软磁复合材料用不同纯度铁粉与工艺条件的比较
COMPARISON OF DIFFERENT PURITY IRON POWDERS AND PROCESSING CONDITIONS FOR USE IN SOFT MAGNETIC COMPOSITES
摘 要
ABSTRACT
NOMENCLATURE
LIST OF TABLES
LIST OF FIGURES
CHAPTER1 INTRODUCTION
1.1 Background
1.2 Fundaments of SMC materials
1.2.1 SMC materials
1.2.2 Preparation processes of SMCs
1.2.3 Influencing factors to SMC properties
1.3 Recent development in SMCs
1.3.1 Insulate coating technology
1.3.2 Iron powder quality
1.3.3 Compaction
1.3.4 Heat treatment
1.4 Main contents and significance of this work
CHAPTER2 MATERIALS AND EXPERIMENTAL PROCEDURE
2.1 Raw materials and sample preparation
2.1.1 Raw materials
2.1.2 Preparation of specimens
2.2 Research and characterizations
2.2.1 Research
2.2.2 Characterization
CHAPTER3 ANALYSIS OF IRON POWDER
3.1 Properties and morphology of iron powders
3.1.1 Analysis from manuals
3.1.2 Morphology of iron powder
3.2 Characterization of iron powder
3.2.1 XRD spectra analysis
3.2.2 DTA and TG analysis
3.3 Conclusions
CHAPTER4 EFFECTS OF IRON PURITY AND PROCESSIONG CONDITIONS ON COMPACTS
4.1 Compaction
4.1.1 Compaction pressure
4.1.2 Compaction mode
4.2 Heat treatment
4.2.1 Heat treating temperature
4.2.2 Holding time for annealing
4.2.3 Atmosphere
4.2.4 Deoxidization of less purity powder
4.4 Conclusions
CHAPTER5 CONCLUSION
5.1 Summary
5.2 Recommendation for future work
REFERENCES
哈尔滨工业大学硕士学位论文原创性声明
哈尔滨工业大学硕士学位论文使用授权书