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INFLUENCE OF TOOL SHAPE ON NATURE OF DEFORMATION OF NONPLASTIC STEEL ON UPSETTING (VLIYANIE FORMY INSTRUMENTA NA KHARAKTER DEFORMATSII MALOPLASTICHNOI STALI PRI OSADKE),
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Considering that many low-plasticity alloys are forged by upsetting and that initially concave and convex spherical upset dies and punches are used for this operation while flat upset dies and punches are used for final upsetting, the effect of the configuration of upset tools on plasticity as well as on the nonuniformity of deformation over height of specimen was investigated under laboratory conditions. Author
APPROVED FOR PUBLIC RELEASE