The Physical Metallurgy of Fracture

Foreword

Preface

Acknowledgments

Committees

Nomenclature

Conversion Units

Part I. Physical Metallurgy

Session 1 — Grain Size and Precipitates


1 Effect of Prior Austenite Grain Size on the Fracture Toughness Properties of A533 Steel


2 Influence of Grain Size on the Fracture of Aluminum Alloys


3 Influence of Precracking and Grain Size on Fracture Toughness of Structural Steels


4 An Effect of the Combined Micro-Structural Size on the Tensile Fracture Strength of Two Phase Carbon Steel


5 Effective Grain Size for Cleavage Fracture in Pearlitic Eutectoid Steel


6 Observations on the Effect of Cementite Particles on the Fracture of Spheroidized Carbon Steels


7 Influence of Grain Size and Thickness of Precipitations on the Brittle Fracture of Structural Steels


8 Correlations between Crack Initiation, Propagation and Microstructure in a Medium Strength Cr-Mo-V Steel


9 The Influence of a Fine-Scale Precipitate Dispersion on Cleavage Fracture in Low Alloy Steels


10 Correlations Between Fracture Toughness, Tensile Properties, Fracture Surface Morphology and Microstructure of a High-Strength Steel


11 Microstructure, Plastic Zone Size, and Crack Propagation in Ni Steels

Session 2 — Microstructures


1 The Influence of Mn Additions on the Fracture Behavior of an Al-Mg-Si Alloy


2 Temperature Dependence of the Impact Properties of Some Aluminum Alloys Containing Low Melting Point Inclusions


3 Influence of TMT on Fracture Properties of Aluminum Alloys


4 Effect of TMT on the Toughness and Fracture Characteristics of Two Fe-Mn-Ni Alloys


5 On the Mechanism of Low Temperature Intergranular Fracture


6 The Role of Texture on Prestrain Embrittlement in Armco Iron


7 Crack Propagation in Austenitic Sheets


8 The Effect of Phase Transformation on the Tensile Fracture of Austenitic Stainless Steel


9 Effect of Tempering Treatments on the Fracture Behavior of a Cr-Mo-V Pressure Vessel Steel


10 Microscopic Inhomogeneity of Plastic Strain and Crack Propagation in Alloys

Session 3 - Brittle Fracture


1 Atomistic Simulation of the Ductile/Brittle Transition


2 Intermediate Fracture Stress and Fracture Initiation Mode Transitions in the Brittle Fracture of Structural Steels


3 Brittle Fracture Initiation Characteristics under Bi-Axial Loading


4 Assessment of Flaws in Components of Structures with Regard to Failure on the Basis of a Hypothesis for Cleavage Fracture


5 The Effect of Microstructure on Fracture of a New High Toughness Titanium Alloy


6 Tensile Yield and Fracture Behavior of Beta-III Titanium


7 On the Fracture Toughness of WC-Co Cemented Carbides


8 Precision Matching of Mating Fracture Surfaces of WC-Co Alloys


9 Fracture of WC-Co Hard Metals

Session 4 — Hydrogen, Environmental and Temper Embrittlement


1 Hydrogen Effects on Fracture of PH 13-8 Mo Steel


2 Hydrogen and Plastic Instability in Deformed, Spheroidized 1090 Steel


3 The Role of Plastic Fracture Processes in Hydrogen Embrittlement


4 Effect of Metallurgy on Stress Corrosion Cracking and Hydrogen Embrittlement of Ultra High Strength Steels


5 Gaseous Oxygen and Hydrogen Embrittlements of a U-10 Mo Alloy


6 Effects of Overload on Hydrogen Sulphide Cracking


7 Toughness Variations During the Tempering of a Plain Carbon, Martensitic Steel


8 Effects of Nickel and Antimony on Temper Embrittlement in Alloy Steels


9 An Isothermal Embrittlement Study of a Commercial 4%Ni l%Cr Steel


10 Short Rod KIC Tests of Several Steels at Temperatures to 700K


11 The Effect of Environment on Crack Growth in a Stainless Maraging Alloy


12 Fractographic Observations on Stress Corrosion Cracking of Some Face-Centered Cubic Alloys


13 The Liquid Metal Embrittlement of Zinc and Aluminum

Part II. Voids, Cavities, Forming

Session 1 — Ductile


1 Nuclei for Ductile Fracture in Titanium


2 Plastic Deformation in the Neck of α-Fe Single Crystals Leading to Fracture


3 Porous Rigid Plastic Materials Containing Rigid Inclusions; Yield Function, Plastic Potential and Void Nucleation


4 The Initiation of Cleavage by Ductile Tearing


5 Ductile Failure Criteria for Blunting Cracks


6 The Ductile Fracture Mechanism in Rare-Earth-Treated HSLA Steels


7 Ductile Fracture of Ti-5Al-2.5 Sn at Low Temperatures


8 Effects of Size of Non-Metallic Inclusions on the Ductile Fracture Behavior of Pure Iron


9 Ductile Fracture Initiation and Propagation in Ferritic S.G. Cast Iron


10 Void Growth and Localization of Shear in Plane Strain Tension


11 Necking of Elastic-Plastic Cylinders Under Uniaxial Tension

Session 2 — Forming


1 Fracture Initiation under Metal-Working Conditions


2 Fracture Initiation and Propagation during Strip Drawing


3 Chevron Fracture in Tube Reduction by Spinning


4 An Approach to a Ductility Criterion


5 A Micro-Probabilistic Approach to the Ductile Deformation and Fracture of Metals — 1. Preliminary Investigation


6 Structural Damage in Sheet Metal Forming


7 An Evaluation of the Applicability of Theoretical Analysis to the Forming Limit Diagram


8 Fracture in Textured Thin Brass Specimens


9 Correlation Between Sheet Metal Texture and Drawability for Alpha Brass


10 Anisotropic Bend Ductility in Single Phase Copper Alloys


11 A Ductile Fracture Criterion for Metals


12 Impaired Ductility in Sheared Edges of HSLA Plates

Session 3 - Creep A


1 Creep Damage and Rupture Criteria


2 Ductility and Fracture in a Superplastic Alloy


3 Factors Affecting Cavitation during Superplastic Flow


4 Fracture During Superplastic Flow of Industrial Al-Mg Alloys


5 Dynamically Loaded Cracks in Strain Rate Sensitive Materials


6 Elevated Temperature Tensile Minima in Types 304 and 316 Stainless Steel


7 Hot Ductility and Fracture Mechanisms in a Duplex Stainless Steel


8 High Temperature Properties and Fracture of 340 Alloy Steel


9 Fracture Behavior and Tensile Properties of Titanium Alloys at Elevated Temperatures

Session 4 — Creep B


1 Stress Concentrations Caused by Grain Boundary Sliding in Metals Undergoing Power-Law Creep


2 Experimental Fracture Mechanism Map for Thoria Dispersion Strengthened Nickel


3 Mechanisms of Gas Bubble Embrittlement of Metals


4 Intergranular Creep Fracture in Nimonic 80A under Conditions of Constant Cavity Density


5 A Comparison of Methods of Correlating Creep Crack Growth


6 Mechanisms of Improved Creep Rupture Lives by Re-Heat Treatments


7 The Effect of Temperature on Creep Crack Growth in a 1/2%Cr 1/2%Mo 1/4%V Steel


8 Crack Growth in Pressure Vessels under Creep Conditions


9 Micro-Structural Effects on the Creep Fracture of 1/2CrMoV Steel


10 The Mechanism of Stress Relief Cracking in Cr-Mo-V Steels

Author Index