Influence of Annealing Temperature on Youngs Modules and Hardness of Zr<,41> Ti<,14> Cu<,12.5> Ni<,10> Be<,22.5> Bulk Amorphous Alloy
Zr<,41> Ti<,14> Cu<,12.5> Ni<,10> Be<,22.5> bulk amorphous alloy annealed at different temperatures were studied by nanoindentation, XRD and DSC. The results shows that the phase composition of the bulk amorphous alloy annealed at different temperatures were different. The degree of crystallization of Zr- based bulk amorphous alloy increased with the increase of the annealing temperature. The results of nanoindentation show that Youngs modules (Er) and hardness (Hv) of Zr-based bulk amorphous alloy decreased with the increase of loading at the same annealing temperature. Under glass transformation temperature (T<<g>), Er and Hv of Zr-based bulk amorphous alloy decreased with the increase of anneal temperature at the same loading. Above T<,g>, Er and Hv of Zr-based bulk amorphous alloy increased with the increase of anneal temperature at the same loading. Er and Hv of Zr-based bulk amorphous alloy decreased with the increase of anneal temperature when temperature exceeded the crystallization temperature. The plastic deformation of Zr-based bulk amorphous alloy was influenced by temperature and loading. The ability of plastic deformation increased with adding loading between glass transformation temperature (T<,g>) and crystallization temperature (T<,x>).
bulk amorphous alloy anneal temperature Youngs modulus hardness
ZHANG Weiguo MA Mingzhen REN Jie ZONG Haitao SONG Aijun LI Gong JING Qin LIU Riping
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao
国际会议
第五届科协博士年度科技会议(The 5th Annual Science Conference for Ph.D)
长春
英文
11-15
2007-08-29（万方平台首次上网日期，不代表论文的发表时间）