▎ 摘　　要

NOVELTY - The sensor has a graphene/polydimethylsiloxane (PDMS) porous flexible sensor unit solidified and connected with two leads by conductive silver paste. The graphene/polydimethylsiloxane (PDMS) porous flexible sensor unit is arranged according to a rectangular matrix and fixed by a polyurethane (PU) film. The space between two adjacent graphene/polydimethylsiloxane (PDMS) porous flexible sensor units is 10-30 mm. The multi-channel flexible array type sensor realizes obvious and fast response with the resistance change rate of 61.2-127.7 % in 0.4-0.8 s. USE - Multi-channel flexible array type sensor for monitoring stress of a curved metal piece. ADVANTAGE - The sensor has uniform structure, controllable aperture and porosity, and obvious and fast sensor response. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for method for monitoring stress of curved metal piece of multi-channel flexible array sensor. DESCRIPTION OF DRAWING(S) - The drawing shows a pore structure of the multi-channel flexible array type sensor for monitoring stress of a curved metal piece.