Table of Contents Preface Chapter 1. Stress corrosion behavior of high manganese steel in polluted marine atmospheric environments 1.1 Introduction 1.2 Early corrosion initiation behavior of composite inclusions in high manganese steel 1.2.1 Materials and Methods 1.2.1.
1 Materials and Solutions 1.2.1.2 Material Microstructure Characterization 1.2.1.3 Electrochemical Testing 1.2.
1.4 Microcellular surface potential measurements 1.2.1.5 In-situ immersion test for inclusions 1.2.2 Physicochemical properties and corrosion localized corrosion 1.2.
2.1 Physicochemical properties of high manganese steel 1.2.2.2 Typical inclusions morphology and micro-zone electrochemistry in high manganese steel 1.2.2.3 Micro-corrosion of Inclusion Areas 1.
3 Corrosion Behavior and Mechanism of High-Manganese Steel in Environments Containing Sulfur and Chloride 1.3.1 Materials and Methods 1.3.1.1 Materials 1.3.1.
2 Cyclic immersion acceleration test 1.3.1.3 Analysis of Corrosion Products 1.3.1.4 Rust layer electrochemical testing 1.3.
2 Corrosion behaviour and electrochemical characteristics 1.3.2.1 Corrosion weight loss and corrosion rate 1.3.2.2 Analysis of corrosion products 1.3.
2.3 Analysis of Corrosion Morphology 1.3.2.4 Electrochemical Analysis of Rust Layer 1.3.3 Corrosion mechanism 1.4 Research on the Stress Corrosion Cracking Behavior and Mechanism of High-Manganese Steel in Sulfur-and Chloride-Containing Environments 1.
4.1 Materials and Methods 1.4.1.1 Materials 1.4.1.2 Constant load U-bend circumferential dip test 1.
4.1.3 Slow Strain Rate Tensile Test 1.4.2 Stress corrosion behaviour 1.4.2.1 Behavioral analysis of high manganese steel U-bend SCC 1.
4.2.2 Analysis of Stress-Strain Curves for High-Manganese Steel 1.4.2.3 Analysis of Fracture Morphology of High-Manganese Steel 1.4.3 Stress Corrosion Cracking Mechanism 1.
5 Chapter Summary Chapter 2. Corrosion fatigue behavior of high manganese steel in atmospheric environment 2.1 Introduction 2.2 Early corrosion budding behavior of high manganese steel in simulated atmospheric environment 2.2.1 Experimental Materials and Methods 2.2.1.
1 Materials and solutions 2.2.1.2 Experimental Method 2.2.2 Material Basis Properties and Localized Corrosion Emergence Behaviour 2.2.2.
1 Microstructure and mechanical properties 2.2.2.2 Morphology and properties of typical inclusions 2.2.2.3 Inclusions induce corrosion initiation 2.3 Corrosion Laws and Mechanisms of High-Manganese Steel in Simulated Atmospheric Environments 2.
3.1 Experimental Materials and Methods 2.3.1.1 Materials 2.3.1.2 Cyclic wetting and drying experiment 2.
3.1.3 Electrochemical Testing 2.3.1.4 Analysis of Corrosion Products 2.3.2 Corrosion behaviour and characteristics 2.
3.2.1 Corrosion Weight Loss and Corrosion Rate 2.3.2.2 Analysis of Rust Layer Cross-Section 2.3.2.
3 Rust Layer Products Characteristics 2.3.2.4 Electrochemical Analysis of Rust Layers 2.3.2.5 Corrosion Morphology 2.3.
3 Corrosion Electrochemical Processes of High-Manganese Steel 2.4 Corrosion Fatigue Laws and Mechanisms of High-Manganese Steel in Simulated Atmospheric Environments 2.4.1 Experimental Materials and Methods 2.4.1.1 Materials 2.4.
1.2 Axial stress corrosion fatigue experiment 2.4.1.3 Characterization of Corrosion Fatigue Cracks 2.4.2 Electrochemical properties and corrosion fatigue behaviour 2.4.
2.1 Electrochemical Testing 2.4.2.2 Corrosion Fatigue Behavior 2.4.2.3 Morphology of Corrosion Fatigue Fracture Surface 2.
4.2.4 Analysis of Secondary Cracks Due to Corrosion Fatigue 2.4.3 Corrosion Fatigue Mechanism of High-Manganese Steel in Simulated Atmospheric Environments 2.5 Chapter Summary Chapter 3. Effect of microalloying elements on the corrosion resistance of low density steel 3.1 Introduction 3.
2 Effect of Cr and Ni on corrosion resistance of Fe-Mn-Al-C low density high strength steel 3.2.1 Materials and Methods 3.2.1.1 Materials 3.2.1.
2 Characterization of Experimental Materials'' Microstructure 3.2.1.3 Accelerated Indoor Simulation of Marine Atmospheric Environment Experiments 3.2.1.4 Analysis of Corrosion Products and Morphology of Specimens after Rust Removal 3.2.
1.5 Macroelectrochemical Testing at the Initial Stage of Corrosion 3.2.1.6 Macroelectrochemical Experiments for Short-Term Immersion 3.2.1.7 Real-Time Corrosion Monitoring Experiment for Short-Term Immersion 3.
2.1.8 Random Forest Modeling Analysis 3.2.2 Basic material properties and corrosion behaviour 3.2.2.1 Microstructure Analysis 3.
