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Acta Metall Sin  1991, Vol. 27 Issue (4): 111-115    DOI:
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INFLUENCE OF PURIFICATION ON GLASS FORMABILITY AND THERMOSTABILITY OF METALLIC GLASS Ni_(75)B_(17)Si_8
XING Liqian;CHEN Xichen Institute of Physics; Academia Sinica; Beijing; YANG Gencang; ZHOU Yaohe Northwestern Polytechnic University; Xi'an; GUO Zhenqi Northwestern University; Xi'an
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XING Liqian;CHEN Xichen Institute of Physics; Academia Sinica; Beijing; YANG Gencang; ZHOU Yaohe Northwestern Polytechnic University; Xi'an; GUO Zhenqi Northwestern University; Xi'an. INFLUENCE OF PURIFICATION ON GLASS FORMABILITY AND THERMOSTABILITY OF METALLIC GLASS Ni_(75)B_(17)Si_8. Acta Metall Sin, 1991, 27(4): 111-115.

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Abstract  The glass formability of Ni_(75)B_(17)Si_8 alloy melt and the thermostabilityof this metallic glass formed from the melt can be enhanced by eliminating theheterogeneous catalysts. The purification was done by cyclically superheating themelt in special glasses and subsequently cyclically superheating it in electromagneticlevitation apparatus. The purified Ni_(75)B_(17)Si_8 amorphous sample sized up to 20×10×0.5 mm was prepared as four times the thickness of unpurified ones.
Key words:  metallic glass      glass formability      thermostability      Ni_(75)B_(17)Si_8     
Received:  18 April 1991     
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