crack arrester

crack arrester

[′krak ə′res·tər]
(naval architecture)
On a ship, a plate riveted over another plate where the latter has a crack or a stressed area where a crack might begin.
A hole or slot formed at the end of a crack to keep it from spreading, or in a stressed area to prevent a crack from beginning.
References in periodicals archive ?
A stable fracture process occurred when a crack arrester established.
The nearly spherical shape of the graphite removes the "crack" effect and, in fact, the graphite spheroids act as "crack arresters."