With the high measurement accuracy

wide range and direct output in the form of voltage（or current）

ZrO

2

ceramic oxygen sensor has an important application prospect in the new type nuclear reactors. However

due to the characteristics of ZrO

2

ceramic material and special application environment

it is necessary to carry out a reliable joining of ZrO

2

ceramic with itself or metals to realize the complementary advantages. The joining characteristics and present joining methods of ZrO

2

ceramics in the field of nuclear power are summarized. The characteristics of each joining method are discussed

and the development direction of ZrO

2

ceramic joining technology is pointed out.