Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,899,997,213 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Eutectoid

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
eutectoid [yü′tek‚tȯid]
(metallurgy)
A mixture of phases whose composition is determined by the eutectoid point in the solid region of an equilibrium diagram and whose constituents are formed by the eutectoid reaction.
(physical chemistry)
The point in an equilibrium diagram for a solid solution at which the solution on cooling is converted to a mixture of solids.

Eutectoid 

a eutectic that forms when a solid solution cools. In a phase diagram, a eutectoid point corresponds to the equilibrium of a solid solution whose phases have dissociated; the number of phases is equal to the number of components. A eutectoid point is analogous to a eutectic point in the case of the solidification of a liquid solution. An example of a eutectoid is pearlite in steel.



Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
It is known that the Ferrite content of the Matrix depends on the Chemical Composition of Ductile Iron on the rate at which it is cooled through the Eutectoid Transformation range.
[FIGURE 2 OMITTED] It also was found that microcarbide formation is controlled by: elements that control carbon diffusion rate between eutectic and eutectoid temperatures; shakeout temperature; and excess concentrations of carbide-forming elements.
For gray iron castings, according to the foundry, a high cooling rate results in: * quick solidification with refined solidification structure; * higher carbon content in the austentite matrix, resulting in a high volume percent of carbide in the pearlite structure; * quick eutectoid phase transformation, resulting in a refined pearlite structure.
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.