2026 October - 110 articles
This study investigates the compressive response of a caisson-ceiling-inspired (CC) lattice developed from curved supporting paths and hierarchical nesting in traditional Chinese caisson ceilings. Four lattice configurations were compared numerically...
The effects of tempering temperature on the microstructure and mechanical properties of Cronidur 30 bearing steel were investigated by XRD, SEM, TEM, EBSD, and mechanical testing. The microstructure evolves systematically with increasing tempering te...
To address the task allocation problem of a gantry-type dual-arm welding robotic system subject to heavy and diverse welding workloads as well as limited operating span, a Dynamic Small-World Genetic Algorithm (DSWGA) for multi-objective optimization...
The strong coupling between the dynamically evolving thermal roll profile and strip shape across a multi-stand hot finishing mill poses a major challenge to shape control. To address this issue, this paper proposes a multi-stand collaborative zone co...
Successive femtosecond laser pulses interact with titanium surfaces modified by earlier irradiation. We combined time-resolved pump–probe imaging with molecular dynamics assisted by a two-temperature model (TTM–MD) to examine the resultin...
This study investigates the relationships between chemical composition, microstructure, and mechanical properties in the Nb–Ta–B ternary alloys over a wide composition range after long-term heat treatment at 1323 K for approximately 2900...
This study investigates a two-stage duplex process for producing low-carbon ferrochrome based on sequential mixing of molten ore–lime and metallic melts, with emphasis on its adaptation to the raw materials and operating conditions of the Aktob...
The strength–ductility trade-off limits the wider application of high-strength titanium alloys in aerospace. Here, a new Ti-3.7Al-3V-3Fe-1.7Mo-0.5Cr alloy is designed based on d-electron alloy design theory and molybdenum equivalence, and the d...
Near-α Ti6321 titanium alloy serves as a critical load-bearing material for deep-sea pressure hulls and polar equipment. These structural components, however, are prone to suffer from creep deformation during long-term service even in cryogenic...
Fused Deposition Modeling (FDM) of AA6061 aluminum alloys faces several critical challenges, including limited parameter control, inefficient thermal debinding, and sintering difficulties associated with oxide formation. These factors hinder the broa...
Pressurized gas-based reduction is central to modern shaft furnace operation, yet the available pressure-dependent kinetics are derived almost exclusively from conventional iron-ore pellets reduced in pure H2, and no systematic dataset exists for van...
Existing nanoindentation methods for residual-stress evaluation often require a stress-free reference and inadequately account for constitutive differences. This study proposes a reference-free model based on elastic unloading work. A two-dimensional...
Achieving strength–ductility synergy in immiscible Ti/Mg laminated composites remains challenging, owing to the absence of metallurgical bonding and the limited slip systems of their hexagonal close-packed (HCP) structures. This study aims to a...
This study examines the effects of nominal Ca additions of 0.001, 0.01, 0.10, and 0.20 wt% on the oxygen, nitrogen, and sulfur contents, as well as on the microstructure and mechanical properties, of IN738 alloy. As the nominal Ca addition increases...
Bayer red mud is a highly alkaline, fine-grained solid waste generated at ~180 million tons per year, posing persistent environmental hazards while containing recoverable Fe, Al, Ti, and rare earth elements. This review critically evaluates selective...
Regulatory limits on coefficient of restitution (COR ≤ 0.830) and characteristic time (CT ≤ 239 μs) constrain macro-geometry-based performance gains in Ti-6Al-4V driver heads, while repeated high-velocity cyclic impacts cause surface micro-w...
Aluminum production is energy-intensive and generates large quantities of dross. Aluminum dross, which forms on the melt surface during the melting and refining stages, consists primarily of aluminum oxides and nitrides. Meanwhile, aluminum dust capt...
To improve the fundamental phase-equilibrium data for Ti-bearing refining slag systems and provide a thermodynamic basis for the design of refining slags for high-Ti steel, the phase equilibria of the CaO-Al2O3-TiO2 system were systematically investi...
The cold creep of titanium alloy sheets has long been a critical issue for marine equipment. So far, the orientation dependence of such behavior remains far from understood, threatening the dimensional stability and service safety of long-term load-b...
The rapid development of the new energy industry has led to a significant increase in the demand for lithium. The electrolytic aluminum industry generates a large quantity of lithium-bearing waste slag each year. Long-term stockpiling of this slag no...
Al-Cr-Fe-Ni eutectic high-entropy alloys (EHEAs) with an FCC + B2 dual-phase microstructure are promising candidates for high-temperature structural applications, yet the competitive oxidation behavior between the two phases at elevated temperatures...
Because of the increasing demand for lithium, interest has grown in developing highly efficient methods to separate lithium from non-conventional sources such as lithium clays. This study assesses electrodialysis (EDU) and capacitive deionization (CD...
This study investigates the microstructure and texture inheritance of cold-pilgered Ti-3Al-2.5V titanium alloy tubes for aerospace hydraulic systems during recrystallization annealing at 590 °C, 620 °C, and 720 °C. Tubes with radial and c...
This review examines current approaches to the development of multicomponent functional systems based on secondary aluminum alloys, mechanochemically modified metal powders, metal–organic frameworks, and aerosol-generating materials. It is show...
The evolution of mold flux performance in the mold induced by tundish flux drainage is important for understanding mold flux failure, yet few studies address this issue. This study systematically investigates and elucidates the relationship between t...
