Friction Stir Welding of Zr_(55)Al_(10)Ni_5Cu_(30) Bulk Metallic Glass to Crystalline Aluminum

材料科学技术（英）, 2009, 25(6): 853-856.

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

2.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

3.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

4.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

5.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

6.School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China

基金项目: This work was supported financially by the Ministry of Science and Technology of China(Grant 2006CB605201) the National Natural Science Foundation of China(Grant . 50825402 and 50731005)

Friction Stir Welding of Zr_(55)Al_(10)Ni_5Cu_(30) Bulk Metallic Glass to Crystalline Aluminum

Zuoxiang Qin ^1, , Cuihong Li ^2, , Haifeng Zhang ^3, , Zhongguang Wang ^4, , Zhuangqi Hu ^5, , Zhiqiang Liu ^6,

1.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

2.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

3.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

4.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

5.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academic of Sciences,Shenyang 110016, China

6.School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China

Keywords： Bulk metallic glass

The Zr_(55)Al_(10)Ni_5Cu_(30) bulk metallic glass plate were successfully welded to crystalline aluminum plates by using a friction stir welding (FSW) method. The welded zone was examined. No defects, cracks or pores were observed and no other crystalline phases except for aluminum were found in the welded joint. The strength of the joint is higher than that of aluminum. The glassy phase in the stir zone keeps the amorphous state, showing a successful welding. The storage modulus softens over the glass transition. And the weldability was discussed according to this phenomena.

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