首页--工业技术论文--金属学与金属工艺论文--金属学与热处理论文--金属材料论文--有色金属及其合金论文--轻有色金属及其合金论文

Investigation on Microstructural Evolution and Mechanical Property Relationship of a New Beta Ti-2Al-9.2Mo-2Fe Alloy

Abstract第5-8页
TABLE OF CONTENTS第9-12页
CHAPTER 1 INTRODUCTION第12-15页
CHAPTER 2 THEORETICAL BACKGROUND第15-60页
    2.1 Physical Metallurgy of Titanium Alloy第16-24页
        2.1.1 Fundamental Characteristic of Titanium第16-18页
        2.1.2 Classification of Titanium Alloy第18-22页
        2.1.3 Alloying第22-24页
    2.2 Phase Transformations in Titanium Alloy第24-31页
        2.2.1 Diffusional Transformation(β→α)第25-27页
        2.2.2 Shear Transformation(β→α',α")第27-28页
        2.2.3 Shuffle Transformation(β→ω)第28-30页
        2.2.4 Spinodal Decomposition(β→β'+β")第30-31页
    2.3 Thermomechanical Processing of Beta Titanium Alloy第31-38页
        2.3.1 Hot Deformation in the β Phase Field第32-36页
        2.3.2 Hot Deformation in the α/β Phase Field第36-38页
    2.4 Heat Treatment of Beta Titanium Alloy第38-43页
        2.4.1 Solution Treatment第39-40页
        2.4.2 Aging第40-43页
    2.5 Strengthening Mechanism of β Titanium Alloy第43-46页
        2.5.1 Solid Solution Strengthening第44页
        2.5.2 Work Hardening第44-45页
        2.5.3 Grain Refinement Strengthening第45页
        2.5.4 Precipitation Hardening第45-46页
    2.6 Alloy Design Theory第46-51页
        2.6.1 Mo and Al Equivalent第46-47页
        2.6.2 β-Phase Stability Coeffcient第47页
        2.6.3 Electron/Atom Ratio (e/a)第47-48页
        2.6.4 Molecular Orbital Calculation of Electronic Structure (Bo-Md)第48-51页
        2.6.5 Discrete Variational Cluster Method, DVM第51页
    2.7 Progress on Titanium Spring第51-60页
CHAPTER 3 ALLOY DESIGN OF BETA TITANIUM ALLOY第60-82页
    3.1 Alloy Design of Ti-Al-Mo-Fe Alloys with Low Modulus and High Strength第61-70页
        3.1.1 Elastic Modulus of Titanium Alloys第62-65页
        3.1.2 Alloy Design based on the Bo-Md Method第65-66页
        3.1.3 Modulus Prediction第66-70页
    3.2 Property Optimization of Pre-designed Ti-Al-Mo-Fe Alloys第70-79页
        3.2.1 Material and Experimental Procedure第70-72页
        3.2.2 Microstructure and XRD analysis第72-76页
        3.2.3 Mechanical Property第76-79页
    3.3 Conclusions第79-82页
CHAPTER 4 MICROSTRUCTURAL EVOLUTION AND FLOW BEHAVIORDURING HOT DEFORMATION第82-110页
    4.1 Material and Experimental第83-85页
        4.1.1 Material第83-84页
        4.1.2 Experimental第84-85页
    4.2 Microstructural Evolution第85-98页
        4.2.1 α+β Phase Region Processing第85-89页
        4.2.2 β Phase Region Processing第89-92页
        4.2.3 EBSD Observation第92-98页
    4.3 Flow Behavior第98-101页
    4.4 Kinetic Analysis第101-104页
    4.5 Processing Map第104-107页
    4.6 Conclusions第107-110页
CHAPTER 5 MICROSTRUCTURAL EVOLUTION DURING HEAT TREATMENT第110-164页
    5.1 Material and Experimental第111-114页
    5.2 Recrystallization Behavior and Grain Growth kinetics第114-127页
        5.2.1 Microstructural Evolution第114-120页
        5.2.2 Uniformity of β Grain Size第120-122页
        5.2.3 Grain Growth Kinetics第122-127页
    5.3 Beta Decomposition during Cooling第127-137页
        5.3.1 Phase Transformation第127-130页
        5.3.2 Microstructural Evolution第130-137页
    5.4 Beta Decomposition during Aging第137-158页
        5.4.1 Phase Transformation第137-143页
        5.4.2 Microstructural Evolution第143-158页
    5.5 Establishment of TTT Diagram第158-159页
    5.6 Conclusions第159-164页
CHAPTER 6 AGE HARDENING BEHAVIOR AND MICROSTRUCTURE-PROPERTY RELATIONSHIP第164-190页
    6.1 Experimental第165-166页
    6.2 Age Hardening Behavior第166-171页
        6.2.1 Low Temperature Aging第167-169页
        6.2.2 Moderate Temperature Aging第169-170页
        6.2.3 Elevated Temperature Aging第170-171页
    6.3 Microstructure-Property Relationship第171-186页
        6.3.1 α/β and β Solution Treatment第172-177页
        6.3.2 α/β-ST plus Aging第177-180页
        6.3.3 β-ST plus Aging第180-183页
        6.3.4 Fracture Morphology第183-186页
    6.4 Conclusions第186-190页
CHAPTER 7 SUMMARIES AND FUTURE WORK第190-194页
Dedication第194-195页
Research Publications第195-196页
Conferences第196-197页
ACKONWLEADGEMENTS第197页

论文共197页,点击 下载论文
上一篇:BAI-1在膀胱癌中的表达及对肿瘤血管抑制作用的研究
下一篇:老年健康志愿者及老年冠心病人群应用阿司匹林的群体药代动力学及药效学研究