AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORPTION PART AND PRODUCTION METHOD FOR SAME

An automotive crashworthiness energy absorptive part 1 according to the present invention is provided at a front portion or a rear portion of an automotive body and configured to absorb crashworthiness energy when crashworthiness load is input from a front side or a rear side of the automotive body, and includes: a tubular member 3 to be axially crushed to absorb crashworthiness energy, the tubular member 3 having a top portion and side wall portions continuous to the top portion; and a resin 9 coating or patching at least inner surfaces of the top portion and the side wall portions of the tubular member 3. The coating or patching resin 9 has a thickness of 8 mm or less after heated and forms at least a part of a peripheral wall portion in a closed cross-sectional space, and adheres to the inner surfaces with an adhesive strength of 10 MPa or more.