Compressive flow behavior of Al–Si based alloy: Role of heat treatment

Joseph, Susmitha; Kumar, Shubham; Babu, R. Prasath

doi:10.1016/j.msea.2015.01.046

Cited by 3 publications

(2 citation statements)

References 40 publications

(36 reference statements)

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“…It should also be mentioned that the usage of Moir e fringes-based techniques for identifying the crystal structure of precipitates and other nanoscale features can also be very useful, as demonstrated in NiAl and aluminum alloys in the literature. [182,183] The same technique could readily also be employed in the identification of other precipitate types in metallic materials. The technique is based on the interference patterns that are generated due to the overlapping patterns of precipitate and matrix, see the details in Ref.…”

Section: Miscellaneous Methodsmentioning

confidence: 99%

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On the role of transmission electron microscopy for precipitation analysis in metallic materials

Zhou

Babu

Hou

et al. 2021

Critical Reviews in Solid State and Materials Sciences

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Precipitation hardening is one of the most important strengthening mechanisms in metallic materials, and thus, controlling precipitation is often critical in optimizing mechanical performance. Also other performance requirements such as functional and degradation properties are critically depending on precipitation. Control of precipitation in metallic materials is, thus, vital, and the approach presently in the limelight for this purpose is an integrated approach of theory, computations and experimental characterization. An empirical understanding is essential to build physical models upon and, furthermore, quantitative experimental data is needed to build databases and to calibrate the models. The most versatile tool for precipitation characterization is the transmission electron microscope (TEM). The TEM has sufficient resolving power to image even the finest precipitates, and with TEMbased microanalysis, overall quantitative data such as particle size distribution, volume fraction and number density of particles can be gathered. Moreover, details of precipitate structure, morphology and chemistry, can be revealed. TEM-based postmortem and in situ analysis of precipitation has made significant progress over the last decade, largely stimulated by the widespread application of aberration corrected microscopes and accompanying novel analytics. The purpose of this report is to review these recent developments in precipitation analysis methodology, including sample preparation. Application examples are provided for precipitation analysis in metals, and future prospects are discussed.

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Section: Miscellaneous Methodsmentioning

confidence: 99%

“…The technique is based on the interference patterns that are generated due to the overlapping patterns of precipitate and matrix, see the details in Ref. [182]. Another interesting technique is electron holography.…”

Section: Miscellaneous Methodsmentioning

confidence: 99%