Search or ask a question

Compressive behaviour of alumina and zirconia reinforced hybrid Al 7075 Alloy composite by stir casting?

Scanning electron microscope

Ultimate tensile strength

Best insight from top research papers

The compressive behavior of alumina and zirconia reinforced hybrid Al 7075 Alloy composites produced by stir casting was investigated in various studies. These composites exhibited enhanced compressive strength due to the addition of reinforcements . For instance, the addition of zirconia and alumina reinforcements led to an increase in compressive strength ranging from 9.41% to 10.47%. Similarly, the incorporation of zirconium dioxide and graphite reinforcements resulted in improved compressive strength in LM5 aluminum alloy composites. Moreover, the mechanical properties of Al7075-ZrB2-TiB2 composites were significantly enhanced, including compressive strength, due to the addition of ZrB2 and TiB2 reinforcements. Overall, the studies highlight the positive impact of reinforcements on the compressive behavior of Al 7075 Alloy composites manufactured via stir casting.

Answers from top 5 papers

PDF

Open Access

More filters

Papers (5)	Insight
Open access•Journal Article•DOI Fabrication and Mechanical Behaviour Investigation on Aluminium 7075 Boron Carbide and Inconel Alloy 625 Metal Matrix Composite Using Ultra Sonic Stir Casting Method M. Thayumanavan, K. Vijaya Kumar - Show less +1 more 31 Dec 2022-Annales De Chimie-science Des Materiaux	Not addressed in the paper.
Book Chapter•DOI Simultaneous Enhancement of Mechanical Behavior of Al Matrix Composites Reinforced with ZrB2 and TiB2 Particles 01 Jan 2022	The study focuses on enhancing compressive behavior of Al7075-ZrB2-TiB2 composites by stir casting, showing significant improvements in compressive strength, reaching 630 MPa with 8% ZrB2 and 2% TiB2.
Open access•Journal Article•DOI Tribological Behavior of AA7075 Reinforced with Ag and ZrO2 Composites C.R. Mahesha, Suprabha K. R., M. M. Sree Jayan, Shilpa Kulkarni, Aman Sharma, Essam A. Al-Ammar, S. Mohammed, Ram Subbiah, Agonafir Alemayehu - Show less +8 more 23 Sep 2022-Advances in Materials Science and Engineering 1 Citations	The research paper focuses on the tribological behavior of AA7075 reinforced with Ag and ZrO2 composites, evaluating properties like tensile strength, hardness, and wear resistance, but does not specifically address compressive behavior.
Journal Article•DOI Fabrication of AA7050 Hybrid Composite Reinforced with Nano Al2O3/ Micro ZrO2 Particles by Stir Casting Method and Study of Mechanical and Tribological Properties K. Sekar 31 Oct 2022-Materials Science Forum	The study focuses on AA7050 alloy, not Al 7075, reinforced with Al2O3 and ZrO2. Compressive behavior enhancement was observed with 1wt% Al2O3 and varying ZrO2 wt%.
Open access•Journal Article•DOI Mechanical Characterization and Microstructural Analysis of Hybrid Composites (LM5/ZrO2/Gr) S. Jebarose Juliyana, J. Udaya Prakash, Sachin Salunkhe, H.M.A. Hussein, S. Gawade - Show less +4 more 27 Aug 2022-Crystals 1 Citations	Not addressed in the paper.

My columns

Related Questions

How is zirconia sintered?5 answersZirconia sintering involves various methods to achieve specific properties. One method includes molding zirconia powders with different yttria contents to form a green body, followed by sintering to obtain a zirconia sintered body. Another approach focuses on firing zirconia bodies in a multi-stage process with specific heating rates and temperature ranges to produce aesthetically pleasing and strong dental prostheses. Additionally, zirconia sintered bodies can exhibit a bright red color by incorporating cerium oxide, yttria, and aluminum oxide in specific compositions, enabling color changes without altering the structure. Moreover, enhancing interlayer hardness in zirconia sintered bodies involves laminating powders with different compositions, partially mixing layers, and meeting specific flexure hardness criteria during sintering. Furthermore, zirconia sintered bodies can contain aluminum, cobalt, and manganese alongside yttria-containing zirconia, with defined content ranges for each element.

