What term describes a surface or internal rupture caused by processing at too low a temperature?

The correct term for a surface or internal rupture caused by processing at too low a temperature is referred to as a "cold shut." A cold shut occurs when the material does not properly flow together due to insufficient temperature, leading to a discontinuity in the surface or internal structure.

Understanding the context is crucial. For example, microshrinkage involves a general contraction that can occur during cooling but does not necessarily create a rupture. Burst typically refers to a failure due to excessive pressure rather than low temperature, and an inclusion refers to a foreign material or phase trapped within the solid matrix, which is unrelated to temperature-induced ruptures. Therefore, "cold shut" is the most appropriate term in this situation, accurately describing the phenomenon linked to inadequate processing temperatures.