Effect of Nb addition on high temperature and aged properties of FeCo based alloy

doi:10.13251/j.issn.0254-6051.2020.09.041

Abstract

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.

Key words: FeCo based soft magnet alloy, Nb addition, high temperature mechanical properties, aging treatment

CLC Number:

TK91

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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