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Final Exam - Flashcards

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Class:IME 301 - Engineering Materials
Subject:Industrial/Manufacturing Engrg
University:Kettering University
Term:Winter 2011
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Age Hardening Heat-treat process that increases hardness vie precipitation of some type of phase, often a compound
Bainite MIcrostructure that consists of a mixture of Alpha Iron with samll Fe3C particles that has a hardness in Rc range of 40-45
Cementite Fe3C (Iron Carbide)
Extrusion Process of forcing a material through a die into a certain desired shape.
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Martensite Metastable phase formed by quenching
Tempering Process of annealing martensite whereby it decomposes into alpha + Fe3C
Jominy end-quench test Method of measuring hardenability whereby a specimen is quenched from one end only.
Hardenability Capability to harden steel. The depth to which a steel bar can be hardened.
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Equilibrium The condition where phases can exist in the same system with zero net change among the phases
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 Age HardeningHeat-treat process that increases hardness vie precipitation of some type of phase, often a compound
 BainiteMIcrostructure that consists of a mixture of Alpha Iron with samll Fe3C particles that has a hardness in Rc range of 40-45
 CementiteFe3C (Iron Carbide)
 ExtrusionProcess of forcing a material through a die into a certain desired shape.

 MartensiteMetastable phase formed by quenching
 TemperingProcess of annealing martensite whereby it decomposes into alpha + Fe3C
 Jominy end-quench testMethod of measuring hardenability whereby a specimen is quenched from one end only.
 HardenabilityCapability to harden steel. The depth to which a steel bar can be hardened.
 EquilibriumThe condition where phases can exist in the same system with zero net change among the phases