The leadthrough element has a first part which is formed by a cermet at the area of the gastight connection. 馈通件在气密连接区内有一个由金属陶瓷形成的第一部分。
For submicron cermet,the grains with white cores,are much more than that in micron cermet,and the properties are higher. 但对于亚微米级的金属陶瓷，其芯部为白色的陶瓷颗粒的数目要比微米级的金属陶瓷多，其断裂韧性略有下降，但其抗弯强度要高出许多。
