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- W2172664262 abstract "Segregation to crystalline interfaces has been considered in terms of its effect on the thermodynamic interfacial energies. The experimental evidence for segregation was reviewed and its effects on interfacial energies and mechanical properties discussed with particular reference to boron in iron and steels. The effects of boron concentration on the surface and grain boundary energies of iron and AISI.316 stainless steel were measured, Grain boundary to surface energy ratios were measured from the dihedral angles at the grooves (and ridges) formed during vacuum annealing where these boundaries intersect the surface. The effect of boron on the absolute grain boundary and surface energies was obtained by the assumption that twin boundary energy is independent of boron concentration. Measurements were made on 316 steels containing 0.001 and '0.006 wt% boron at 950° to 1250° C, and on iron alloys containing up to 0.020 wt% boron at 950° and 1050°C. Reductions of up to ,30% in the surface energies and 40% in the grain I, boundary energies were found on increasing the boron concentration to 0.004-0.008 wt%. The results were interpreted in terms of segregation of boron~ the surfaces and grain boundaries and compared with literature data for other systems including nickel-boron alloys. The relevance of interfacial energy measurements to the effects of boron on mechanical properties was considered." @default.
- W2172664262 created "2016-06-24" @default.
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- W2172664262 date "1973-01-01" @default.
- W2172664262 modified "2023-09-27" @default.
- W2172664262 title "Boron segregation in iron and stainless steel :|ba study of the effects of trace amounts of boron on the grain boundary and surface energies of iron and AISI 316 austenitic steel" @default.
- W2172664262 hasPublicationYear "1973" @default.
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