TY JOUR TI DESIGN AND COMPUTATION OF THERMOMECHANICAL NUTRUNNER FOR LARGE DIAMETER THREAD TIGHTENING KW shape memory KW thermomechanical return KW power drive KW bolt KW nut KW tightening force KW reactive stress KW deformation KW temperature JO Bulletin of Bryansk state technical university AU Shishkin, S.V. PY 2019 IS 2019 PB Bryansk State Technical University