Temperature dependence of fracture stress in the brittle fracture region

Previously abstracted from original as item 9204-31-1525. The nature of the temperature dependence of the breaking stress of body-centered metals in the region of brittle failure is considered. The model suggested considers the effect of the local plastic deformation in the crack apex on the transit...

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Bibliographic Details
Published in:Strength of materials 1991-11, Vol.23 (11), p.1209-1215
Main Authors: MOISEEV, V. F, SHCHERBAN, A. N, NAZAROVA, S. YU, KOVAL', A. YU
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Fractures
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
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Summary:Previously abstracted from original as item 9204-31-1525. The nature of the temperature dependence of the breaking stress of body-centered metals in the region of brittle failure is considered. The model suggested considers the effect of the local plastic deformation in the crack apex on the transition to brittle failure. This model provides an analytical expression for the temperature dependence of the breaking stress in materials with initial crack or notch. Alloys Fe--3Si and molybdenum alloy TsM6 were studied.
ISSN:0039-2316
1573-9325
DOI:10.1007/BF00780099