Results 111 to 120 of about 80,576 (254)
steel research international, EarlyView.Hydrogen‐based direct reduced iron (H‐DRI) melts differently from scrap and carbon‐bearing DRI. This work combines differential scanning calorimetry experiments, FactSage thermodynamics, and simple composition‐based regression to predict solidus, liquidus, heat capacity, and enthalpy for H‐DRI.
Ankur Agnihotri +3 more
wiley +1 more source
AbstractThe methods of synthesis of hematite particles with different shapes are reviewed. Several experimental settings with suspensions of hematite particles are described considering their rolling, spinning in rotating (in vertical or horizontal plane) magnetic field.
M. Brics +2 more
openaire +1 more source
THz-Frequency Spin-Hall Auto-Oscillator Based on a Canted Antiferromagnet
, 2017 We propose a design of a THz-frequency signal generator based on a layered structure consisting of a current-driven platinum (Pt) layer and a layer of an antiferromagnet (AFM) with easy-plane anisotropy, where the magnetization vectors of the AFM ...
Ivanov, B. A. +5 more
core +1 more source
steel research international, EarlyView.Hydrochar‐mill‐scale briquettes with varying C/O molar ratios (0.07–0.90) have been tested at 1650 °C to evaluate their slag foaming performance for electric arc furnace application. All seven briquette recipes developed succeed in promoting slag foaming.
Yu‐Chiao Lu +3 more
wiley +1 more source
Oxide Scale Morphology of Carbon Steels Under Novel Reheating Conditions
steel research international, EarlyView.This study focuses on the changes in oxide scale morphology formed under simulated hydrogen and oxy‐fuel reheating gas atmospheres in comparison to natural gas‐air reheating. Several different properties were analyzed, such as pore structure, ratios of iron oxides, adhesion, and distribution of alloying elements.
Juho Haapakangas +3 more
wiley +1 more source
Archaeometry, EarlyView.Abstract Soils that contain swelling clay minerals (e.g., montmorillonite) expand and contract during wetting and drying, causing movement within the soil profile. This process, known as argilliturbation, can alter artefact distributions, destroy stratigraphy and complicate the interpretation of archaeological deposits.
Caroline Mather +11 more
wiley +1 more source
The First Archaeomagnetic Age at Tiwanaku and Implications for Dating Andean Metallurgical Furnaces
Archaeometry, EarlyView.ABSTRACT This paper presents the first archaeomagnetic dating at Tiwanaku (Andean Altiplano). We compared the geomagnetic field values recorded by a metallurgical furnace against an updated SHAWQ2k‐SH global model and a regional intensity curve, both of which include, for the first time, high‐quality intensity data from the Southern Hemisphere. Results
Judit del Río +6 more
wiley +1 more source
Research on the reduction of Guizhou oolitic hematite by hydrogen
Green Processing and Synthesis, 2016 Oolitic hematite abounds in the Guizhou Province of China but is hard to use with the traditional process. The reduction of Guizhou oolitic hematite by H2 was studied.
Run Huang +4 more
doaj +1 more source
Frictional experiments of dolerite at intermediate slip rates with controlled temperature: Rate weakening or temperature weakening? [PDF]
, 2011 A rotary shear apparatus has been newly set up in Chiba University which can control the temperature near a sliding surface, T_meas, up to 1000°C independently from slip rate, V.
Hirose, Takehiro +3 more
core
Archaeometry, EarlyView.ABSTRACT Twelve metal artifacts from recent excavations at the Sasanian archaeological site of Jahāngir in western Iran have been analyzed. These items include both decorative and utilitarian artifacts. The samples were examined using micro‐X‐ray fluorescence (μ‐XRF), scanning electron microscopy with energy‐dispersive X‐ray spectroscopy (SEM‐EDS), and
Omid Oudbashi +2 more
wiley +1 more source