Continuous carbon fiber-reinforced aluminum matrix (Cf/Al) composites offer excellent mechanical properties but face fabrication challenges due to poor wettability and the formation of brittle Al4C3 at high temperatures. Ultrasonic consolidation (UC)...
Multi-pass cold drawing and subsequent annealing are critical processing steps determining the microstructure and mechanical performance of vanadium wires, as they directly influence the performance of the final product. This study systematically inv...
Mg-Nd-Gd-Zn-Zr alloys containing 0, 0.20, and 0.75 wt.% Sr were prepared by gravity casting to investigate the effects of Sr microalloying on as-cast microstructure, solution-treatment response, and age-hardening behavior. The alloys were characteriz...
Mn-Cu alloys have attracted considerable attention as structural damping materials because they combine excellent damping capacity with relatively good mechanical properties. However, realizing effective strength-damping synergy still constitutes a c...
Arsenic contamination in drinking water poses a serious global public health threat, driving an urgent need for cost-effective technologies capable of efficient trace-level arsenic removal. In this study, a spherical iron–manganese composite ad...
For coarse-diameter electroplated diamond wires, the traditional horizontal sanding process suffers from inhomogeneous circumferential abrasive distribution, a lengthy manufacturing process, and poor production consistency. To address these issues, a...
This work investigates the impact of oxygen content in shielding gas on GTAW joints of commercially pure titanium. Commercially pure titanium GTAW welds exhibit unique color characteristics, with silver, straw, and white/gray indicating varying degre...
Flow characteristics constitute a fundamental factor governing the metallurgical performance of a tundish. The flow behavior of molten steel directly determines the floating removal efficiency of inclusions, the occurrence of slag entrainment, and th...
This study investigated the relationship between the solidification microstructure and the corrosion susceptibility of Inconel 625 fabricated by directed energy deposition (DED). Specimens were deposited under three coupled processing conditions, in...
Al2O3-based inclusions in Ti-bearing ultra-low-carbon steel readily promote stopper-rod accretion and submerged entry nozzle clogging, thereby impairing molten steel cleanliness and casting stability. This study evaluated the performance of an LGTF11...
Increasing the proportion of pellets in blast furnace (BF) burdens raises the raw material iron grade and reduces slag volume, thereby lowering fuel consumption. However, due to their dense microstructure, pellets typically exhibit low degrees of red...
Chip-splitting can reduce cutting resistance, but its abrupt transition makes quantitative prediction difficult. This study proposes a catastrophe theory-informed framework for predicting the chip state and specific cutting force in the thread turnin...
Fe–Cr–Co alloys are deformable hard-magnetic materials that combine high coercivity with the possibility of conventional thermomechanical processing. In this work, the transition from limited ductility to superplastic deformation was inve...
This study compares high-grade non-oriented electrical steels without rare-earth addition and with a La-Ce combined rare-earth treatment. Optical microscopy, X-ray diffraction (XRD), and electron backscatter diffraction (EBSD) were used to characteri...
The combined damage induced by the nitrate molten salt corrosion and cyclic loading at elevated temperatures is an important damage issue for the reliable operation of concentrated solar power (CSP) plants. In previous works, the effect of the molten...
High-entropy alloys (HEAs) and refractory high-entropy alloys (RHEAs) have received considerable attention as innovative reinforcements to replace traditional ceramics in lightweight matrices. However, understanding how different high-entropy systems...
The solvent extraction and separation process for scandium(III) (Sc) and titanium(IV) (Ti) from titanium white waste acid (TWWA) was studied. The influences of process parameters, including extractant type, feed solution acidity, and di(2-ethylhexyl)...
This study provides a comprehensive analysis of the mechanical properties and structural integrity of butt-welded P91 creep-resistant steel pipe joints utilized in high-pressure piping systems. Two pipe specimens with an outer diameter of Ø48....
Wire Laser Additive Manufacturing (WLAM) has emerged as a promising directed energy deposition technology, combining the high deposition efficiency of wire-fed processes with the localized heat input and dimensional accuracy provided by laser process...
Severe surface wear serves as a critical factor that limits the service life and operational reliability of precision mechanical components, whereas protective coatings offer an effective approach to mitigate surface wear and prolong the service life...
The effects of post-diffusion annealing on the microstructure and coercivity of sintered Nd-Fe-B magnets are investigated using a Pr66Tb10(CoAlGa)24 diffusion source. Grain boundary diffusion increases the coercivity from 8.95 to 23.20 kOe, while sub...
A custom low-chromium MoNiCr alloy produced by wire-fed laser directed energy deposition (W-DED) was exposed to eutectic LiF–BeF2 (FLiBe) at 750 °C for 1000 h to assess corrosion of the retained deposition surface. A nominally 100 × 1...
Ammonia leaching constitutes a selective route for the recovery of metals from used lithium-ion batteries, but the relationship between the extraction of metals and the evolution of residues remains insufficiently understood. This study focused on th...
Agricultural machinery components are subjected to multiple failure challenges, including wear, corrosion, and fatigue, during prolonged service under complex operating conditions. Surface coating technology is a critical approach to enhance service...
A vertical-type high-speed twin roll caster can cast aluminum alloy strip at speeds from 20 to 90 m/min; however, surface cracks occur on the cast strip. In Al-Si alloys, surface cracks are known to occur when the Si content is less than 5 mass%. The...
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