Neutron diffraction measurements of residual stress in a powder metallurgy component

Schneider, L.C.R.; Hainsworth, S.V.; Cocks, A.C.F. and Fitzpatrick, M.E. (2005). Neutron diffraction measurements of residual stress in a powder metallurgy component. Scripta Materialia, 52(9) pp. 917–921.

DOI: https://doi.org/10.1016/j.scriptamat.2004.12.030

Abstract

Residual stresses in a typical industrial green component were determined using neutron diffraction. The measured residual stresses were found to correlate with cross-sectional variations. Residual stress at the edge of the compact in contact with the die wall during compaction reached up to +80 MPa (tension) and −100 MPa (compression).

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