Preface xvii
1 Corrosive Environments and Types of Steel 1
1.1 Introduction 1
1.2 Natural Corrosive Environments 1
1.3 Industrial Corrosive Environments 6
1.4 Uniform Corrosion and Localized Corrosion 8
1.5 Corrosion Under Stress 18
1.6 Corrosion in the Natural Environment 32
1.7 Chapter Summary 44
References 46
2 Microelectrochemical Mechanisms of Pitting Corrosion Induced by Inclusions in Stainless Steel 49
2.1 Introduction 49
2.2 Mechanism of on the MnS-Te Localized Corrosion Resistance of 15-5PH Stainless Steel 50
2.3 Mechanism of the RE-Te Composite Inclusions Localized Corrosion Resistance of 316L Stainless Steel 63
2.4 Chapter Summary 81
References 82
3 Effect of Rare Earth on the Mechanism of Localized Corrosion Induced by Inclusions in Low-Alloy Steel 89
3.1 Introduction 89
3.2 Mechanism of Al 2 O 3 -Triggered Localized Corrosion in Q460NH Steel 90
3.3 Mechanism of Localized Corrosion Induced by RE Modified Inclusion in Q460NH Steel 101
3.4 Mechanism of Localized Corrosion Induced by Zr-Ti-RE-Regulated Inclusions in Q460NH Steel 120
3.5 Chapter Summary 130
References 131
4 Coupling Mechanism of Multicomponent Alloy Regulation Effect on Inclusion-Induced Localized Corrosion in Ca-Treated E690 Steel 135
4.1 Introduction 135
4.2 Investigation into the Mechanism of Localized Corrosion Triggered by TiN Inclusions in E690 Steel 136
4.3 Mechanism of the Ca, Mg, Te Alloy Effect on the Localized Corrosion in E690 Steel 150
4.4 Effect of Ca, Sb Elements on the Localized Corrosion Mechanism Induced by Inclusion in E690 Steel Under Tropical Marine Atmosphere 167
4.5 Effect of Ca/Mg Elements on the Localized Corrosion by Inclusion of E690 Steel in Tropical Marine Atmosphere 178
4.6 Summary of Microscopic Mechanism of Corrosion Initiation of Steel Triggered by Inclusions 196
4.7 Chapter Summary 200
References 202
5 Effect of Microstructure Coarsening on the Corrosion Resistance of Steel 205
5.1 Introduction 205
5.2 Influence of Microstructure on the Corrosion Resistance of E 690 Steel 206
5.3 Influence of Microstructure on the Corrosion Resistance of X 80 Steel 222
5.4 Chapter Summary 256
References 257
6 Coupled Mechanism of Inclusions and Microstructure Effect on Corrosion Initiation and Development in Steel 261
6.1 Introduction 261
6.2 Influence of Microstructure on the Corrosion Resistance of 15-5PH Stainless Steel 262
6.2.1 Material and Methods 262
6.3 Influence of Microstructure on the Corrosion Resistance of Q 460 Steel 277
6.4 Chapter Summary 302
References 303
7 Effect of Microalloying Elements on the Corrosion Resistance of E690 Steel 309
7.1 Introduction 309
7.2 Effect and Underlying Mechanisms of Ca and Sb Elements on the Corrosion Resistance of E690 Steel in a Tropical Marine Atmosphere 310
7.3 New Understanding of the Formation and Protectiveness of Corrosion Product Film on Ca-Sb-Cr -Alloyed 690MPa Weathering Steel 331
7.4 Chapter Summary 345
References 346
8 Effect of Cu on the Microbial Corrosion Resistance of Low-Alloy Structural Steel 351
8.1 Introduction 351
8.2 Effect of Cu on the Microbial Corrosion Resistance of Low-Alloy Structural Steel 351
8.3 Chapter Summary 369
References 370
9 Influence of Environmental Factors on the Susceptibility of Pipeline Steel to Stress Corrosion 371
9.1 Introduction 371
9.2 Impact of Strain Rate on the Corrosion Behavior of X80 Steel Under Disbonded Coating in Acidic Soil Environment 372
9.3 SCC Mechanism of X80 Pipeline Steel in Trapped Solution Systems 381
9.4 Chapter Summary 405
References 405
10 Influence of Metallurgical Factors on the Susceptibility of Pipeline Steel to Hydrogen-Induced Stress Corrosion Cracking 413
10.1 Introduction 413
10.2 Effect of Magnesium Treatment on Microstructure and Hydrogen Capture of Inclusions in X70 Pipeline Steel 414
10.3 Effect of Magnesium-Modified Inclusions on the Stress Corrosion Resistance of X70 Pipeline Steel 429
10.4 Chapter Summary 439
References 441
11 Mechanism and Law of Cr and Rare Earth Elements on the Corrosion Resistance of Low-Alloy Rebar 445
11.1 Introduction 445
11.2 The Influence of Cr-RE on the Corrosion Behavior Under Carbonation Environment 446
11.3 Electrochemical Properties and Corrosion Behavior of Rebar in a Coupled Cl ¿ /SO 2¿4 Environment 469
11.4 Chapter Summary 495
References 496
12 Influence of Shrinkage Defects on Corrosion Behavior and Mechanism of Ductile Iron Pipe 505
12.1 Introduction 505
12.2 Study on the Influence Mechanism of Graphite and Defects on the Corrosion of Ductile Iron 506
12.3 Kinetics Study of Shrinkage Defects: In Situ Observation 516
12.4 Smart Corrosion Analysis and Lifespan Forecasting for Ductile Iron Pipeline Systems 525
12.5 Chapter Summary 546
References 547
Index 553
