Precipitation strengthening, yield stress anomaly and strain rate sensitivity of an L12-ordered intermetallic (Ni, Co)3(Al, Ti) alloy

Liu, W.; Krol, Thorsten; Nembach, E.

doi:10.1016/s1359-6462(98)00295-4

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Cited by 11 publications

(2 citation statements)

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“…The analysis of electron diffraction suggested that one phase could be identified as g 0 phase with an L1 2 structure and another phase with inter-connected morphology as a disordered fcc g phase. The disordered g phase was observed in alloy60 and alloy80 heat treated at 750 C, 1100 C and 1150 C. The g phase is reported to be beneficial for strengthening the g 0 matrix [12]. In alloy100, the g phase (with bright contrast) distributed heterogeneously in the g 0 .…”

Section: Solution Treatmentmentioning

confidence: 97%

Phase constituents in Ni–Al–Co–Ti quaternary alloys

Cui

Ping

et al. 2008

Intermetallics

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Section: Solution Treatmentmentioning

confidence: 97%

Phase constituents in Ni–Al–Co–Ti quaternary alloys

Cui

Ping

et al. 2008

Intermetallics

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“…The Interaction of super-dislocations with the disordered γ precipitates is the basis of the precipitation strengthening of γ′ intermetallics [38]. In a DS eutectic, it has been observed that one phase deforms elastically prior to fracture.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Recent Developments in Co-Base Alloys

Sahay¹,

Goswami²

2009

SSP

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Cobalt base alloys are being designed and developed to produce the best possible combinations of high temperature properties. Existence of martensite forms consisting of various intermetallic compounds has been described along with the variables associated with fcc-hcp transition at respective conditions of formation. Achievements of cobalt base alloys have been primarily due to various thermodynamic and kinetic parameters for most suitable combinations of alloying. The phase transformations in this review include the study of defect structure, martensite transformation, order-disorder kinetics, and recrystallization and grain growth mechanisms. The improvements in mechanical properties stem from the contribution of additional alloying elements to discontinuous precipitation, diffusion mechanism at grain boundaries and changes in compressive strength, yield strength, elongation and brittleness. L12-compound in cobalt base alloys possesses an important identity, which changes the characteristics of usable compositions.

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Coarsening of γ (Ni–Al solid solution) precipitates in a γ′ (Ni3Al) matrix

Ardell

2007

Acta Materialia

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Precipitation strengthening, yield stress anomaly and strain rate sensitivity of an L12-ordered intermetallic (Ni, Co)3(Al, Ti) alloy

Cited by 11 publications

References 22 publications

Phase constituents in Ni–Al–Co–Ti quaternary alloys

Phase constituents in Ni–Al–Co–Ti quaternary alloys

Recent Developments in Co-Base Alloys

Coarsening of γ (Ni–Al solid solution) precipitates in a γ′ (Ni3Al) matrix

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