TY JOUR TI EFFECT OF MODIFIER FRACTIONAL COMPOSITION UPON ITS ASSIMILATION BY CAST IRON MELT TAKING INTO ACCOUNT DISSOLUTION PROCESS KINETICS KW intraform modification KW cam shaft KW modifier assimilation KW fraction composition JO Bulletin of Bryansk state technical university AU Boldyrev , D.. PY 2016 IS 2016 PB Bryansk State Technical University