The rhenium crystals were rolled in the { lOOO} (1 120) orientation. Rolling produces cracks in crystals at low deformation (E = 30%). Jt has been shown that microcracks in the volume of the crystal arise at a more earlier deformation stage than visible surface cracks.Recrystallization during subsequent annealing is strongly intensified with the start of crack formation. Stepwise facets of recrystallizated grains are often observed, this fact being connected with twinning lamellae recrystallization. Microcracks in the crystal body are completely eliminated during high temperature annealing. This process caused by diffusion over microcracks surfaces.KpacTann peHHR, IIpOKaTbIBaeMbIii B yCnOBHRX JIeTKOrO CKOnbXCeHHR, { 1000) ( n m a u m npa nocneayroqeM 0Txm-e. YacTo Ha6~1IOAanacb ciynewiaTaa orpama p e~p u c~a n n m o -