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face-centered cubic systems

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240625
EISBN: 978-1-62708-251-8
... Abstract This appendix explains how to calculate atomic packing factors, lattice parameters, and coordination numbers for cubic crystal structures, including simple, body-centered, and face-centered cubic systems. It also addresses hexagonal close-packed systems. atomic packing factors...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240003
EISBN: 978-1-62708-251-8
... structure, providing information on space lattices and crystal systems, hexagonal close-packed systems, and face-centered and body-centered cubic systems. The chapter then covers slip systems and closes with a brief section on allotropic transformations that occur at a constant temperature during either...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
.... All crystal systems can be grouped into one of seven basic systems, as defined in Table 1 , which can be arranged in 14 different ways, called Bravais lattices, as shown in Fig. 2 . However, almost all structural metals crystallize into one of three crystalline patterns: Face-centered cubic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820043
EISBN: 978-1-62708-339-3
... Abstract Austenitic stainless steels exhibit a single-phase, face-centered cubic structure that is maintained over a wide range of temperatures. This chapter provides a basic understanding of grade designations, properties, and welding considerations of austenitic stainless steels. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420073
EISBN: 978-1-62708-310-2
... of both copper and nickel. The solid solution, α, that exists at lower temperatures is a substitutional solid solution consisting of both copper and nickel atoms with a face-centered cubic (fcc) crystalline structure. When an alloy of any given composition freezes, copper and nickel are mutually...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240221
EISBN: 978-1-62708-251-8
... necking. Glasses and crystalline ceramics, when fractured at room temperature, fracture in a brittle manner, with no appreciable evidence of plastic deformation. Brittle fractures can also occur in body-centered cubic (bcc) and hexagonal close-packed (hcp) metals but not in face-centered cubic (fcc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... Abstract Ferritic stainless steels are essentially iron-chromium alloys with body-centered cubic crystal structures. Chromium content is usually in the range of 11 to 30%. The primary advantage of the ferritic stainless steels, and in particular the high-chromium, high-molybdenum grades, is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230131
EISBN: 978-1-62708-298-3
... Be 17 61.5 1630 2.46 Rhombohedral Zr-Be ZrBe 13 56.2 1925 2.72 Face-centered cubic Zr 2 Be 17 45.7 1980 3.08 Rhombohedral Hf-Be HfBe 13 39.7 1595 3.93 Face-centered cubic HfBe 13 34.0 1750 4.25 Hexagonal Hf 2 Be 17 30.0 1750 4.78 Rhombohedral...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240153
EISBN: 978-1-62708-251-8
... cooling from its melting point of 1540 °C (2800 °F), it assumes a body-centered cubic (bcc) structure designated as δ-ferrite. On further cooling between 1395 and 912 °C (2541 and 1674 °F), it has a face-centered cubic (fcc) structure called austenite, designated as γ. Below 912 °C (1674 °F), it again has...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240075
EISBN: 978-1-62708-251-8
... copper and nickel atoms with a face-centered cubic (fcc) crystalline structure. When an alloy of any given composition freezes, copper and nickel are mutually soluble in each other and therefore display complete solid solubility. Solid solutions are commonly designated by lowercase Greek letters. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220101
EISBN: 978-1-62708-259-4
... grouped under the name of thermomechanical treatments. Producing phase transformations between the two main crystal structures of iron, body-centered cubic (BCC) and face-centered cubic (FCC) (presented in Chapter 1 ) and forming structures other than equilibrium structures (see Chapter 9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420363
EISBN: 978-1-62708-310-2
... materials, a certain number of slip systems must be available in order for the material to be capable of plastic deformation. Other things being equal, the greater the number of slip systems, the greater the capacity for deformation. Face-centered cubic metals have a large number of slip systems (12) and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410113
EISBN: 978-1-62708-265-5
... austenite of the other austenite grain. Atoms in such an interface would easily move from face-centered cubic (fcc) packing to the body-centered cubic (bcc) structure, producing a boundary with a high degree of mobility. At high transformation temperatures and low undercooling, the incoherent boundary would...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... capability. The metallograph shown in Fig. 5.54 has a 35 mm camera mounted in a pocket on the side and a rectangular ground glass viewing screen at the lower front facing the metallographer, as shown in Fig. 5.55 . The viewing screen can be removed to allow a film holder to be positioned in its place...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420143
EISBN: 978-1-62708-310-2
... 1540 °C (2800 °F), it assumes a body-centered cubic (bcc) structure designated as δ-ferrite. On further cooling between 1395 and 910 °C (2541 and 1673 °F), it has a face-centered cubic (fcc) structure called austenite, designated as γ. Below 910 °C (1673 °F), it again has a bcc crystal structure called...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440009
EISBN: 978-1-62708-262-4
...) Body-centered cubic lattice. (b) Face-centered cubic lattice As cooling proceeds further and point b ( Fig. 1 ) is reached (1395 °C, or 2540 °F), the atoms rearrange into a 14-atom lattice a shown in Fig. 2(b) . The lattice now has an atom at each corner and one at the center of each face...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940183
EISBN: 978-1-62708-302-7
... iron-water Pourbaix diagram. It then explains how anodic polarization is extremely sensitive to the environment and, as a result, a reasonably complete curve for a given metal-environment system usually can only be inferred. It goes on to describe how such curves are constructed, demonstrating the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... from below room temperature to 912 °C (1675 °F). This phase of bcc iron is known as α-ferrite. Another phase of iron is a face-centered cubic (fcc) lattice known as austenite or γ-iron, and occurs between 912 and 1394 °C (1675 and 2540 °F). Finally, another solid bcc phase known as δ-ferrite occurs...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000005
EISBN: 978-1-62708-312-6
... crystal structure of an alloy, in turn, is determined by its chemistry and thermal history. Structurally, pure iron exists at room temperature in a body-centered cubic (ferritic) structure. As it is heated above 910 °C (1670 °F), it undergoes transformation into a face-centered cubic (fcc) (austenitic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310147
EISBN: 978-1-62708-286-0
... … 130 94.9 70 Keyhole notch (a) AC, air cool; FC, furnace cool; OQ, oil quench; WQ, water quench; T, temper; A, age. Source: Ref 1 The heat-resisting “H” alloys are principally austenitic. Alloying elements and impurities diffuse more slowly through the face-centered...