1-20 of 67 Search Results for

microstructural spatial clustering

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003759
EISBN: 978-1-62708-177-1
... of microstructural features; derived microstructural properties; feature specific size, shape, and orientation distributions; and descriptors of microstructural spatial clustering and correlations. It emphasizes on the practical aspects of the measurement techniques and applications. The article also provides...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005247
EISBN: 978-1-62708-187-0
... issues while fully utilizing outstanding wear properties, primary silicon crystals should be controlled to uniform small size and have uniform spatial distribution. This can be accomplished by adding phosphorus to the melt, thus creating an abundance of AlP 3 nuclei suitable for initiating primary...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005410
EISBN: 978-1-62708-196-2
... of the nucleation driving force. This inclusion model allows deriving the cluster self-elastic energy. However, the interaction of the cluster with the surrounding microstructure is ignored. In particular, one does not consider the elastic interaction between different clusters. Such an interaction is long...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003253
EISBN: 978-1-62708-199-3
... on their interplanar spacings. Secondary ion mass spectroscopy (SIMS) directs a finely focused beam of energetic ions onto the sample surface, then it collects and analyzes the ionized atoms or clusters of atoms ejected from the sample surface by this beam. Information can be obtained with lateral spatial...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005432
EISBN: 978-1-62708-196-2
...Abstract Abstract This article examines how cellular automaton (CA) can be applied to the simulation of static and dynamic recrystallization. It describes the steps involved in the CA simulation of recrystallization. These include defining the CA framework, generating the initial microstructure...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006277
EISBN: 978-1-62708-169-6
... 81 Fig. 22 Final microstructure obtained from initially (a) randomly and (b) uniformly distributed precipitates and (c) the corresponding growth kinetics showing the effect of particle spatial and size distribution on growth kinetics ( Ref 88 ). Source: Ref 37 Fig. 24 Example...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005415
EISBN: 978-1-62708-196-2
... include time, t , as the variable. Total Energy Functional and Variation A field description of microstructure involves a large number of variables (one or several for each spatial coordinate, r , with each one regarded as a degree of freedom). An effective way to formulate their time evolution...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006683
EISBN: 978-1-62708-213-6
... possible to record the lateral distribution of chemical species across a surface with micrometer to submicrometer spatial resolution. Cluster ion beams (e.g., Bi 3 , C 60 , Ar 5000 ) have become available that yield more signal for organic materials and even allow for depth profiling of organics. Because...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005207
EISBN: 978-1-62708-187-0
... thermodynamics NUCLEATION PROCESSES play a key role in the solidification of castings by controlling to a large extent the initial structure type, size scale, and spatial distribution of the product phases. During many solidification processes, the size scale of critical nucleation events is too small...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004002
EISBN: 978-1-62708-185-6
... Symposium on Adv. Structural Materials , Wilkinson D. , Ed., Proc. Met. Soc. of Canadian Inst. Mining and Metallurgy , Vol 2 , Pergamon Press , 1988 , p 23 – 33 42. Lewandowski J.J. , Liu C. , and Hunt Jr W.H. , Effects of Microstructure and Particle Clustering on Fracture...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003769
EISBN: 978-1-62708-177-1
... (average) structure or specific local features in terms of spatial distribution, dispersion, morphology, and volume fraction of all the phase constituents. The interpretation of aluminum alloy microstructures requires an understanding of the various morphological forms and the simultaneous presence...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005455
EISBN: 978-1-62708-196-2
... of computational tools for the prediction of the interrelationships between microstructure and properties, and for this article, specifically tensile properties, for a wide range of materials. As noted previously, in any given metallic material, there are a number of contributing strengthening mechanisms...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001774
EISBN: 978-1-62708-178-8
.... Finally, a secondary ion image of the surface can be generated to provide a spatially resolved analysis of the surface, near surface, or bulk of the solid. This article will focus on the principles and applications of high sputter rate dynamic SIMS for depth profiling and bulk impurity analysis...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006126
EISBN: 978-1-62708-175-7
... number from 5 (boron) to 10 (neon) Elemental compositional mapping of areas with dimensions as large as millimeters with spatial resolution to 1 μm Compositional analysis of individual phases at the microstructural level in multiphase samples, for example, analysis of individual inclusions in steels...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001766
EISBN: 978-1-62708-178-8
... analytical capabilities of the analytical electron microscope. The technique enables characterization of the microstructure of the specimen in several ways, including high-resolution imaging to examine the fine structural detail of the specimen, high spatial resolution microanalysis using EDS and EELS...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003757
EISBN: 978-1-62708-177-1
... in Fig. 1 illustrates the sequence normally followed in digital image-acquisition, processing, analysis, and output. Fig. 1 The sequence of image acquisition, processing, analysis, and output The sequence starts with an image from a given source—for example, a microstructure imaged through...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006656
EISBN: 978-1-62708-213-6
... and spatial correction ( Ref 7 ). These parameters are instrument and detector dependent, requiring procedures provided by the manufacturer. They are mentioned here as a caution that if the response is not uniform across a detector, a correction is required or else diffraction intensities...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003760
EISBN: 978-1-62708-177-1
... can then be applied to estimate some parameters that describe 3D features of polycrystalline or multiphase materials. While some microstructural parameters can be accurately deduced in this manner, more precise descriptions of sizes, spatial distributions, shapes, and interconnectivities of complex...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005412
EISBN: 978-1-62708-196-2
... of interfaces can be described as being built of nanosized clusters of atoms interacting across the interface with each other. These clusters, or close-packed groups, interact with each other by means of elastic fields. However, if the interatomic interactions are relatively weak compared to the elastic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004016
EISBN: 978-1-62708-185-6
..., then they join into clusters observed at the mesoscale and, finally, at the macroscale. Shear bands follow principal shear directions, and mechanics, rather than crystallography, dictates their morphology. Therefore, continuum stress/strain states should be accommodated inside SBs in very small material volumes...