INHIBITION OF CURVILINEAR COHESIVE CRACK GROWTH IN A BENDING STRIP (BEAM) BY INDUCED HEAT STRESS FIELD: Fid-Bau Portal

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INHIBITION OF CURVILINEAR COHESIVE CRACK GROWTH IN A BENDING STRIP (BEAM) BY INDUCED HEAT STRESS FIELD

A B MUSTAFAYEV

We consider a temperature changes near end of curvilinear crack with end zones of mate- rial cohesive forces in bending strip (beam). The aim of the local temperature changes is a delay or inhibition of crack growth. Boundary value problem for equilibrium of curvilinear crack under the action of external bending loads, induced thermoelastic stress field and trac- tions in bonds, preventing its disclosure, is reduced to a system of nonlinear singular integro- differential equations with the kernel of Cauchy type. Condition of crack limit equilibrium is formulated on the basis of a two-parameter fracture criterion.

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INHIBITION OF CURVILINEAR COHESIVE CRACK GROWTH IN A BENDING STRIP (BEAM) BY INDUCED HEAT STRESS FIELD

A B MUSTAFAYEV

We consider a temperature changes near end of curvilinear crack with end zones of mate- rial cohesive forces in bending strip (beam). The aim of the local temperature changes is a delay or inhibition of crack growth. Boundary value problem for equilibrium of curvilinear crack under the action of external bending loads, induced thermoelastic stress field and trac- tions in bonds, preventing its disclosure, is reduced to a system of nonlinear singular integro- differential equations with the kernel of Cauchy type. Condition of crack limit equilibrium is formulated on the basis of a two-parameter fracture criterion.

INHIBITION OF CURVILINEAR COHESIVE CRACK GROWTH IN A BENDING STRIP (BEAM) BY INDUCED HEAT STRESS FIELD

A B MUSTAFAYEV

We consider a temperature changes near end of curvilinear crack with end zones of mate- rial cohesive forces in bending strip (beam). The aim of the local temperature changes is a delay or inhibition of crack growth. Boundary value problem for equilibrium of curvilinear crack under the action of external bending loads, induced thermoelastic stress field and trac- tions in bonds, preventing its disclosure, is reduced to a system of nonlinear singular integro- differential equations with the kernel of Cauchy type. Condition of crack limit equilibrium is formulated on the basis of a two-parameter fracture criterion.

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Title:

INHIBITION OF CURVILINEAR COHESIVE CRACK GROWTH IN A BENDING STRIP (BEAM) BY INDUCED HEAT STRESS FIELD

Contributors:

A B MUSTAFAYEV (author)

Published in:

Structural Mechanics of Engineering Constructions and Buildings, Vol 0, Iss 3, Pp 59-70 (2017)

Publication date:

2017

ISSN:

1815-5235 , 2587-8700

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

изгибаемая полоса (балка) , температурное поле , криво- линейная трещина , зона предразрушения , силы сцепления , Architectural engineering. Structural engineering of buildings , TH845-895

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