Results 91 to 100 of about 30,687 (310)
On the law of mixtures in dual-phase steels [PDF]
Metallurgical Transactions A, 1980 The applicability of the equation of the stress in the ferrite at the ultimate tensile strain to dual-phase steels obtained by heating 1010 and 1020 grades was tested. The law of mixtures describe the tensile strength of 1010 steels provided the dislocation hardening is included.
J. Y. Koo, M. J. Young, G. Thomas
openaire +1 more source
T1 Over Squared Proton Density Ratio to Characterize Multiple Sclerosis Lesions
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Differentiating remyelinated from demyelinated lesions in MS remains challenging without histological confirmation. This study introduces the T1‐to‐PD2 ratio (TPR) imaging approach and evaluates its ability to characterize MS lesions alongside other quantitative MRI (qMRI) metrics. Methods Thirty individuals with MS (mean age: 47.5 ±
Sarah J. Wright +10 more
wiley +1 more source
Optimal control of multiphase steel production
Journal of Mathematics in Industry, 2019 An optimal control problem for the production of multiphase steel is investigated that takes into account phase transformations in the steel slab. The state equations are a semilinear heat equation coupled with an ordinary differential equation, that ...
Dietmar Hömberg +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe +4 more
wiley +1 more source
Efeito do silício e de parâmetros de processo nas microestruturas e propriedades mecânicas de um aço bifásico laminado a frio [PDF]
, 2013 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência e Engenharia de MateriaisOs aços bifásicos têm grande utilização na indústria automotiva, especialmente em função da sua alta ...
Drumond, Juliovany
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QUASISTATIC STRAIN RATES’ EFFECT TO THE PROPERTIES OF ADVANCED STEELS FOR AUTOMOTIVE INDUSTRY
Acta Metallurgica Slovaca, 2016 The paper presents the findings of the strain rate effect, described in constitutive material models by strain rate sensitivity index m, to the strength and deformation material properties.
Emil Evin +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar +2 more
wiley +1 more source
Precipitation and fracture in a ferritic stainless steel
, 2000 Includes bibliographical references.A dual stabilised ferritic stainless steel with titanium and niobium additions had been experiencing failures during production. Following hot rolling and cooling while coiled and prior to annealing, the steel had been
Scott, Adam James Lidstone
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Hot Deformation Behavior of Dual Phase Stainless Steel 00Cr21Ni2Mn5N
Teshugang, 2008 The hot deformation behavior and structure evolution of austenite-ferrite dual phase stainless steel 00Cr21Ni2Mn5N with strain rate 5 - 50 s-1reduction ratio 60% at 850 ~ 1 150 ℃ have been studied by using Gleeble- 3800 thermo-mechanical simulator etc ...
郭海生 +4 more
doaj
Advanced Engineering Materials, EarlyView.Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth +6 more
wiley +1 more source