Joining of Zirconia and Ti-6Al-4V Using a Ti-based Amorphous Filler

材料科学技术（英文）, 2011, 27(7): 653-658.

Joining of Zirconia and Ti-6Al-4V Using a Ti-based Amorphous Filler

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1.Key Lab. of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China

2.Key Lab. of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China

3.Key Lab. of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China

4.Key Lab. of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China

5.Key Lab. of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun 130012, China

基金项目: the Department of Science ＆ Technology of Jilin Province(20100545) supported by 2009 Open Foundation of the Key Lab of Automobile Materials, Jilin University Natural Scientific Basic Research Fund for Platform and Base Construction(09-421060352467)

关键词：非晶薄带 , 氧化锆 , 钛基 , Ti , 界面微结构 , 二氧化钛 , 填料 , 钎焊温度

Joining of Zirconia and Ti-6Al-4V Using a Ti-based Amorphous Filler

Keywords： Brazing , Amorphous filler , Interface , Microstructure , Shear strength ,

Polycrystalline ZrO2-3 mol.%Y2O3 was brazed to Ti-6Al-4V by using a Ti47Zr28Cu14Ni11（at.%） amorphous ribbon at 1123–1273 K in a high vacuum. The influences of brazing temperature on the microstructure and shear strength of the joints were investigated. The interfacial microstructures can be described as ZrO2/TiO＋TiO2＋Cu2Ti4O＋Ni2Ti4O/α-Ti＋（Ti,Zr）2（Cu,Ni） eutectic/acicular Widmanst¨aten structure/Ti–6Al–4V alloy. With the increase in the brazing temperature, the thickness of the TiO＋TiO2＋Cu2Ti4O＋Ni2Ti4O layer reduced, the content of the α-Ti＋（Ti,Zr）2（Cu,Ni） eutectic phase decreased, while that of the coarse α-Ti phase gradually increased. The shear strength of the joints did not show a close relationship with the thickness of the TiO＋TiO2＋Cu2Ti4O＋Ni2Ti4O layer. However, when the coarse （Ti,Zr）2（Cu,Ni） phase was non-uniformly distributed in the α-Ti phase, or when α-Ti solely situated at the center of the joint, forming a coarse block or even connecting into a continuous strip, the shear strength greatly decreased.

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Joining of Zirconia and Ti-6Al-4V Using a Ti-based Amorphous Filler

Joining of Zirconia and Ti-6Al-4V Using a Ti-based Amorphous Filler

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