Cover -- Editorial advisory board -- Guest editorial -- Interfacial stresses analysis of damaged structures strengthened with bonded prestressed FRP plate having variable fiber spacing -- Compression after impact and fatigue behavior of CFRP stiffened panels -- Experimental detection of anearly developed crack inrotor-bearing systems usingan AMB -- Study on the evolution mechanism of oxidationand copper diffusion and precipitation phenomena and their effect on the surface quality of steel plates -- Synthesis, structural and nanomechanical properties of cobalt based thin films -- Advanced leaf spring design and analysis with respect to vehicle kinematics and durability -- Wing repair using an adhesively bonded boron composite patch - design and verification -- Strain concentration during the compression of a carbon/epoxy composite after impact -- Accelerated carbide tool wear failure during machining of hot work hardened tool steel -- Waviness and straightness of cylinder and textured pistonring tribo pair.