STUDY OF AMORPHOUS Fe-Zr-B-(Cu) ALLOYS BY MECHANICAL ALLOYING

Abstract

Abstract: The technique of mechanical alloying(MA) for preparing amorphous Fe-Zr-B-(Cu) alloys has been studied The structure of samples was analysed by X-ray diffractometry, electron microscopy and Mssbauer spectroscopy.The results show that Fe78Zr10B12 sample of a nearly complete amorphous phase may be prepared but in Fe91Zr7B2 sample metastable b c c phase was obtained Using the same procedure a mixture of amorphous phase and α-Fe(Zr, B) was generated in Fe85Zr7B8. Furthermore,the results of Mssbauer reveal that there are two kinds of short-range ordered phases in the sample. While adding Iat% Cu in Fe78Zr10B12 or Fe85Zr7B8 sample, it is found that the hyperfine field of amorphous phases decreases significantly.

Key words: mechanical alloying, Fe-Zr-B(Cu)amorphous alloy, Mssbauer spectrum

ZHANG Jianqiang;WU Bingyao Southeast University,Nanjing, China WU Hiaohua; WANG Guiqin; ZHAO Jiwan Nanjing University, China Manuscript received 10 March 1995. STUDY OF AMORPHOUS Fe-Zr-B-(Cu) ALLOYS BY MECHANICAL ALLOYING[J]. Acta Metallurgica Sinica (English Letters), 1995, 8(3): 215-218.

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STUDY OF AMORPHOUS Fe-Zr-B-(Cu) ALLOYS BY MECHANICAL ALLOYING

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