Terms for subject Metallurgy containing layer-to-layer

English	German
depth of hardening surface layer or to the core	Oberflaechenhaertung-Einhaertung-oder Durchhaertung
lack of fusion due to metal being deposited on a layer of oxide which has fused but not dispersed	helle Kaltschweissstelle
lack of fusion due to metal being deposited on a layer of oxide which has fused but not dispersed	glaenzende Kaltschweissstelle
lack of fusion due to metal being deposited on a layer of oxide which has not been fused	schwarze Kaltschweissstelle
lack of fusion due to metal being deposited on a layer of oxide which has not been fused	dunkle Kaltschweissstelle