Results 61 to 70 of about 5,034 (218)

Cementite Spheroidization of Drawn Wire during Isothermal Treatment

open access: yes, 2011
Lamellar cementite will be spheroidized in drawn pearlitic steel wire during galvanization process. To understand the evolution of the microstructure in this process, effects of isothermal time on microstructure of drawn pearlitic steel wires were ...
Xian Jun Hu   +3 more
core   +1 more source

Atomic‐Scale Insights Into Tramp Element Segregation and Mechanical Performance of a Low‐Carbon Steel

open access: yessteel research international, EarlyView.
Despite increased hardness, elevated tramp element concentrations in a ferritic‐pearlitic low‐carbon steel lead to enhanced toughness accompanied by a more homogeneous and finer ferritic microstructure. Atom probe tomography reveals pronounced segregation of some tramp elements at grain boundaries and ferrite–cementite interfaces, together with ...
Lukas Hatzenbichler   +6 more
wiley   +1 more source

Fabrication of Fe/C Composites as Effective Electromagnetic Wave Absorber by Carbonization of Pre-magnetized Natural Wood Fibers

open access: yesJournal of Bioresources and Bioproducts, 2019
With the increasing usage of varied electronic devices, the induced electromagnetic interference (EMI) irradiation pollution has become a novel environmental pollution besides of water and air pollutions, drawing a great of interests from the scientists ...
Zhichao Lou   +5 more
doaj   +1 more source

Depth‐resolved X‐ray residual stress analysis on samples with cylindrically shaped surface topography

open access: yesJournal of Applied Crystallography, EarlyView.
Modifications of the fundamental equation of X‐ray stress analysis are proposed that allow correction of the hoop and longitudinal stresses obtained from sin2ψ measurements on samples featuring an inhomogeneous surface topography. The formalism is verified by angle‐ and energy‐dispersive measurements performed on a ferritic steel sample with ...
Manuela Klaus   +4 more
wiley   +1 more source

Structure and phase composition of high-speed steels

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2020
This work is devoted to the study of the structure and phase composition of high-speed steels R6M5, R9 and R18. High service properties of high-speed steel tools are achieved by heat treatment.
Б.К. Рахадилов   +4 more
doaj   +1 more source

Fatigue Assessment of Welded Joints Subjected to Multiaxial Loading Conditions through the Effective Critical Plane Approach

open access: yesFatigue &Fracture of Engineering Materials &Structures, EarlyView.
ABSTRACT Reliable fatigue design of welded components under multiaxial loading demands local criteria able to capture both the stress gradient at the weld notches and the influence of a complex loading condition including non proportionality of the stress‐strain load history. The Effective Critical Plane (ECP) approach, based on a stress averaging over
A. Chiocca, F. Frendo
wiley   +1 more source

DENDRITIC CRYSTALLIZATION OF CAST IRON

open access: yesЛитьë и металлургия, 2015
It is shown that crystallization of the main phases in cast iron happens on the dendritic mechanism. The main phases when hardening cast iron are dendrites of austenite, graphite and a cementite.
V. Stetsenko
doaj   +1 more source

Cementite Formation in CH4-H2-Ar Gas Mixture and Cementite Stability.

open access: yesISIJ International, 2001
Iron ore reduction/cementation by CH 4 -H 2 -Ar gas (35vol% CH 4 , 55vol% H 2 and 10 vol% Ar) was examined in a fixed bed reactor in the temperature range of 600-925°C. Iron oxides were first reduced to metallic iron and then iron was carburised to cementite.
Zhang, Jianqiang, Ostrovski, O.
openaire   +2 more sources

Effects of copper on proeutectoid cementite precipitation [PDF]

open access: yesMetallurgical Transactions A, 1986
The effect of copper on proeutectoid cementite precipitation was investigated by examining the isothermal transformation characteristics of Fe-C and Fe-C-Cu alloys that had comparable carbon contents. The TTT diagrams generated for the Fe-1.43 wt pct C and the Fe-1.49 wt pct C-4.90 wt pct Cu alloys showed that the kinetics of proeutectoid cementite ...
Wasynczuk, J. A.   +2 more
openaire   +2 more sources

Regularities of Cementite Decomposition in Hypereutectoid Steels

open access: yes, 2021
Comprehensive studies have been carried out and the main regularities of cementite decomposition during thermocyclic processing of carbon-based hypereutectoid steels have been ...
Igor V. Minaev   +3 more
core   +1 more source

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