Solids

Even classical materials ar far from out of fashion. Whether concrete, ceramics, plastics, foams, wood or metals: as substrates for bonding, they make the part in an adhesive bond that has to absorb the forces and stresses
 
For the decision-maker, it is necessary to know how the fracture toughness and resistance to breakage affect the further crack propagation when the maximum permissible load has already been exceeded.

Does an immediate abrupt and thus uncontrolled failure occur, or does the crack even get stuck? We can answer these questions!