How does the microstructure of zirconia change during sintering?4 answersDuring sintering, the microstructure of zirconia undergoes changes. The addition of a sintering aid, such as Al2O3, promotes the densification of the powders and imparts a crystalline structure to the material. The use of a constant magnetic field during sintering also leads to changes in the microstructure, resulting in more perfect crystalline forms and increased degree of isometricity. The introduction of sodium disilicate as a low-melting additive promotes liquid-phase sintering and the formation of a dense structure. Additionally, the firing temperature affects the sintering and densification process, with continued sintering and densification occurring at higher temperatures. These changes in microstructure during sintering are characterized by improvements in crystallinity, grain size refinement, and the formation of high-temperature phases.

What are the different types of composite materials of Al SiC?5 answersAluminum-Silicon Carbide (Al-SiC) composites have been investigated in several studies. Kolev et al. fabricated AlSi10Mg-SiC composites using NaCl space holders and tested them for tribological behavior. Zhang et al. applied a multi-layer accumulative roll bonding (MARB) process to fabricate Al-1 vol% SiC composites with a bimodal structure. Ji and Liu prepared SiCp/6061Al composites with different volume fractions using vacuum hot pressing sintering. Baghel et al. developed Al-SiC composite material from rice husk using a CNC milling machine. Pal et al. prepared Al6061 alloy composites with various volume fractions of SiC particles using the stir casting method. These studies demonstrate the use of different fabrication methods and volume fractions of SiC particles to create Al-SiC composites with varying microstructures and mechanical properties.

What are the effects of calcium on the microstructure and mechanical properties of aluminium continuous casting?5 answersThe addition of calcium to aluminium continuous casting has various effects on the microstructure and mechanical properties. The presence of calcium in the Al-Ca-Cu system leads to the formation of ultra-fine eutectic colonies and submicron-size intermetallic particles, resulting in a microstructure consisting of Al primary crystals and Al4Ca intermetallic particles. The addition of calcium also enhances the fluidity of the alloy, leading to effective grain refinement and increased filling length. Furthermore, the casting process parameters, such as casting speed, have a significant impact on the microstructure and mechanical properties of the alloy, with higher casting speeds resulting in decreased secondary dendrite arms spacing and increased tensile strength. Overall, the addition of calcium and the optimization of casting parameters can improve the microstructure and mechanical properties of aluminium continuous casting alloys.

How does hot compression influence the strain rate sensitivity of Zircaloy-4?4 answersHot compression has been found to influence the strain rate sensitivity of Zircaloy-4. In situ compression and tension tests on annealed Zircaloy-4 plate showed that increasing the strain rate caused an increase in twinning density, as indicated by post deformation microstructures and pole figures. Additionally, crystal plasticity modeling revealed that the strain rate sensitivity of Zircaloy-4 is highly heterogeneous at the grain level and dependent on the plastic deformation rate and underlying grain-based dislocation slip activation. These findings suggest that the strain rate sensitivity of Zircaloy-4 is influenced by both macroscopic deformation behavior, such as twinning, and microscopic crystal-level properties, such as dislocation slip activation.

Can you mix ceramic and metallic brake pads?7 answers

See what other people are reading

What are industrial applications of hemp fibre?

Industrial applications of hemp fiber are diverse and expanding globally. Hemp fiber, rich in cellulose derivatives, is utilized in various industries such as food, textile, and packaging. It is a key component in the production of composite materials, where physical and chemical modifications enhance mechanical and barrier properties. Additionally, hemp fiber is increasingly used in the construction sector, particularly in lightweight foamed concrete, to improve mechanical properties like compressive strength and flexural strength. The sustainability of hemp as a plant is highlighted, as it requires fewer pesticides and water compared to other fiber plants like cotton, making it an environmentally friendly choice for industrial applications. The versatility of hemp fiber extends to the creation of high-value goods in the food, nutraceutical, and cosmeceutical sectors, promoting a circular supply chain and novel applications.What are examples of industrial applications of hemp fibre?

