Published 1991 | Version v1
Book Metadata-only

Velocity dependence of fracture toughness in refractory metals and alloys

Creators

  • 1. Yale Univ., New Haven, CT (United States). Dept. of Mechanical Engineering

Description

Results of experiments aimed at correlating fracture toughness levels with initial crack velocity and the level of crack tip plastic deformation will be reported. Materials used in the study include pure polycrystalline W and a W based heavy alloy. Variations in velocity response with respect to crack orientation in a swaged bar of the heavy alloy will be correlated with microstructural variations. In this paper the data are compared to predictions of a model which incorporates the crack velocity dependence of energy absorption by crack tip plasticity. In addition, initial experiments on single crystal NiAl will be discussed

Additional details

Publishing Information

Publisher
The Metallurgical Society Inc.
Imprint Place
Warrendale, PA (United States)
Imprint Title
120th TMS annual meeting
Imprint Pagination
146 p.
Journal Page Range
p. 111.

Conference

Title
Annual meeting and exhibition of the Minerals, Metals and Materials Society (TMS).
Dates
17-21 Feb 1991.
Place
New Orleans, LA (United States).

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
23052556
Subject category
S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference, Numerical Data
Descriptors DEI
ALUMINIUM ALLOYS; CRACK PROPAGATION; EXPERIMENTAL DATA; FRACTURE PROPERTIES; IMPACT STRENGTH; MICROSTRUCTURE; MONOCRYSTALS; NICKEL ALLOYS; PLASTICITY; POLYCRYSTALS; TUNGSTEN; TUNGSTEN ALLOYS; VELOCITY
Descriptors DEC
ALLOYS; CRYSTAL STRUCTURE; CRYSTALS; DATA; ELEMENTS; INFORMATION; MECHANICAL PROPERTIES; METALS; NUMERICAL DATA; TRANSITION ELEMENTS

Optional Information

Secondary number(s)
CONF-910202--.