One of the key issues limiting application Al-Mg-Zn-Cu alloys in automotive industry is forming at a low cost. Isothermal uniaxial compression was accomplished range 300-450 °C, 0.001-10 s-1 to study hot deformation behavior an as-cast Al-5.07Mg-3.01Zn-1.11Cu-0.01Ti alloy. Its rheological presented characteristics work-hardening followed by dynamic softening and its flow stress accurately described proposed strain-compensated Arrhenius-type constitutive model. Three-dimensional processing...

The mature processes of metal oxide semiconductors (MOS) have attracted considerable interest. However, the low sensitivity semiconductor gas sensors is still challenging, and constrains its practical applications. Bimetallic nanoparticles are interest owing to their excellent catalytic properties. This feature bimetallic can solve problems existing in MOS sensors, such as response, high operating temperature slow response time. To enhance acetone sensing performance, we successfully...

Aluminium castings have been widely used in many industries, including automotive, aerospace, telecommunication, construction, consumer products, etc., due to their lightweight, good electric and thermal conductivity, electromagnetic interference/radio frequency interference (EMI/RFI) shielding properties. The main applications of aluminium are automotive industry. For lighweighting purposes, more the vehicle structures reduce weight, improve fuel efficiency, greenhouse gas emissions....

3003 aluminum alloy exhibits commendable corrosion resistance, ease of processing, and good formability, rendering it extensively utilized across many industrial sectors. In this study, the behavior in a homogenized state after hot extrusion deformation an acidic salt spray environment for different times was studied. The microstructure characterized using scanning electron microscopy (SEM), optical microscope (OM), laser confocal (LSCM) etc., while electrochemical methods were employed to...

Interfacial shear fracture behavior of C18150Cu/1060Al/C18150Cu trilayered composite at different temperatures, which was fabricated by high-temperature oxygen-free hot rolling technology. The interfacial microstructure, strength, morphology, and microstructure near the were systematically investigated. results reveal that exhibits a metallurgical mechanical bonding interface, along with interlocking between copper aluminum. As testing temperature increases, strength decreases. At...

The effects of Ce content on the microstructure and phase composition Al-5Ti-1B refiner refining effect Al-5Ti-1B-xCe (x = 0, 1, 5, 10 wt.%) grain size, microstructure, mechanical properties Al-5Mg-3Zn-1Cu alloys were studied. results show that addition 1.0 wt.% in changes TiAl3 from block to strip, massive Ti2Al20Ce is formed. When increases 5.0 wt.%, plate-like surrounded by phase, reticulate Al4Ce With further increasing 10.0 a lot network distribution volume Mg32(AlCuZn)49 as-cast...

Effects of Mg content on the microstructure and mechanical properties low Zn-containing Al−xMg− 3Zn−1Cu cast alloys (x=3−5, wt.%) were investigated. As increased in as-cast alloys, grains refined due to enhanced growth restriction, formation η-Mg(AlZnCu)2 S-Al2CuMg phases was inhibited while T-Mg32(AlZnCu)49 phase promoted when exceeded 4 wt.%. The increase encumbered solution kinetics by increasing size eutectic but accelerated age-hardening through expediting precipitation elevating number...

To understand the operating slip modes and inhomogeneous plastic deformation quantitatively statistically for a high-performance cast Mg−10Gd−3Y−0.5Zr (wt.%, GW103) alloy during room-temperature uniaxial compression, detailed trace analysis electron backscatter diffraction (EBSD) based misorientation of this in aged condition were carried out. After 2% strain, according to relative frequency identified traces, active basal <a> (73.3%), followed by prismatic (15.8%), then second-order...

Effect of in-situ nanoparticles (NPs) induced by Ti addition on the microstructure and tribological properties FeCrB alloys has been investigated systematically various advanced techniques. The results reveal that TiC TiB2 can be formed when adding into they show great contribution to refinement performance improvement FerCrB alloys. With gradual Ti, effect NPs increases initially subsequently decreases. JDF2 alloy (refers containing 1.17 wt % Ti) shows finest exceptional wear resistance....

The 1100 aluminum alloy has been widely used in many industrial fields due to its high specific strength, fracture toughness, excellent thermal conductivity, and corrosion resistance. In this study, the behavior of homogenized hot-extruded acid salt spray environment for different time was studied. microstructure before after characterized by an optical microscope (OM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), a laser confocal (LSCM). difference resistance...

A statistical investigation of the operating slip/twinning modes and their interactions at grain scale over a large area, containing ~400 grains, was carried out on rolled Mg sheets during room-temperature compression based EBSD slip trace analysis. For 10% strain, mode dominated by basal (89%). All 363 identified twins were tension twins. The concave-up stress−strain curve indicated twinning-dominated deformation behavior, which further confirmed twinned area fraction (41%) after...

Due to their exceptional properties and diverse applications, including magnetic devices, thermoelectric materials, catalysis, biomedicine, energy storage, nanoscale metallic multilayer composites (NMMCs) have recently attracted great attention. The alternating layers of two or more metals that make up NMMCs are each just a few nanometers thick. difficulties in producing synthesizing new materials can be overcome by using architectures. By adjusting the layer thickness, composition,...

This study investigates the effects of surface treatments on mechanical properties 4 mm thick flat test specimens made from annealed AA 7075 alloy in three conditions: as-received, shot-peened, and electropolished. Experimental investigations, including cyclic stress response, fatigue life, microstructural observations, properties, are conducted to provide insights into behaviour alloy. The roughness (Ra) values were measured at 546 nm for 830 72 electropolished samples. Push–pull tests a...

The influence of Y content on the grain-scale twinning behavior in extruded Mg—xY (x=0.5, 1, 5, wt.%) sheets under uniaxial tension and compression along direction was statistically investigated. An automatic twin variant analysis employed, based large data sets obtained by electron backscatter diffraction (EBSD), including 2691 grains with 977 twins. {102} (TTW) dominance prevailing anomalous (Schmid factor (m) <0) both were found. more pronounced as increased tensile loading, indicating a...

Investigation of strain partitioning and the underlying deformation mechanisms for both grain interior boundary (GB) is critical understanding complex plastic hexagonal close-packed (HCP) metals. To this end, an automated analysis framework based on high resolution digital image correlation (HRDIC) EBSD data fusion computer vision, integrating nanoscale a large field view, presented here. The consists of: (1) HRDIC-EBSD fusion; (2) Segmenting into individual grains each with core mantle; (3)...