A Model for the Strength of the As-deposited Regions of Low-alloy Steel Weld Metals 5.1 Nomenclature
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چکیده
The following nomenclature is used in this Chapter: a allotriomorphic ferrite aa acicular ferrite a w Widmanstatten ferrite ~ delta-ferrite !:i.0' increment in yield stress I austenite € true strain € true average strain €~ true plastic strain in softer phase of a dual-phase steel €~I true plastic strain in harder phase of a dual-phase steel €UTS true strain at ultimate tensile stress €y true strain at yielding € strain rate fl. shear modulus of iron-base solid-solution single crystal T y shear stress of iron-base solid-solution single crystal 0' true stress 0' Q microstructural strengthening due to allotriomorphic ferrite 0' a microstructural strengthening due to acicular ferrite O'Fe yield strength of fully annealed pure iron as a function of temperature 69
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