Acta Metall Sin  1993, Vol. 29 Issue (12): 39-46    DOI:

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HIGH RESOLUTION ELECTRON MICROSCOPIC STUDY OF IMMISCIBLE Cu-Fe SYSTEM DURING MECHANICAL ALLOYING

WU Yukun;HUANG Jianyu;HE Anqiang;HU Kuiyi;MENG Xiangmin Laboratory of Atomic Imaging of Solids; Institute of Metal Research; Academia Sinica; Shenyang

WU Yukun;HUANG Jianyu;HE Anqiang;HU Kuiyi;MENG Xiangmin Laboratory of Atomic Imaging of Solids; Institute of Metal Research; Academia Sinica; Shenyang. HIGH RESOLUTION ELECTRON MICROSCOPIC STUDY OF IMMISCIBLE Cu-Fe SYSTEM DURING MECHANICAL ALLOYING. Acta Metall Sin, 1993, 29(12): 39-46.

Abstract References Related Articles Recommended Metrics Download:  PDF(3607KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Supersaturated solid solutions have been obtained by mechanical alloying inCu-Fe system which are immiscible at room temperature. The fcc phase range has been ex-tended to x>35 at.-% Cu. High resolution electron microscope images show that thereexist N-W orientation relationship,i.e. < 001 > α//<110>γ and < 110 > α// < 111 > γbetween bcc phase and fcc phase after 3h milling. It is quite possible that inverse martensitictransformation has occurred during mechanical alloying and the extension of fcc phase rangeclosely relates to this transformation. The fracture and refinement of particles, and cold-weld-ing images were also observed by using a high resolution electron microscope. After 60h me-chanical alloying, homogenous nanocrystals with particle size about 10 nm formed. Key words:  Cu-Fe      mechanical alloying      high resolution electron microscope      supersaturated solid solution      martensitic transformation      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1993/V29/I12/39 1 Schwarz R B, Koch C C. Appl Phys Lett, 1989; 49: 146 2 Eckert J, Schultz L, Urban K. Appl Phys Lett, 1988; 55: 117 3 Hellstern E, Fech H J, Fu Z, Johnson W L. J Appl Phys, 1989; 65． 305 4 Eckert J, Holzer J C, Krill C E, Ⅲ, Johnson W L. J Mater Res, 1992; 7: 1751 5 Schultz l. Mater Sci Eng 1989; 97: 15． 6 Massalski T B. Binary Alloys Phase Diagram, 2nd ed, Metals Park, Ohio. ASM INTERNATIONAL, 1990 7 Uenishi k, Kobayashi K F, Nasu S, Hatano H, Ishibara K N, Singu P H. Z Metalk, 1992; 83． 132 8 杨元政,马学鸣,董远达.金属学报,1992;28:A399 9 Eckert J, Holzer J C, Krill C E, Ⅲ, Johnson W L. 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