International Journal of Minerals, Metallurgy, and Materials
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A coupled model of TiN inclusion growth in GCr15SiMn during solidification in the electroslag remelting process
International Journal of Minerals, Metallurgy, and Materials - Tập 22 - Trang 1266-1272 - 2015
TiN inclusions observed in an ingot produced by electroslag remelting (ESR) are extremely harmful to GCr15SiMn steel. Therefore, accurate predictions of the growth size of these inclusions during steel solidification are significant for clean ESR ingot production. On the basis of our previous work, a coupled model of solute microsegregation and TiN inclusion growth during solidification has been e...... hiện toàn bộ
Stress corrosion cracking of X80 pipeline steel exposed to high pH solutions with different concentrations of bicarbonate
International Journal of Minerals, Metallurgy, and Materials - - 2013
Synthesis and characterization of spinel Li1.05Cr0.1Mn1.9O4−z F z as cathode materials for lithium-ion batteries
International Journal of Minerals, Metallurgy, and Materials - Tập 17 - Trang 220-224 - 2010
Samples with the nominal stoichiometry Li1.05Cr0.1Mn1.9O4−z
F
z
(z=0, 0.05, 0.1, 0.15, and 0.2) were synthesized via the solid-state reaction method and characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), galvanostatic charge/discharge, and slow rate cyclic voltammetry (SSCV) techniques. The results show th...... hiện toàn bộ
Micromorphology and safety properties of meager and meager-lean coal for blast furnace injection
International Journal of Minerals, Metallurgy, and Materials - Tập 28 - Trang 774-781 - 2021
Four types of meager and meager-lean coal and one type of high-quality anthracite were selected based on the safety requirements for blast furnace coal injection and domestic coal quality to conduct microstructure and component analyses. The analyses of the organic and inorganic macerals and the chemical compositions of the selected coal samples indicate that the four types of meager and meager-le...... hiện toàn bộ
Sự hình thành và phát triển ăn mòn trong cấu trúc vi mô của thép hợp kim thấp dưới lớp phim lỏng NaCl Dịch bởi AI
International Journal of Minerals, Metallurgy, and Materials - Tập 17 - Trang 748-755 - 2010
Các phép đo điện hóa, hiển vi quang học và hiển vi điện tử quét đã được sử dụng để nghiên cứu hành vi ăn mòn của một số thép hợp kim thấp. Các mẫu thép được giữ dưới một lớp phim lỏng mỏng của dung dịch NaCl 0,5wt%. Kết quả cho thấy các loại thép có cùng thành phần hóa học nhưng cấu trúc vi mô khác nhau thể hiện rõ rệt các hành vi ăn mòn khác nhau. Tuy nhiên, hành vi ăn mòn của các loại thép có th...... hiện toàn bộ
#ăn mòn #thép hợp kim thấp #cấu trúc vi mô #NaCl #điện hóa
Effect of decarburization annealing temperature and time on the carbon content, microstructure, and texture of grain-oriented pure iron
International Journal of Minerals, Metallurgy, and Materials - Tập 24 - Trang 393-400 - 2017
In this study, the effect of decarburization annealing temperature and time on the carbon content, microstructure, and texture of grain-oriented pure iron was investigated by optical microscopy and scanning electron microscopy with electron-backscatter diffraction. The results showed that the efficiency of decarburization dramatically increased with increasing decarburization temperature. However,...... hiện toàn bộ
Flexible electronics and optoelectronics of 2D van der Waals materials
International Journal of Minerals, Metallurgy, and Materials - Tập 29 - Trang 671-690 - 2022
Flexible electronics and optoelectronics exhibit inevitable trends in next-generation intelligent industries, including healthcare and wellness, electronic skins, the automotive industry, and foldable or rollable displays. Traditional bulk-material-based flexible devices considerably rely on lattice-matched crystal structures and are usually plagued by unavoidable chemical disorders at the interfa...... hiện toàn bộ
Distribution characteristics of inclusions along with the surface sliver defect on the exposed panel of automobile: A quantitative electrolysis method
International Journal of Minerals, Metallurgy, and Materials - Tập 27 - Trang 1489-1498 - 2020
The specific distribution characteristics of inclusions along with the sliver defect were analyzed in detail to explain the formation mechanism of the sliver defect on the automobile exposed panel surface. A quantitative electrolysis method was used to compare and evaluate the three-dimensional morphology, size, composition, quantity, and distribution of inclusions in the defect and non-defect zon...... hiện toàn bộ
Effects of runner design and pressurization on the microstructure of a high-pressure die cast Mg-3.0Nd-0.3Zn-0.6Zr alloy
International Journal of Minerals, Metallurgy, and Materials - Tập 29 - Trang 1310-1316 - 2022
To clarify the relationship between externally solidified crystals (ESCs) and other defects, e.g., defect bands and pores, two dimensional (2D) and three dimensional (3D) characterization methods were adopted to analyze castings produced using a modified ingate system equipped with and without an ESC collector. The reduction of ESCs strongly reduced defect band width and shrinkage pore quantity. B...... hiện toàn bộ
Microstructural evolution of a heat-treated H23 tool steel
International Journal of Minerals, Metallurgy, and Materials - Tập 22 - Trang 272-284 - 2015
The microstructure and the stability of carbides after heat treatments in an H23 tool steel were investigated. The heat treatments consisted of austenization at two different austenizing temperatures (1100°C and 1250°C), followed by water quenching and double-aging at 650°C, 750°C, and 800°C with air cooling between the first and second aging treatments. Martensite did not form in the as-quenched ...... hiện toàn bộ
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