| Nb添加对FeCo基合金高温性能与时效态性能的影响 |
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| 引用本文： | 王东玲,王炫东,张敬霖,于一鹏,张建福.Nb添加对FeCo基合金高温性能与时效态性能的影响[J].金属热处理,2020,45(9):223-226. |
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| 作者姓名： | 王东玲 王炫东 张敬霖 于一鹏 张建福 |
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| 作者单位： | 钢铁研究总院 功能材料研究所,北京 100081 |
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| 摘 要： | 对Fe-49Co-2V和Fe-49Co-2V-0.3Nb两种合金室温与高温时的磁性能和力学性能进行了测试。结果发现:与室温磁性能相比,两种合金在高温下的饱和磁化强度Bs与矫顽力Hc均降低;与室温力学性能相比,两种合金在500 ℃时的高温抗拉强度都有所增加,其中 Nb元素的添加使合金力学性能强化的效果十分明显。两种合金经500 ℃时效处理168 h后,Fe-49Co-2V-0.3Nb合金经过高温时效后依然能保证具有良好的力学性能,添加了Nb元素后有助于改善合金的高温时效稳定性。
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| 关 键 词： | FeCo基软磁合金 Nb添加 高温力学性能 时效处理 |
| 收稿时间： | 2020-03-21 |
Effect of Nb addition on high temperature and aged properties of FeCo based alloy |
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| Wang Dongling,Wang Xuandong,Zhang Jinglin,Yu Yipeng,Zhang Jianfu.Effect of Nb addition on high temperature and aged properties of FeCo based alloy[J].Heat Treatment of Metals,2020,45(9):223-226. |
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| Authors: | Wang Dongling Wang Xuandong Zhang Jinglin Yu Yipeng Zhang Jianfu |
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| Affiliation: | Functional Matenials Research Institute,Central Iron and Steel Research Institute,Bejing 100081,China |
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| Abstract: | Magnetic properties and mechanical properties of Fe 49Co-2V and Fe 49Co-2 V_0.3Nb alloys were measured at room temperature and high tempernature,respectively.The results show that the saturation magnetization B。and coercivity H。of both alloys decrease compared with room tempera ture,and tensile strength at 500 C of two kinds of alys is improved comparing with room temperature.The strengthening effct of Nb addition on mechanical properties is obvious.It is found that Fe 49Co-2V 0.3Nb alloy still has good mechanical properties after ageing at 500 C for 168 h.The addition Nb is helpful for the stabilty of high tempenature aging. |
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| Keywords: | FeCo based soft magnet alloy Nb addition high temperature mechanical properties aging treatment |
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