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superlattice structures

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420171
EISBN: 978-1-62708-310-2
..., and goes on to identify the most common superlattice structures and their corresponding alloy phases. It also discusses the factors that limit the formation of superlattices along with the kinetics of spinodal decomposition and its effect on microstructure development. antiphase boundaries...
Image
Published: 01 March 2006
Fig. A.34 Strengthening by superlattice formation. (a) CsCl structure: CuZn, AgZn, AgMg, FeAl, CoAl, NiAl. (b) Fe 3 Al structure: Fe 3 Al, Cu 3 Al, Ca 3 Sb, Fe 3 Si More
Image
Published: 01 March 2012
Fig. 9.6 Unit cells of (a) the disordered CuAu face-centered cubic solution at elevated temperatures and (b) the ordered CuAu I structure representing the L1 0 superlattice. Source: Ref 9.3 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240041
EISBN: 978-1-62708-251-8
... in the disordered solution to specific lattice sites in the ordered structure. When atoms periodically arrange themselves into a specific ordered array, they make up what is commonly referred to as a superlattice. Most alloys that form an ordered structure are disordered at higher temperature, which means...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420303
EISBN: 978-1-62708-310-2
.... Often a superlattice structure is present that is then converted to the martensite product. These alloys all belong to the second category, marking a weak first-order transformation with an intermediate stability of the martensite phase at temperatures above the M s temperature. Alloys used in shape...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310001
EISBN: 978-1-62708-286-0
..., body-centered cubic. Alpha Prime Not to be confused with martensite, alpha prime is an ordered iron-chromium phase (i.e., iron and chromium atoms occupy specific, rather than random, sites on two intersecting superlattices). This structure is quite brittle. It forms at relatively low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... Abstract This chapter describes the metallurgy of superalloys and the extent to which it can be controlled. It discusses the alloying elements, crystal structures, and processing sequences associated with more than a dozen phases that largely determine the characteristics of superalloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
... conventionally Fig. A.34 Strengthening by superlattice formation. (a) CsCl structure: CuZn, AgZn, AgMg, FeAl, CoAl, NiAl. (b) Fe 3 Al structure: Fe 3 Al, Cu 3 Al, Ca 3 Sb, Fe 3 Si Fig. A.29 Effect of solute alloy additions on the tensile stress strain curve of metals. Source: Ref A.22...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... superalloy phases is presented in Table 4.1 . As may be seen from the table, some phases in superalloys are beneficial and others degrade alloy properties ( Ref 1 ). Phases observed in superalloys Table 4.1 Phases observed in superalloys Phase Crystal structure Lattice parameter, nm Formula...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400245
EISBN: 978-1-62708-258-7
... peel. allotriomorph. A particle of a phase that has no regular external shape. allotriomorphic crystal. A crystal whose lattice structure is normal, but whose outward shape is imperfect, because it is determined to some extent by the surroundings; the grains in a metallic aggregate are allotriomorphic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
... hardenability requirements. Other alloying applications of manganese include specialty nonferrous alloys, such as manganese-copper and manganese-containing brasses, bronzes, and some nickel silvers. Pure manganese by itself is too brittle for structural applications. It oxidizes easily and rusts rapidly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 23 January 2020
DOI: 10.31399/asm.tb.stemsem.t56000020
EISBN: 978-1-62708-292-1
... imaging. In this mode, both low-Z and high-Z components are simultaneously visible, and the catalyst particles can be easily discerned from the amorphous car- bon. A closer view (Fig. 3e) reveals contrast variation suggestive of structural inhomogeneity within many particles. Perhaps the most apparent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7
Series: ASM Technical Books
Publisher: ASM International
Published: 23 January 2020
DOI: 10.31399/asm.tb.stemsem.9781627082921
EISBN: 978-1-62708-292-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.9781627082860
EISBN: 978-1-62708-286-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
EISBN: 978-1-62708-267-9