2.2.2 Density and Mechanical Properties Analysis 3.2.2.3 Corrosion Morphology 3.2.2.
4 Corrosion Kinetics Analysis 3.2.2.5 Macroelectrochemical properties 3.2.3 Study on dynamic corrosion process of Fe-Mn-Al-C Low-Density Steel by alloying elements 3.2.3.
1 Real-Time Monitoring and Analysis of Short-Term Immersion Corrosion 3.2.3.2 Random Forest Modeling Analysis 3.3 Effect of Cr-Ni Microalloying on the Corrosion Resistance of Fe- Mn-Al-C Low-Density Steel with heat-treatment 3.3.1 Materials and Methods 3.3.
1.1 Materials 3.3.1.2 Microstructure characterization 3.3.1.3 Mechanical Performance Testing 3.
3.1.4 Immersion test 3.3.1.5 Periodic Immersion Experiment 3.3.1.
6 Corrosion Morphology and Corrosion Product Analysis 3.3.1.7 Macroelectrochemical Experiment 3.3.1.8 Thermodynamic Calculations 3.3.
1.9 Immersion Corrosion Real-Time Experiment 3.3.1.10 Random Forest Modeling Analysis 3.3.2 Characterisation of basic properties and corrosion behaviour 3.3.
2.1 Microstructure 3.3.2.2 Mechanical Properties 3.3.2.3 Corrosion Morphology 3.
3.2.4 Corrosion Rate 3.3.2.5 Corrosion Product 3.3.2.
6 Electrochemical properties 3.3.2.7 Thermodynamic Calculation Analysis 3.3.3 Corrosion mechanism of heat-treated Low-Density Steel with addiction of Alloying Elements 3.3.4 Analysis of Corrosion Model for Fe-Mn-Al-C Type Low- Density Steel Based on Corrosion Big Data 3.
3.4.1 Dynamic corrosion current 3.3.4.2 Random Forest Modeling Analysis 3.3.4.
3 Validation of Random Forest Prediction Data 3.3.4.4 Analysis of Feature Variable Correlation 3.4 Chapter Summary Chapter 4. Interaction of Multiple Corrosion Modes 4.1 Introduction 4.2 Corrosion Mechanism of TA2/Q345B Composite Plate 4.
2.1 Materials and Methods 4.2.1.1 Material Preparation 4.2.1.2 Crystallographic Information and Microstructural Analysis 4.
2.1.3 Electrochemical Testing 4.2.1.4 Immersion Testing 4.2.1.
5 Micro-Region Electrochemical Testing 4.2.1.6 Thermodynamic Calculations 4.2.2 Corrosion Behaviour of TA2/Q345B Composite Plates 4.2.2.
1 Microstructure of TA2/Q345B Composite Plate 4.2.2.2 Corrosion Resistance of Titanium-Steel Composite Plates 4.2.2.3 Surface Morphology of Titanium-steel composite Samples After Immersion Test 4.2.
2.4 The Localized Electrochemical Properties Associated with the Inclusion of Al2O3*MnS 4.2.3 Corrosion Mechanism 4.3 Degradation Process of TA2/Q345B Composite Sheet in Synthetic Contaminated Seawater Environment 4.3.1 Materials and Methods 4.3.
1.2 Analysis of Corrosion Morphology and Corrosion Products 4.3.1.3 Weight Loss Calculation 4.3.1.4 Electrochemical Testing 4.
3.2 Corrosion Behaviour of TA2/Q345B Composite Plates in Polluted Marine Solutions 4.3.2.1 Surface Morphology Observation After Immersion Experiments 4.3.2.2 Corrosion Morphology of Point Defects in Titanium-Steel Composite Plates 4.
3.2.3 Influence of Point Defects on the Corrosion Rate of Titanium-Steel Composite Plates in Simulated Marine Solution 4.3.3 Galvanic Current and Galvanic Potential in Simulated Polluted Marine Solution 4.3.4 Effect of Linear Defects on the Corrosion Rate of Titanium-Steel Composite Plates 4.3.
4.1 Corrosion Product Analysis After Immersion Experiments 4.3.4.2 The Corrosion Kinetics of Titanium-Steel Composite Plates in a Marine Environment 4.3.4.3 Corrosion Resistance of Titanium-Steel Composite Plates in a Polluted Marine Environment 4.
3.5 Corrosion Mechanism 4.4 Chapter Summary Chapter 5. Effects of Corrosion Inhibitors and Flow rate on the Corrosion Resistance of Ductile Iron Pipes 5.1 Introduction 5.2 Study on the Difference of Microstructure and Corrosion Resistance 5.2.1 Experimental Materials and Methods 5.
2.2 Material Structure Characterization Analysis 5.3 Corrosion Resistance Difference of Materials in Simulated Solution 5.3.1 Experimental Materials and Methods 5.3.1.1 Materials and Solutions 5.
3.1.2 Electrochemical Test 5.3.2 Study on the Difference of Corrosion Resistance of Materials in the Environment without Corrosion Inhibitor 5.3.2.1 Open Circuit Potential Analysis 5.
3.2.2 Polarization Curve Analysis 5.3.2.3 Electrochemical Impedance Spectroscopy Analysis 5.3.3 Effect of Environmental Factors on Corrosion Kinetics of Ball- milled Cast Iron in Corrosion Inhibitor-free Solution 5.
3.4 Corrosion Resistance of Materials in Corrosion Inhibitor Environment 5.3.4.1 Corrosion Resistance of Three Materials under the Environment.