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spinodal decomposition

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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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240053
EISBN: 978-1-62708-251-8
... of free energy that governs whether or not a phase transformation is possible, and then the kinetic considerations that determine the rate at which transformations take place. The chapter also describes important solid-state transformations such as spinodal decomposition and martensitic transformation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
.... (a) Classical nucleation and growth. (b) Spinodal decomposition. Nominal chemical concentration, X 0 , is between two different equilibrium concentrations, X e * and X e **. The result is a homogenous decomposition of a supersaturated single phase into two phases that have essentially the same...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... through heat treatment include: Solution-treated and aged aluminum alloys (e.g., aluminum-copper alloys) Solution-treated and aged cobalt alloys Solution-treated copper alloys (such as beryllium bronze, spinodal-hardening alloys, and order-hardening alloys) Quench-hardened (martensitic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240063
EISBN: 978-1-62708-251-8
... of the system is reduced, such as in the case for spinodal decomposition, which was covered in Chapter 4, “Introduction to Phase Transformations,” in this book. What is important is that the free energy of the system is reduced during diffusion. Fig. 5.1 Free-energy changes during diffusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310091
EISBN: 978-1-62708-286-0
... steels combined since they contain both as phases. Ferrite forms two main embrittling phases, α′ and σ. The α′ is generally believed to be a result of the miscibility gap that exists in the iron-chromium system, by which ferrite undergoes spinodal decomposition into the iron-rich α, normal ferrite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420339
EISBN: 978-1-62708-310-2
... from phase separation or precipitation within a metastable miscibility gap in the alloy system. They may form by homogeneous nucleation and grow at small undercoolings or by spinodal decomposition at large undercoolings or supersaturations. The GP zones are the first to nucleate because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310109
EISBN: 978-1-62708-286-0
... and does not occur in fully ferritic alloys. The α′ is the ordered equiatomic chromium iron phase that forms by spinodal decomposition; it has the same composition as σ but exists at a lower temperature with the same structure as ferrite but with the chromium and iron atoms in an ordered bcc matrix...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410579
EISBN: 978-1-62708-265-5
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: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170457
EISBN: 978-1-62708-297-6
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
... embrittlement is the segregation of phosphorus to prior austenitic grain boundaries and does not occur in fully ferritic alloys. The α′ intermetallic phase is the ordered equiatomic chromium-iron phase that forms by spinodal decomposition; it has the same composition as σ but exists at a lower temperature...