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homogenization

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540001
EISBN: 978-1-62708-309-6
... that influences the physical and mechanical properties of a substance, and makes each class of materials unique. The exception may be composites, which are not homogeneous materials. A composite is a kind of engineered material that consists of particulate fillers or strong/stiff fibers in a soft matrix...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140107
EISBN: 978-1-62708-264-8
... for high-carbon steels). It also addresses process-specific issues, explaining how the presence of carbides (in the two-phase process) produces significant changes, and how homogenization and austenite grain growth influence the single-phase process. austenitization cast iron high-carbon steel low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220009
EISBN: 978-1-62708-259-4
... changed over time, and describes secondary refining processes such as degassing, homogenization, rinsing, and remelting. blast furnace electric arc furnace The classical definition of steel is “an iron-carbon alloy with up to [about] 2% carbon” ( Ref 1 ). This limit is taken from the maximum...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... Abstract This chapter is a detailed account of various attributes related to mixing and testing of powder-binder feedstocks. Mixing parameters and their effects on feedstock properties is discussed. The attributes reviewed include mixture homogeneity, wetting, powder-binder ratio, feedstock...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... Abstract This article addresses some established protocols in characterizing thermoplastics, whether they are homogeneous resins, alloyed or blended compositions, or highly modified thermoplastic composites. It begins with a description of various approaches used for the determination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780199
EISBN: 978-1-62708-281-5
... Abstract This article describes the general aspects of and practical problems of failure analysis of creep, stress relaxation, and yielding for homogeneous polymers. The effect of temperature and strain rate on the relationship between yield point and elastic modulus and the aging effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... by the distribution of velocity components and strain rates. It describes the conditions associated with homogeneous deformation in a frictionless upset forging and explains how they can also be obtained using engineering and true stress-strain curves. flow stress plane stress plastic deformation strain rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030169
EISBN: 978-1-62708-282-2
... coatings. The processing steps that can have relatively significant impact on corrosion resistance are homogenization, rolling, extrusion, quenching, aging, and annealing. chemical composition corrosion resistance aluminum aluminum alloys claddings anodizing conversion coatings homogenization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... Abstract Structural and fracture mechanics-based tools for metals are believed to be applicable to nonmetals, as long as they are homogeneous and isotropic. This chapter discusses the essential aspects of the fatigue and fracture behaviors of nonmetallic materials with an emphasis on how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... homogenization, and the cause of casting defects, including cracking and splitting, segregation, porosity, and grain growth. aluminum alloys billets casting casting defects The extrusion process consists of four major components, hydraulic press, die, tooling, and billet casting. In the previous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400027
EISBN: 978-1-62708-316-4
... Forming. Mechanics and Metallurgy , 2nd ed. , Prentice-Hall , 1993 3.4 Johnson W. and Mellor P.B. , Engineering Plasticity , Van Nostrand Reinhold , 1973 3.5 Lange K. , Handbook of Metal Forming , McGraw-Hill , 1985 Homogeneous deformation refers to the state...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310161
EISBN: 978-1-62708-286-0
... processing can become catastrophic to mechanical properties and corrosion resistance. The thermal processing of stainless steels can have many purposes. Normally, the objectives are simple: heating for hot working, annealing to soften after cold working, solution annealing to homogenize, heating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240053
EISBN: 978-1-62708-251-8
... Nucleation and growth during solidification Nucleation can occur by either homogeneous or heterogeneous nucleation. Homogeneous nucleation occurs when nucleation takes place throughout the bulk of the liquid without preference for any point; that is, the probability of nucleation is the same...
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 a homogeneous AB compound. Therefore, a decrease in free energy is produced by the A and B atoms diffusing away from regions of high concentration to regions of low concentration, or down the concentration gradient. This being said, diffusion can occur up a concentration gradient if the free energy...
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
... areas will nucleate within the disordered phase and begin to grow into ordered domains. These ordered domains can also form by a continuous ordering mechanism, where local atomic rearrangements occur homogeneously throughout the disordered phase, creating ordered domains. As the temperature is decreased...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
...′ precipitate has only approximately 0.1% lattice mismatch with the γ matrix, γ′ precipitates are both homogeneous and have a low surface energy, leading to extraordinary high-temperature stability. The coherency between the precipitate and matrix is maintained to high temperatures, and the precipitate coarsens...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220129
EISBN: 978-1-62708-259-4
.... continuous casting hot cracking ingot casting macrosegregation microporosity nonmetallic inclusions solidification shrinkage steel Modern steelmaking and refining processes are capable of producing large masses of highly homogeneous steel, both chemically and thermally. However, these liquid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
..., the survey of heat treatment furnaces to determine temperature homogeneity is frequently overlooked, or is only done when explicitly required by a client or a standard. For the whole volume of the furnace to maintain reasonable variations of temperature with respect to that measured by the control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190035
EISBN: 978-1-62708-296-9
... Stoichiometry composition, Cr Range of Cr homogeneity Additions in technical alloys Ref at.% wt% μ Cr Al 4 Cr 20 32.5 30.4–33 wt% 19.7±0.5 at.% 10.4 at.% Ni 4 , 5 , 8 , 10 θ Cr Al 7 Cr 12.5 21.6 21.4–23.4 wt% 13.8±0.3 at.% 0.3 wt% Si η Cr Al 11 Cr 2 15.4 25.6 25.7–28 wt...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420015
EISBN: 978-1-62708-310-2
... other states of matter; that is, the liquid and vapor states. Consider a metal specimen in the solid state that consists of 50% iron atoms and 50% copper atoms ( Fig. 2.1a ). These atoms do not form a homogeneous solid under equilibrium conditions; rather, they form two different solids, one rich...