Plasticity of metals and alloys / V.V. Pustovalov.

Format:

Book

Author/Creator:

Pustovalov, V. V. (Vitaliĭ Valentinovich)

Language:

English

Subjects (All):

Materials at low temperatures.

Plasticity.

Physical Description:

1 online resource (139 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2009.

Language Note:

English

Summary:

This work features the results of observations and investigations of a new phenomenon - changes in the macroscopic characteristics of the plastic deformation of metals and alloys at a superconducting transition.

Contents:

Intro

PLASTICITY OF METALS AND ALLOYS

NOTICE TO THE READER

CONTENTS

PREFACE

I. INTRODUCTION

II. HISTORY OF THE PROBLEM

III. DISCOVERY OF THE INFLUENCE OF A SUPERCONDUCTING TRANSITION ON THE MACROSCOPIC CHARACTERISTICS OF PLASTIC DEFORMATION

A. EXPERIMENTAL ARRANGEMENT

B. CHANGES OF THE CHARACTERISTICS OF PLASTICITY AT A SUPERCONDUCTING TRANSITION

1. Deformation at a Constant Strain Rate

2. Creep

3. Stress Relaxation

IV. BASIC EXPERIMENTAL CHARACTERISTICS OF THE EFFECT

A. GENERAL AND BASIC CHARACTERISTICS OF THE EFFECT

B. TRANSIENT PROCESSES

1. Deformations with Constant Strain Rate

C. DEPENDENCE ON DEFORMATION AND STRESS

1. Jump of the Flow Stress with a Constant Stain Rate

2. Deformation Jump Under Creep Conditions

3. Jump of the Flow Stress Under Stress-Relaxation Conditions

D. MAGNETIC FLUX TRAPPING

E. STRAIN RATE DEPENDENCES

F. CONCENTRATION DEPENDENCES OF THE CHANGE IN THE CHARACTERISTICS OF PLASTICITY AT A SUPERCONDUCTING TRANSITION

V. EFFECT OF A SUPERCONDUCTING TRANSITION ON DEFORMATION TWINNING

VI. CORRELATION BETWEEN THE CHARACTERISTICS OF THE EFFECT AND THE SUPERCONDUCTING PROPERTIES

A. TEMPERATURE DEPENDENCE OF THE CHARACTERISTICS OF THE PLASTICITY CHANGE AT A SUPERCONDUCTING TRANSITION

1. Under the Conditions of Deformation at a Constant Strain Rate

2. Under Creep Conditions

3. Under Stress-Relaxation Conditions

B. MAGNETIC FIELD DEPENDENCES OF THE CHARACTERISTICS OF THE EFFECT

1. Intermediate State

2. Mixed State

C. EFFECT OF THE PARAMETERS OF THE ELECTRON ENERGY SPECTRUM

VII. BASIC THEORETICAL CONCEPTS OF THE INFLUENCE OF A SUPERCONDUCTING TRANSITION ON THE PLASTICITY

A. ELECTRONIC DRAG OF DISLOCATIONS IN NORMAL AND SUPERCONDUCTING STATES.

B. FLUCTUATION MECHANISM

C. INERTIAL MECHANISM

D. THERMAL-INERTIAL MECHANISM

E. QUANTUM-INERTIAL MECHANISM

F. OTHER THEORETICAL HYPOTHESES

G. COMPARISON OF THE THEORETICAL AND EXPERIMENTAL RESULTS

H. THEORETICAL HYPOTHESES CONCERNING BCC CRYSTALS

VIII. DIRECT EXPERIMENTS

A. INFLUENCE OF THE SUPERCONDUCTING STATE ON THE MOBILITY OF SISLOCATIONS IN NB

B. STUDY OF THE INFLUENCE OF THE ELECTRONIC STATE ON PYRAMIDAL AND BASAL GLIDE

C. DISPLACEMENT OF DISLOCATION IN THE NORMAL AND SUPERCONDUCTING STATES

D. DEFECT STRUCTURE OF A CRYSTAL AFTER DEFORMATION IN THE NORMAL OR SUPERCONDUCTING STATES

IX. NEW METHOD FOR STUDYING THE MECHANISMS OF LOW-TEMPERATURE PLASTICITY

A. STUDY OF DISLOCATION TUNNELING

B. STUDY OF LOW-TEMPERATURE JUMP-LIKE DEFORMATION

C. STUDY OF STRESS RELAXATION

D. STUDY OF THE INTERACTION OF DISLOCATIONS AND FLUXOIDS

E. STUDY OF THE INTERACTION OF DISLOCATIONS AND NORMALPHASE DOMAINS IN THE INTERMEDIATE STATE

F. PLASTIC DEFORMATION OF A COMPOSITE MATERIAL

X. APPLIED ASPECTS

A. WORK HARDENING BY SUPERCONDUCTING TRANSITIONS

B. WORK HARDENING IN THE SUPERCONDUCTING STATE

C. FATIGUE IN THE NORMAL AND SUPERCONDUCTING STATES

D. INFLUENCE OF A SUPERCONDUCTING TRANSITION ON THE TRIBOLOGIC PROPERTIES OF SUPERCONDUCTORS

XI. EXPERIMENTS ON HTSC

XII. CONCLUSIONS

REFERENCES

INDEX.

Notes:

Description based upon print version of record.

Includes bibliographical references (p. 111-123) and index.

ISBN:

1-60876-337-4

OCLC:

434959388