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Radial cracks and fracture mechanism of radially oriented ring 2:17 type SmCo magnets
Radially oriented ring 2:17 type SmCo magnets have different microstructure in the radial direction (easy magnetization) and axial direction (hard magnetization). The structure of the cross-section in radial direction is close-packed atomic plane, which shows cellular microstructure. The microstruct...
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| Published in: | Journal of alloys and compounds 2009-05, Vol.476 (1), p.98-101 |
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| Main Authors: | , , , , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c370t-2b79117e8983a55a8c83c92be007fb52ab678671ce50ac7e553214a8a2f1e2c13 |
| container_end_page | 101 |
| container_issue | 1 |
| container_start_page | 98 |
| container_title | Journal of alloys and compounds |
| container_volume | 476 |
| creator | Tian, Jianjun Pan, Dean Zhou, Hao Yin, Fuzheng Tao, Siwu Zhang, Shengen Qu, Xuanhui |
| description | Radially oriented ring 2:17 type SmCo magnets have different microstructure in the radial direction (easy magnetization) and axial direction (hard magnetization). The structure of the cross-section in radial direction is close-packed atomic plane, which shows cellular microstructure. The microstructure of the cross-section in axial direction consists of a mixture of rhombic microstructure and parallel lamella phases. So the magnets have obvious anisotropy of thermal expansion in different directions. The difference of the thermal expansion coefficients reaches the maximum value at 830–860
°C, which leads to radial cracks during quenching. The magnets have high brittlement because there are fewer slip systems in crystal structure. The fracture is brittle cleavage fracture. |
| doi_str_mv | 10.1016/j.jallcom.2008.08.048 |
| format | article |
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°C, which leads to radial cracks during quenching. The magnets have high brittlement because there are fewer slip systems in crystal structure. The fracture is brittle cleavage fracture.</description><subject>2:17 type SmCo magnets</subject><subject>Anisotropy</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Fracture mechanism</subject><subject>Physics</subject><subject>Radial cracks</subject><subject>Radially oriented ring</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Structure of specific crystalline solids</subject><subject>Thermal expansion; thermomechanical effects and density</subject><subject>Thermal properties of condensed matter</subject><subject>Thermal properties of crystalline solids</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LJDEQhsOisKPuT1jIxb31mI9OJ-1FZHBVEARdz6GmutrN2B-zSY8w_34zzuBVKKg6PG8V9TD2U4q5FLK6WM1X0HU49nMlhJvvqnTf2Ew6q4uyquojNhO1MoXTzn1nJymthBCy1nLGXp6gCdBxjIBvicPQ8DaP0yYS7wn_whBSz8eWxw-u2_IxBhomangMwytXl9Lyabsm_twvRt7D60BTOmPHLXSJfhz6KXv5ffNncVc8PN7eL64fCtRWTIVa2lpKS652GowBh05jrZYkhG2XRsGysq6yEskIQEvGaCVLcKBaSQqlPmW_9nvXcfy3oTT5PiSkroOBxk3yutQ6KzEZNHsQ45hSpNavY-ghbr0UfifRr_xBot9J9LsqXc6dHw5AQuiymgFD-gwraXQWKzJ3tecof_seKPqEWRNSEyLh5JsxfHHpP0e6iZ8</recordid><startdate>20090512</startdate><enddate>20090512</enddate><creator>Tian, Jianjun</creator><creator>Pan, Dean</creator><creator>Zhou, Hao</creator><creator>Yin, Fuzheng</creator><creator>Tao, Siwu</creator><creator>Zhang, Shengen</creator><creator>Qu, Xuanhui</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090512</creationdate><title>Radial cracks and fracture mechanism of radially oriented ring 2:17 type SmCo magnets</title><author>Tian, Jianjun ; Pan, Dean ; Zhou, Hao ; Yin, Fuzheng ; Tao, Siwu ; Zhang, Shengen ; Qu, Xuanhui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-2b79117e8983a55a8c83c92be007fb52ab678671ce50ac7e553214a8a2f1e2c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>2:17 type SmCo magnets</topic><topic>Anisotropy</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Fracture mechanism</topic><topic>Physics</topic><topic>Radial cracks</topic><topic>Radially oriented ring</topic><topic>Structure of solids and liquids; crystallography</topic><topic>Structure of specific crystalline solids</topic><topic>Thermal expansion; thermomechanical effects and density</topic><topic>Thermal properties of condensed matter</topic><topic>Thermal properties of crystalline solids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tian, Jianjun</creatorcontrib><creatorcontrib>Pan, Dean</creatorcontrib><creatorcontrib>Zhou, Hao</creatorcontrib><creatorcontrib>Yin, Fuzheng</creatorcontrib><creatorcontrib>Tao, Siwu</creatorcontrib><creatorcontrib>Zhang, Shengen</creatorcontrib><creatorcontrib>Qu, Xuanhui</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tian, Jianjun</au><au>Pan, Dean</au><au>Zhou, Hao</au><au>Yin, Fuzheng</au><au>Tao, Siwu</au><au>Zhang, Shengen</au><au>Qu, Xuanhui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radial cracks and fracture mechanism of radially oriented ring 2:17 type SmCo magnets</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2009-05-12</date><risdate>2009</risdate><volume>476</volume><issue>1</issue><spage>98</spage><epage>101</epage><pages>98-101</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Radially oriented ring 2:17 type SmCo magnets have different microstructure in the radial direction (easy magnetization) and axial direction (hard magnetization). The structure of the cross-section in radial direction is close-packed atomic plane, which shows cellular microstructure. The microstructure of the cross-section in axial direction consists of a mixture of rhombic microstructure and parallel lamella phases. So the magnets have obvious anisotropy of thermal expansion in different directions. The difference of the thermal expansion coefficients reaches the maximum value at 830–860
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| ispartof | Journal of alloys and compounds, 2009-05, Vol.476 (1), p.98-101 |
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| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | 2:17 type SmCo magnets Anisotropy Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Fracture mechanism Physics Radial cracks Radially oriented ring Structure of solids and liquids crystallography Structure of specific crystalline solids Thermal expansion thermomechanical effects and density Thermal properties of condensed matter Thermal properties of crystalline solids |
| title | Radial cracks and fracture mechanism of radially oriented ring 2:17 type SmCo magnets |
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