金属学报  1986, Vol. 22 Issue (4): 102-156

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急冷BNi2条带的结构不均匀性及其晶化亚稳相

吴玉琨

中国科学院金属研究所

STRUCTURAL INHOMOGENEITY AND CRYSTALLIZED METASTABLE PHASE OF BNi2 RIBBON RAPIDLY QUENCHED FROM ITS MELT

by WU yukun (Institute of Metal Research; Academia Sinica; Shenyang)

吴玉琨. 急冷BNi2条带的结构不均匀性及其晶化亚稳相[J]. 金属学报, 1986, 22(4): 102-156.
. STRUCTURAL INHOMOGENEITY AND CRYSTALLIZED METASTABLE PHASE OF BNi2 RIBBON RAPIDLY QUENCHED FROM ITS MELT[J]. Acta Metall Sin, 1986, 22(4): 102-156.

摘要 参考文献 相关文章 Metrics 全文: PDF(2717 KB)   摘要: 利用X射线衍射及透射电镜观察到单辊急冷法制备的BNi2(～Ni_(70)Cr_7Fe_3Si_3B_(12)条带的内部为正常非晶结构,而上下表层则由具有111纤维织构的Ni固溶体组成。这种结构不均匀性可用急冷条带形成时动量传导起主要作用来解释。此外还证实了BNi2非晶合金在晶化第二阶段析出的未知亚稳相为具有100与110纤维织构的M_(28)B_6型面心立方相,点阵常数约为1.04nm。 Abstract：By using X-ray diffraction and TEM techniques, result has been shown that the inside of single roll quenched ribbon of BNi2 alloy, namely, Ni_(70)Cr_7-Fe_3Si_8B_(12) is amorphous but both the free and roll sides of this amorphous ribbon consist of Ni crystals with a preferred orientation of 111 parallel to the ribbon surface This structural inhomogeneity implys that the momentum transport mechanism plays an important role during the solidification process of this ribbon In addition, the unknown metastable phase appeared on the second stage of crystallization is a fcc phase with a≈1.04 nm of M_(23)B_6 type. 收稿日期: 1986-04-18      基金资助:中国科学院科学基金 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 吴玉琨 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1986/V22/I4/102 1 Yucker, T.R.; Ayers, T.D., Metall. Trans., 12A (1981) , 1801． 2 Nagata, K.; Hosoma, T.; Ino, H., Proc. 4th Int. Conf. on Rapidly Quenched Metals, Vol. 1 (Sendai, 1981) , Eds. Masumoto, T.; Suzuki, K., JIM, 1982, p. 635． 3 Shingu, P. H,; Kobayashi, K.; Suzuki, R., ibid., p. 57． 4 Donald, I.W., Davies, H.A., J.Mater, Sci., 15(1980) , 2754． 5 Doi, M.; Imura, T., J. Mater. Sci., 15 (1980) , 2867． 6 Ozgowicz, W.; Tyrlik-Held, J.; Thomas, G.; Zahra, A.; Le Coze, J., Scr. Metall., 17 (1983) ,295． 7 郭可信;吴玉琨;梁金忠;常昕,物理学报,32(1983) ,939． 8 Davies, H.A., Rapidly Quenched Metals Ⅲ, vl, Ed. Cantor, B., Metal Soc., London, 1978, p.1． 9 Hagiwara, M.; Inoue, A.; Tomioka, H.; Masumoto, T., Proc. 4th Int. Conf. on Rapidly Quenched Metals, Vol. 1, (Sendai, 1981) , Eds. Masumoto, T.; Suzuki, K., JIM. 1982, p. 115． 10 JCPDS卡片19-613． 11 吴玉琨,第四届全国非晶态材料和物理学术讨论会文集,1985,p.136 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed