ul'yanenko, A P

This paper presents the results of an automatic analysis of the structure of tungsten-cobalt sintered carbides with 6-25% weight of the binder phase and shows the possibility of their practical use for improvement of the mechanical properties of the materials. The authors conclude that accurate determination of the structural parameters of sintered carbides has made it possible to establish the yield strengths of the matrix material of different types of tungsten-cobalt sintered carbides and to determine those for which an increase in crack resistance is possible. The effect of the increase in fracture toughness of sintered carbides with an increase in loading rate is also explained.

• Research Organization: Inst. of Superhard Materials, Academy of Sciences of the Ukranian SSR
• OSTI ID: 6303972
• Journal Information: Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States), Vol. 23:12; Other Information: Translated from PoroshkovayaMetallurgiya, No. 12(264), pp. 78-81, December, 1984
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
COBALT CARBIDES
FRACTURE PROPERTIES
MICROSTRUCTURE
SINTERING
TUNGSTEN CARBIDES
BINDERS
COBALT
IMAGE PROCESSING
IMAGE TUBES
SCANNING ELECTRON MICROSCOPY
STRUCTURAL CHEMICAL ANALYSIS
YIELD STRENGTH
CARBIDES
CARBON COMPOUNDS
COBALT COMPOUNDS
CRYSTAL STRUCTURE
ELECTRON MICROSCOPY
ELEMENTS
FABRICATION
MECHANICAL PROPERTIES
METALS
MICROSCOPY
PROCESSING
REFRACTORY METAL COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN COMPOUNDS
360103* - Metals & Alloys- Mechanical Properties
360102 - Metals & Alloys- Structure & Phase Studies