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| TEMPERATURE DEPENDENCE OF CHANGE OF BORIDE IN Fe_(70)Cr_(18)Mo_2 SiB_9 |
| LIN Yijian;HU Jian;YOU Yunlong;JING Chunyong;YU Quanqin Shanghai Iron and Steel Research Institute LIN Yijian;Measuring and Testing Centre; Shanghai Iron and Steel Research Institute; Shanghai 200940 |
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Cite this article:
LIN Yijian;HU Jian;YOU Yunlong;JING Chunyong;YU Quanqin Shanghai Iron and Steel Research Institute LIN Yijian;Measuring and Testing Centre; Shanghai Iron and Steel Research Institute; Shanghai 200940. TEMPERATURE DEPENDENCE OF CHANGE OF BORIDE IN Fe_(70)Cr_(18)Mo_2 SiB_9. Acta Metall Sin, 1989, 25(6): 120-125.
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Abstract The formation of borides M_2B, M_3B_2 and M_(23)B_6 may be carried outfrom the melt-quenched Fe_(70)Cr_(18)Mo_2SiB_9 during 700-1150℃ annealing. As the tem-perature raising, the M_2B, the majority being Fe_2B, may be gradually replaced byCr_2B via the co-existence between Fe_2B and Cr_2B. The Cr_2B may be formed by transformation of Fe_2B through the atomic substitution and structural adjustment. Thethin slice of remaining Fe_2B is sandwiched between (100) faces of (Cr,Fe)_2B asstacking fault. The M_3B_2 is virtually composed of the Mo_(1+x)(Fe,Cr)_(2-x)B_2 where x(0≤x≤1) increases with the increase of temperature.
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Received: 18 June 1989
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