1975-02-01

AISI 4000 Transverse and Longitudinal Impact Properties as a Function of Sintering Temperature and Deformation 750951

Increasing the sintering temperature, lowering the oxygen content, improved the longitudinal and transverse impact properties of powder formed AISI 4027. Flow improved the longitudinal impact properties to a maximum of 53 ft-lbs. but had no effect on the transverse properties. The anisotropy of powder formed preforms was a function of oxygen content and deformation strain. Comparing the powder-formed AISI 4027 to wrought AISI 8620, the powder formed preforms were more isotropic.

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