I heard the expansion of diamond is quite different to many materials, which could lead to splitting or shearing when heated up next to another material attache

I heard the expansion of diamond is quite different to many materials, which could lead to splitting or shearing when heated up next to another material attached: https://byjus.com/physics/coefficient-of-linear-expansion/ https://byjus.com/physics/coefficient-of-linear-expansion/ but perhaps it's not that big of an issue, not sure.