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phase decomposition

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Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005409
EISBN: 978-1-62708-196-2
... Abstract This article focuses on the modeling of microstructure evolution during thermomechanical processing in the two-phase field for alpha/beta and beta titanium alloys. It also discusses the mechanisms of spheroidization, the coarsening, particle growth, and phase decomposition in titanium...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006229
EISBN: 978-1-62708-163-4
... decomposition has been particularly useful in the production of permanent magnet materials, because the morphologies favor high magnetic coercivities. It also describes the theory of spinodal decomposition with a simple binary phase diagram. alloy phases binary phase diagram chemical composition...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006300
EISBN: 978-1-62708-179-5
... Abstract This article discusses the stable and metastable three-phase fields in the binary Fe-C phase diagram. It schematically illustrates that austenite decomposition requires accounting for nucleation and growth of ferrite and then nucleation and growth of pearlite in the remaining...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005511
EISBN: 978-1-62708-197-9
... Abstract This article focuses on the industrial applications of phase diagrams. It presents examples to illustrate how a multicomponent phase diagram calculation can be readily useful for industrial applications. The article demonstrates how the integration of a phase diagram calculation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005206
EISBN: 978-1-62708-187-0
... two groups: decomposition or eutectic-type reactions and formation or peritectic-type reactions. In a binary eutectic ( Fig. 2 ), the liquid decomposes on cooling into two solid phases, and in a peritectic ( Fig. 2 ), the liquid reacts with a solid phase on cooling to form a second solid phase...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005434
EISBN: 978-1-62708-196-2
... Abstract This article focuses on transport phenomena and modeling approaches that are specific to vapor-phase processes (VPP). It discusses the VPP for the synthesis of materials. The article reviews the basic notions of molecular collisions and gas flows, and presents transport equations. It...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006221
EISBN: 978-1-62708-163-4
... Abstract The application of phase diagrams is instrumental in solid-state transformations for the processing and heat treatment of alloys. A unary phase diagram plots the phase changes of one element as a function of temperature and pressure. This article discusses the unary system that can...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006231
EISBN: 978-1-62708-163-4
... binary peritectic alloys. The microstructures of cast ternary alloys of this kind are indistinguishable from their binary counterparts, the binary peritectic alloys. Ternary eutectic reaction occurs by the isothermal decomposition of liquid into three different solid phases: (Eq 18) L ↔ α + β...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003698
EISBN: 978-1-62708-182-5
... Abstract This article discusses the definitions, classifications, structural features, vapor pressure values, corrosion inhibition mechanisms, and methods of evaluation of vapor-phase-corrosion inhibitors or volatile corrosion inhibitors (VCIs). Practical methods of using VCIs for corrosion...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003732
EISBN: 978-1-62708-177-1
... Abstract Spinodal transformation is a phase-separation reaction that occurs from kinetic behavior. This article discusses the theory of spinodal decomposition, and outlines the methods used in the characterization of spinodal structures in metal matrices. microstructure spinodal...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006331
EISBN: 978-1-62708-179-5
... formation by introducing the scalar relation, known as the additive strain decomposition. The main factors influencing casting deformation are volume changes during solidification and cooling, phase transformations, alloy composition, thermal gradients, casting geometry, and mold stability. The article...
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
... modulation within the β-phase matrix ( Ref 7 , 8 , 9 ), pseudospinodal decomposition ( Ref 7 , 8 , 9 ), and spinodal decomposition of intermediate α phase obtained via congruent β → α transformation ( Ref 10 ). These TPs provide ample opportunities to engineer desired microstructures in terms of size...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006319
EISBN: 978-1-62708-179-5
... 1117 – 1130 10.1016/0001-6160(81)90063-8 4. Caballero F.G. , Chap. 12 , Phase Transformations in Steels , Elsevier Ltd. Publishing , 2012 5. Caballero F.G. , Garcia-Mateo C. , Santofimia M.J. , Miller M.K. , and García de C. Andrés, New Experimental...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005959
EISBN: 978-1-62708-168-9
... plasma parameters were published in relation to the stability of S-phase against the formation of CrN (and occasionally chromium carbides) as well as the effect of such decomposition on, in particular, the corrosion performance ( Ref 28 , 29 , 30 ). The term S-phase surface engineering was coined to...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005574
EISBN: 978-1-62708-174-0
... of oxygen in the matrix as taken from the appropriate phase diagram. In addition, the shape of the oxygen solvus provides some indication of the temperature dependence for the solubility product. In a similar manner, Eq 5 suggests that the solubility product for non-base-material metal oxides...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
... heat treatment, the absence of any hard phases. Figure 4 shows the large negative effects of residual carbon in iron powder on compressibility and green strength. It is equally important for stainless steel powders. Fig. 3 Compressibility curves for various metal powders. Source: Ref 5...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002425
EISBN: 978-1-62708-194-8
... statistical sample. However, any determination of statistical importance must incorporate two phases. First, a decision must be made as to whether the customer need is a hard constraint that must be satisfied, or an objective that can be traded off versus other customer needs. The former must be separated...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... process, Pyron process, atomization of liquid metal, thermal decomposition and the electrodeposition process for carbonyl and electrolytic iron powders. It describes the types of compaction and sintering, explaining their effects of processing with designations. Further, the article deals with the...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003723
EISBN: 978-1-62708-177-1
.... Aaronson H.I. , Decomposition of Austenite by Diffusion Processes , Zackay V.F. and Aaronson H.I. , Ed., Wiley , 1962 , p 387 10. Porter D. and Easterling K.E. , Diffusionless Transformations , Phase Transformations in Metals and Alloys , 2nd ed. , Chapman &amp...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005401
EISBN: 978-1-62708-196-2
... self-consistent (VPSC) analysis; and the crystal-plasticity, finite-element method (CPFEM). The decomposition of the high-temperature metastable bcc beta phase during cooling often results in the preferential selection of a subset of the 12 possible hcp lamellar-alpha variants. This effect has...