Physics of Strength and Fracture Control: Adaptation of Engineering Materials and Structures, 1st Edition (Hardback) book cover

Physics of Strength and Fracture Control

Adaptation of Engineering Materials and Structures, 1st Edition

By Anatoly A. Komarovsky, Viktor P. Astakhov

CRC Press

672 pages | 315 B/W Illus.

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pub: 2002-09-17
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Description

Still passive and for the most part uncontrollable, current systems intended to ensure the reliability and durability of engineering structures are still in their developmental infancy. They cannot make corrections or recondition materials, and most material and structural failures cannot be predicted. Accidents-and catastrophes-result.

Physics of Strength and Fracture Control: Adaptation of Engineering Materials and Structures introduces a new physical concept in the science of the resistance of materials to external effects, a concept that opens completely new avenues for improving the strength and safety of engineered objects. Based on a thermodynamic equation of state of solids derived by the author, the approach provides a general methodology for treating all the physical and mechanical properties of materials, regardless of their nature and physical state. The author shows that this approach enables the control of the stressed-deformed state both to prevent failures and fractures and to promote them for easier shaping of materials. He uses this methodology to present and discuss non-traditional but practical ways of solving real-world problems.

Of enormous theoretical and practical significance, this groundbreaking work ushers in a new stage in the science of material strength. It opens the door to systematic ways to design materials, control their operating properties, and predict their behavior under specific operating conditions.

Table of Contents

TABLE OF CONTENT

STRUCTURAL MECHANICS AND ELECTRODYNAMICS OF INTERATOMIC BONDS

The State of Electrons and Nuclei in Isolated Atoms

Diagram of Formation and Energy of the Paired Bonds

Character of Movement of Bound Atoms

Localization Parameters and Rotos State Equation

Electrodynamics of Interatomic Interaction

Thermal Radiation, Phase Transitions and Formation of Vacancies

Condition of Stability: Low- and High-Temperature Disintegration

Failure at the Debye Temperature

Three Mechanisms of Disintegration of the Bonds: "Theoretical" Strength and Phenomenon of Brittle Fracture

Deformation, Coriolis Forces and Inertial Effects

EQUATION OF STATE OF A SOLID AND ITS MANIFESTATIONS AT MACROSCOPIC LEVEL

Basic Thermodynamic Potentials

Potentials of Systems with a Varying Number of Interatomic Bonds

Thermodynamic Equation of State of a Solid

Parameters of State, Relationship of Equivalence and Entropy

Brittle and Ductile Structures

Temperature Dependence of Mechanical Properties

Periodic Law of Variations in State

Phase and Aggregate States of Materials

Mechanical Hysteresis: Causes of Formation and Practical Consequences

Compression-Dilation Nature of Dislocations

INTERACTION WITH EXTERNAL FIELDS

Equation of Interaction

Analogy Between Polarization, Magnetization, Force and Thermal Deformation

Orientation Nature of Elastic Stage of Deformation

Plastic Deformation and Destruction Processes

Scale Effect: Causes of Initiation, Forms of Manifestation and Dangerous Consequences

Mechanism of Formation of the Maxwell-Boltzmann Factor

Dependence of Mechanical Properties upon the Packing Density of a Structure

Variation of State in Compression and Tension

Complex Stressed States: Mechanism of Formation and Prospects of Application for Fracture Prevention

Mechanical, Thermal, Ultrasonic, Electron, Chemical and Other Effects in Deformation and Fracture

VARIATIONS OF STATE UNDER DYNAMIC AND QUASI-STATIC LOADING CONDITIONS

Dynamic Effect (DE)

Durability

SOLIDS IN ACTIVE MEDIA

Aging

Hydrogen Embrittlement

Radiation Damage

Moisture-Induced Softening of Porous Materials

Durability of Unstable Structures

Defect Healing and Damaged Structure Restoration

PHYSICS Of FRACTURE

Concentration of Stresses as an Inherent Property of Crystalline Structures

Rigid-Link Nature of Fracture

Probability and Thermodynamic Aspects of the Deformation Diagrams

Mechanism of Formation and Development of Cracks

Crack Propagation and Restrain

Retardation of Cracks

FATIGUE: PHYSICAL NATURE, PREDICTION, ELIMINATION, AND RELIEF

Equation of Thermomechanical Fatigue

Compression-Dilation (CD) Nature of Fatigue

Prediction of Thermal-Mechanical-Radiation Fatigue

Prevention and Relief of Fatigue

DIAGNOSTICS OF TECHNICAL STATE AND PREDICTION OF SERVICE LIFE

Diagnostics of Stress-Strain State

Determination of Strength of Materials Using Elasto-Plastic Hardness Indicators

Prediction of Residual Resource and Durability

PHYSICAL PRINCIPLES OF ADAPTATION OF MATERIALS AND STRUCTURES TO SERVICE CONDITIONS

Control of Physical-Mechanical Properties

Controllable and Non-Controllable Modes of Ensuring Strength, Reliability and Durability

Principles of the Theory of Design of Materials Properties

Formation of Anisotropic Structures

Correction of Resource after Solidification

Technologies for Formation of Variatropic Structures

Control of the Stressed-Deformed State

Prevention of Deformation and Fracture in Competing Fields

Promising Technologies and Ingenious Design Solutions

REFERENCES

Subject Categories

BISAC Subject Codes/Headings:
SCI041000
SCIENCE / Mechanics / General
TEC021000
TECHNOLOGY & ENGINEERING / Material Science
TEC063000
TECHNOLOGY & ENGINEERING / Structural