WAblation
WAbrasion (mechanical)
WAlkali–silica reaction
WCoble creep
WCompact disc bronzing
WConchoidal fracture
WCreep (deformation)
WCritical plane analysis
WEmbrittlement
WFatigue (material)
WFatigue limit
WFatigue testing
WForensic polymer engineering
WFoxing
WFractography
WFretting
WGalling
WMicrovoid coalescence
WOzone cracking
WPhoto-oxidation of polymers
WPolymer degradation
WRed rot
WSpall
WStriation (fatigue)
WVibration fatigue
WWear
WWidespread fatigue damage