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atomic packing factors

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004018
EISBN: 978-1-62708-185-6
... crystal planes and in specific directions on a slip plane. Slip does not occur along just any plane or in any direction of crystal. Instead, the plane and direction of slip within a crystal lattice depends on how the atoms are packed together. For example, slip planes are usually on either the closest...
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
... is the rigid body translation. Source: Ref 2 When factors that increase the density of atomic packing in the interface act simultaneously, as shown in Fig. 5 ( Ref 2 ), the energy at the interface is minimized. These factors are: A, good local bonding (short distance between the good matching...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002460
EISBN: 978-1-62708-194-8
... nickel-base superalloys polymers structure-property relationships THIS ARTICLE deals with the relationships among material properties (primarily mechanical properties) and material structure. The term structure is defined broadly; it relates to factors such as the arrangement of atoms (or ions...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0005693
EISBN: 978-1-62708-178-8
... Acronyms: Techniques APM atom probe microanalysis AAS atomic absorption spectrometry AEM analytical electron microscopy AES Auger electron spectroscopy; atomic emission spectrometry AFS atomic fluorescence spectrometry ATEM analytical transmission...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0005697
EISBN: 978-1-62708-181-8
..., Metallurgical and Petroleum Engineers AISI American Iron and Steel Institute AMS Aerospace Material Specification (of SAE) ANSI American National Standards Institute API American Petroleum Institute ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials at.% atomic percent...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.9781627081818
EISBN: 978-1-62708-181-8
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006183
EISBN: 978-1-62708-175-7
... at.% atomic percent FEM nite-element modeling atm atmosphere (pressure) Fig. gure b Burgers vector FM gure of merit bal balance FMEA failure modes and effects analysis bcc body-centered cubic ft foot bct body-centered tetragonal FTA fault tree analysis Btu British thermal unit g gram C Coulomb; heat...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001758
EISBN: 978-1-62708-178-8
... many substances, including acids, salts, gases, and organic molecules. Because the atoms constituting these materials are the same, their differences must be related to the way in which the atoms pack or bond together. The crystal structures of the two substances are shown in Fig. 1 . Fig. 1...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0005752
EISBN: 978-1-62708-194-8
... artificial intelligence DFM design for manufacture AMS Aerospace Material Specification DFMA design for manufacture and assembly gpd grams per denier ANSI American National Standards Institute dhcp double hexagonal close-packed gr grain ASTM American Society for Testing and diam diameter h hour Materials DIN...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002452
EISBN: 978-1-62708-194-8
... be enclosed by an envelope (heavy line). The same class-envelopes appear on all the diagrams, corresponding to the main headings in Table 1 . The density of a solid depends on three factors: the atomic weight of its atoms or ions, their size, and the way they are packed. Metals are dense because...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007021
EISBN: 978-1-62708-439-0
... method of metal powder production for AM. Gas atomization is preferred for AM feedstock because the powder is spherical with a good packing density and a reproducible, consistent particle size distribution (PSD). It enables large batch sizes with relatively high throughput. The PSD ranges are typically...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003254
EISBN: 978-1-62708-176-4
...⟩ or [hkl]—based on the closest packing of atoms within the crystal structure (see Fig. 6 for an example of crystallographic planes and directions) ( Ref 5 ). For example, motion will predominantly occur on {111}⟨110⟩ slip systems in fcc metals and on {110}⟨111⟩, {112}⟨111⟩, or {123}⟨111⟩ slip systems...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006117
EISBN: 978-1-62708-175-7
... to a reduction in the grain boundary area and, hence, provides an alternative route for the reduction of the free energy of the system. (The energy of external surfaces may be an important factor in grain growth in thin sheets.) It is driven by the chemical potential (or curvature) difference between adjacent...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001293
EISBN: 978-1-62708-170-2
... for the porosity of the pack; α i is a factor to correct for the possible condensation of activator (to be discussed later); N i is the number of gram atoms of aluminum in the i th species; D i is diffusion coefficient of constituent i in cm 2 /s; P i is the partial pressure of constituent i...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006352
EISBN: 978-1-62708-179-5
... Cast Iron Research Association El elongation BFI bright- eld illumination ESt steel electrodes B-M Beraha-martensite f feed rate, mass fraction, resonant frequency, friction BUE build-up edge factor c grain aspect ratio, speci c heat, fatigue ductility fa fraction of a phase exponent fi internal...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005772
EISBN: 978-1-62708-165-8
... FeB/Fe<sub>2</sub>B Layers during Pack Cementation Boriding That May Result in Spalling When steel surfaces are borided using the most common powder pack cementation method, boron atoms are diffused into the surface of the steel. A large concentration of boron atoms begins to build up just below...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... or brittle overload failures and the resultant fracture morphology are influenced by various material factors from the atomic level to the bulk material level. The inherent macroscopic ductility of crystalline materials, for example, depends on factors such as the specific crystal lattice that is present...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001756
EISBN: 978-1-62708-178-8
... and information obtainable from the intensity of diffracted x-rays. Line intensity<xref rid="a0001756-t4-fn1" ref-type="table-fn">(a)</xref> Table 4 Line intensity (a) Controlled by: Types of atoms and atomic arrangement Amount of sample which can diffract Intensity correction factors...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005647
EISBN: 978-1-62708-174-0
... at which transformation to ferrite or to ferrite plus cementite is completed on cooling Ar 3 temperature at which transformation of austenite to ferrite begins on cooling ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials at.% atomic percent...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006567
EISBN: 978-1-62708-290-7
... particle size distribution (PSD) data are presented, with an emphasis on the differences between count- and volume-based PSDs. The article then outlines practices for both qualitative and quantitative assessment of particle morphology. atomization particle morphology particle size distribution...