TY JOUR TI FEATURES OF APPLICATION AND CALCULATION OF MULTILAYER MATERIALS IN CHEMICAL EQUIPMENT WITH HEAT EXCHANGE DEVICES KW double-layer steel KW bimetal KW cladding layer KW welding KW heat exchange KW contact thermal resistance JO Bulletin of the Angarsk State Technical University AU Scherbin, S.A. AU Kolesnichenko, V.A. PY 2023 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»