By Shuming Pan
The technique of hot temperature part transition of infrequent earth permanent-magnet alloys is printed through images taken by means of excessive voltage TEM. the connection among the formation of nanocrystal and magnetic houses is mentioned intimately, which results alloys composition and guidance process.
The scan effects demonstrated a few presumptions, and have been necessary for next clinical examine and growing new permanent-magnet alloys.
The e-book is meant for researchers, engineers and executives within the box of fabric technology, metallurgy, and physics.
Prof. Shuming Pan is senior engineer of Beijing normal study Institute of Non-ferrous Metal.
Read or Download Rare Earth Permanent-Magnet Alloys’ High Temperature Phase Transformation: In Situ and Dynamic Observation and Its Application in Material Design PDF
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Additional info for Rare Earth Permanent-Magnet Alloys’ High Temperature Phase Transformation: In Situ and Dynamic Observation and Its Application in Material Design
Journal of Materials Science & Technology, 5: 442 Pan Shuming, Zhang Xiansheng (1990) New development and countermeasure of research and application of Nd-Fe-B permanent magnetic material. Alloy Corpus for Electrical Engineering, 1990: 8 (Internal Material) (in Chinese) Qi Zhengfeng (2003) Diffusion and phase transformation in solid metals. China Machine Press, Beijing: 23 Shi Changxu (1994) Big thesaurus of material. Chemical Industry Press, Beijing: 10171019 Shi Changxu (2004) Alloy phase and phase transformation.
3. Non-diffusion phase transformation has unchanged composition; cooperated transfer relies on displacement movement of interface. 4. Gliding interface constituted by Shockley displacement, stowing sequence in dense alignment lattice is ABCABC on fcc lattice of dense alignment face, and on dense alignment face of hcp lattice stowing sequence is ABABAB. Actually there is stowed layer displacement in crystals and displacement exists at the edge of layer displacement, as shown in Fig. 7 as follows.
Further discussions were carried out on the preparation principle and process, composition and process innovation, and crucial material preparation technique of the alloy and their influence on performance and microtexture of SmCo5 permanent magnetic alloy. 5K. 1 High temperature Phase Transition and Magnetic Properties of SmCo5 Permanent-magnet Alloys For magnetic scientists who are engaged in the investigation and development of magnetic materials, it is very interested in the relationship between the high temperature phase transition and coercivity for SmCo5 permanent-magnet alloys.
Rare Earth Permanent-Magnet Alloys’ High Temperature Phase Transformation: In Situ and Dynamic Observation and Its Application in Material Design by Shuming Pan