The thermal and mechanical properties of amorphous Z

N

C

A

(x=3, 6, 9at%) alloys were investigated. The crystallization process was confirmed as amorphous longrightarrow amorphous + Z

A

+ Zr + (Ni,Ti) longrightarrow Z

Cu + Al + (Ni,Ti) for 3at%Ti, amorphous longrightarrow amorphous + Al longrightarrow

Ti + NiZr + CuTi for 6at%Ti and amorphous longrightarrow amorphous + Zr + Al longrightarrow Zr +

Zr + Al

+ CuTi for 9at%Ti. lickers hardness (

) increased with increasing volume fraction(

) of pricipitates for all concerned compositions. Tensile fracture strength (

) showed a maximum value 1219MPa at

= 38% for 3at%Ti, 1203MPa at

= 2% for 6at%Ti and 1350MPa at

= 5% for 9at%Ti. The

was rapidly decreased after showing the maximum value. The

corresponding to rapidly decreased

coincided with the

transited from ductile to brittle fracture surface.ace.