Plastic deformation of β and γ phase silver-tin alloys

The plastic deformation of beta and gamma phase Ag--Sn alloys, which are of significance in the formulation of dental amalgam, has been studied using transmission electron microscopy and electron channeling. Deformation twinning in the ordered orthorhombic gamma phase on {011} planes has been confir...

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Veröffentlicht in:Journal of materials science 1984-01, Vol.19 (10), p.3255-3265
Hauptverfasser: ABBOTT, J. R, MILLER, D. R, NETHERWAY, D. J
Format: Artikel
Sprache:eng
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Zusammenfassung:The plastic deformation of beta and gamma phase Ag--Sn alloys, which are of significance in the formulation of dental amalgam, has been studied using transmission electron microscopy and electron channeling. Deformation twinning in the ordered orthorhombic gamma phase on {011} planes has been confirmed and another twin plane {211} has been identified. The gamma phase was also found to deform by slip on {001} and {010} planes; superlattice dislocations with Burgers vectors 1/2(100) have been identified on the (001) plane. The disordered h.c.p beta phase deforms essentially by slip on the basal (0001) plane by glide of 1/3 < 2110 > dislocations. 11 ref.--AA
ISSN:0022-2461
1573-4803