[Thermal compatibility of metal-porcelain system].

The bonding of metal and porcelain through a firing process is rather a complex phenomenon. Besides the factors that act in bonding, the thermal properties of both materials also affect this mechanism. Different expansion and contraction behaviours of porcelain and metal cause some interface stresses. It is observed that the major objectives of the researches are to measure and determine these stresses and expose the variables affecting them. Porcelain glass transition temperature is one of the variables that the studies have focused on.