Methods: The bond strength of Au - Pt, Au - Pd, Ag - Pd and Ni - Cr alloys were determined by means of pull - through test.

• 方法:通过金瓷界面间的剪切强度测定,观察金铂合金、金钯合金、银钯合金及镍铬合金的金瓷结合强度。