 CZM: Cohesive Zone Model / Kohäsivzonenmodell 
Definition:  Cohesive Zone Model. 
Explanation:  The damage in
cohesive model is
described to be
proportional of the
effective to the
maximum separation
by complete material
failure. Description
of cleavage failure
by means of a
CZM.
The dissipated
energy of the
cohesive elements
serves as a failure
criterion. 
Picture / Figure / Diagram: 

Description of the traction separation law and application of cohesive elements.


SFBLink:  CZM can be applied for modeling the damage and embrittlement in all advanced high strength steels (→AHSS) including twinning induced plasiticity (→TWIP) steels. 
References:  M. Prechter, P. Leiva Ronda et al. Simulation of fracture in heterogeneous elastic materials with cohesive zone models. Int J Fract.2011 