Cover image for Understanding how components fail
Title:
Understanding how components fail
Author:
Wulpi, Donald J.
Personal Author:
Edition:
Second edition.
Publication Information:
Materials Park, OH : ASM International, [2000?]

©1999
Physical Description:
x, 293 pages : illustrations ; 26 cm
Language:
English
Subject Term:
ISBN:
9780871706317
Format :
Book

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Summary

Summary

Since metal components have not stopped failing since the first edition (date unspecified), this Fort Wayne, Indiana metallurgical consultant updates his coverage of the principles of failure analysis which is compared to performing forensic autopsies and prevention. The 15 chapters address such top


Reviews 1

Choice Review

Wulpi has had more than 45 years of experience in dealing with component failures, experience reflected in his book, which clearly and concisely treats the procedures used in carrying out an analysis to establish the cause of failure of mechanical parts. A main feature of the book is the excellent collection of photographs and drawings that illustrate the principal aspects of a variety of types of failures encountered in engineering service. The topics treated include distortion failures, ductile and brittle fracture, mechanical properties, residual stresses, fatigue failure, wear failures, corrosion, and elevated temperature failures. New to this edition (1st ed., 1985) is a chapter that introduces fracture mechanics. A useful source of information on failure analysis. All levels. A. J. McEvily Jr.; University of Connecticut


Table of Contents

Preface to the Second Editionp. ix
Preface to the First Editionp. x
Chapter 1 Techniques of Failure Analysisp. 1
Procedure for Failure Analysisp. 2
Investigative Techniquesp. 3
Normal Location of Fracturep. 4
Questions to Ask about Fracturesp. 6
Summaryp. 10
Chapter 2 Distortion Failuresp. 13
Types of Distortion Failurep. 13
Temporary Distortionp. 14
Permanent Distortionp. 14
Summaryp. 19
Chapter 3 Basic Single-Load Fracture Modesp. 21
Shear Modep. 22
Cleavage Modep. 23
Other Fracture Modesp. 24
Factors Affecting the Ductile Brittle Relationshipp. 25
Summaryp. 27
Chapter 4 Stress Systems Related to Single-Load Fracture of Ductile and Brittle Metalsp. 29
Pure Loading Systemsp. 30
Tension Loadingp. 30
Torsional Loadingp. 32
Compression Loadingp. 36
Bending Loadingp. 37
Fatiguep. 37
Summaryp. 37
Chapter 5 Mechanical Propertiesp. 39
Elastic and Plastic Deformationp. 39
Effect of Temperaturep. 42
Nonlinear Behaviorp. 43
Bidirectional Stressesp. 44
Effect of Stress Concentrationsp. 46
Summaryp. 48
Chapter 6 Stress Versus Strengthp. 49
Elastic Stress Distributions for Simple Shapesp. 50
Summaryp. 59
Chapter 7 Residual Stressesp. 61
Thermal Residual Stressesp. 65
Metallurgical Residual Stressesp. 70
Mechanical Residual Stressesp. 71
Chemical Effects on Residual Stressesp. 75
Helpful Hintsp. 76
Summaryp. 79
Chapter 8 Brittle Fracturep. 83
Brittle Fracture of Normally Ductile Steelsp. 84
Characteristics of Brittle Fracturep. 88
Microstructural Aspects of Brittle Fracturep. 91
Combined Fracture Modesp. 99
Summaryp. 100
Chapter 9 Ductile Fracturep. 103
Characteristics of Ductile Fracturep. 104
Microstructural Aspects of Ductile Fracturep. 107
Cautions in Interpretationp. 114
Summaryp. 115
Chapter 10 Fatigue Fracturep. 117
Stages of Fatigue Fracturep. 118
Microscopic Characteristics of Fatigue Fracturep. 120
Macroscopic Characteristics of Fatigue Fracturep. 124
Lack of Deformationp. 124
Beachmarksp. 125
Ratchet Marksp. 126
Similarities between Striations and Beachmarksp. 128
Differences between Striations and Beachmarksp. 129
Relationship of Stress to Strength in Fatiguep. 130
Laboratory Fatigue Testingp. 134
Other Types of Fatiguep. 136
Statistical Aspects of Fatiguep. 143
Examples of Fatigue Fracturep. 144
Summaryp. 161
Chapter 11 Wear Failures--Abrasive and Adhesivep. 163
Abrasive Wearp. 164
Adhesive Wearp. 173
Fretting Wearp. 177
Summaryp. 180
Chapter 12 Wear Failures--Fatiguep. 183
Contact Stress Fatiguep. 185
Summaryp. 202
Chapter 13 Corrosion Failuresp. 205
Life Cycle of a Metalp. 206
Basic Nature of Corrosionp. 207
Galvanic Corrosionp. 207
Uniform Corrosionp. 211
Crevice Corrosionp. 213
Stress-Corrosion Crackingp. 216
Corrosion Fatiguep. 221
Summaryp. 224
Chapter 14 Elevated-Temperature Failuresp. 227
Creepp. 228
Elevated-Temperature Fatiguep. 231
Thermal Fatiguep. 233
Metallurgical Instabilitiesp. 234
Environmentally Induced Failurep. 234
Cooling Methodsp. 239
Summaryp. 241
Chapter 15 Fracture Mechanicsp. 243
Toughness and Fracture Mechanicsp. 244
Linear-Elastic Fracture Mechanicsp. 246
Modes of Loadingp. 247
Plane Strain and Plane Stressp. 248
Factors Affecting Fracture Toughnessp. 249
Crack Growthp. 251
Case History: Hydrotest Failure of a Carbon Steel Pressure Vesselp. 252
Summaryp. 255
Appendix Fracture Mechanics Conceptsp. 255
Linear-Elastic Fracture Mechanicsp. 255
Plane Strain and Plane Stressp. 257
Fracture Toughness Testingp. 258
Crack Growth: The Fracture Mechanics Approach to Fatiguep. 260
Applications of Fracture Mechanicsp. 262
Glossaryp. 267
Indexp. 281