Reply To: Module 4 Unit 3 Components on Electronic Control Boards *Relay*

[Sean Linfoot]

mechanical failure
Definition
(Noun) Failure of a machine component while the machine is operating under its design constraints (design envelope).

or

Mechanical failure occurs when a component no longer meets performance specifications. Mechanical failure modes can include deformation, yielding, crack initiation, excessive spalling, corrosion, etc.