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Fe-Ga合金微结构与磁致伸缩的关系研究

Acknowledgement第6-7页
Dedication第7-8页
Abstract第8-10页
摘要第11-20页
1 Introduction第20-50页
    1.1 Background第20-30页
    1.2 Magnetostriction and the proposed mechanisms for Fe-Ga alloy第30-35页
    1.3 Investigations on the thermal history sensitivity of magnetostriction第35-47页
    1.4 Motivation第47-50页
2 Experimental Techniques第50-60页
    2.1 Sample Preparation and heat-treatments第50-53页
        2.1.1 Preparation of polycrystalline sample第50-51页
        2.1.2 Heat-Treatments第51-53页
    2.2 Microstructure Characterizations第53-56页
        2.2.1 X-ray diffraction (XRD)第53-55页
        2.2.2 Transmission Electron Microscopy (TEM)第55-56页
    2.3 Magnetic measurements第56-58页
    2.4 Mechanical tests第58-60页
3 Microstructural origin of the thermal history sensitivity in slowly cooled FesiGai9第60-79页
    3.1 Introduction第60-62页
    3.2 Experimental Procedure第62-64页
    3.3 Results and Discussion第64-78页
        3.3.1 Magnetostrictive Properties第64-66页
        3.3.2 Microstructure第66-76页
        3.3.3 Discussion第76-78页
    3.4 Conclusion第78-79页
4 Search for maximum magnetostriction in Fe_(81)Ga_(19) by quenching above and below thedecomposition phase boundary第79-95页
    4.1 Introduction第79-81页
    4.2 Experimental Procedure第81-82页
    4.3 Results and discussion第82-93页
        4.3.1 Magnetostrictive properties第82-86页
        4.3.2 Microstructure第86-89页
        4.3.3 Mechanical Properties第89-91页
        4.3.4 Discussion第91-93页
    4.4 Conclusions第93-95页
5 Enhanced magnetostriction of Fe_(81)Ga_(19) hot-rolled sheets by approaching an instablephase boundary第95-107页
    5.1 Introduction第95-96页
    5.2 Experimental Procedure第96-97页
    5.3 Results and Discussion第97-106页
    5.4 Conclusions第106-107页
6 Conclusions and Perspectives第107-110页
    6.1 Conclusions第107-109页
    6.2 Perspectives第109-110页
References第110-124页
Publication list第124-125页
Curriculum vitae第125页

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