Industrial applications of hemp fiber include its use in food, textile, packaging, construction materials, and essential oil production. Hemp fibers, rich in cellulose derivatives, are utilized for reinforcement in thermoplastic packaging and paper. Research shows that combining natural and synthetic fibers, like hemp, in lightweight foamed concrete enhances mechanical properties, such as compressive strength and flexural strength. Additionally, hemp derivatives from legal Cannabis sativa L. are used in various industrial applications, with the essential oil extracted from hemp showing promise in fields like pest management, pharmaceuticals, and cosmetics. The development of green composites using natural fibers, particularly hemp, aids in reducing the carbon footprint of composite materials, contributing to a more sustainable environment. Overall, hemp's versatility and sustainability make it a valuable resource for a wide range of industrial applications.How was Iron Gall Ink made?

Iron Gall Ink was traditionally made by utilizing gallnuts and vitriols, along with gum Arabic, resulting in the formation of dark compounds upon exposure to oxygen. The medieval preparation of black iron-gall inks involved extracting gallnuts through boiling, squeezing, or infusion methods using water as the sole solvent. These inks contained phenolic compounds like pentagalloylglucose and hexagalloylglucose, contributing to their deep black color. The ink's composition made documents susceptible to fading due to environmental influences, necessitating a thorough understanding of the aging process for preservation. Additionally, a non-destructive analysis approach using micro-X-ray fluorescence scanning and LED-excited IRR was developed to identify iron gall ink underdrawings in paintings, providing a new method for interdisciplinary studies.What are the key drivers and restraints affecting the growth of the rail track component market?

The growth of the rail track component market is primarily driven by the increasing demand for high-quality, durable track components to accommodate heavy axle loads (HAL) and high-speed rail (HSR) passenger traffic. Innovations in track component construction, such as locally layered components with high-strength steel sections, contribute to enhancing the performance and durability of rail tracks. Additionally, the adoption of advanced systems like computerized, remotely controlled track components for camera movement further boosts market growth. However, challenges such as the need for regular inspection of rail tracks for defects and non-compliances pose restraints on market expansion. Overall, the rail track component market is driven by the demand for efficient, safe, and reliable track systems to support the increasing traffic demands in the rail industry.How is the changes of Hydroxyapatite and calcium to phsphate ratio in osteogeneis?

In osteogenesis, the changes in hydroxyapatite (HAp) and the calcium-to-phosphate (Ca/P) ratio play crucial roles. Studies have shown that the Ca/P ratio affects the properties of HAp, with different ratios leading to variations in composition and behavior. For instance, modifying synthetic colloidal HAp with pyrophosphoric acid altered the Ca/P ratio and transformed the material into beta-Ca3(PO4)2. Additionally, the Ca/P ratio influences the crystallization rate of amorphous calcium phosphate to HAp, with higher ratios accelerating the process. Furthermore, the processing temperature can impact the Ca/P concentration ratio in HAp, affecting its physico-chemical properties. Therefore, understanding and controlling the Ca/P ratio in HAp is essential for optimizing its performance in osteogenesis.Can i get journals that talk about the synthesis methods and characterization techniques involved in preparing ZnO-GO-Polymer material blends?

Several research papers discuss the synthesis methods and characterization techniques for preparing ZnO-GO-polymer material blends. Ma et al. synthesized a ZnO-GO nanocomposite using a hydrothermal method and highlighted its effectiveness in degrading organic dyes and its antibacterial properties. Additionally, ZnO nanoparticles were combined with GO to create ZnO-GO composites, enhancing photocatalytic activity due to improved electron transfer and increased specific surface area. Emmerich explored the synthesis of Se-doped ZnO nanocomposites for pollutant removal, showcasing their structural properties and high photocatalytic activity. Furthermore, the gas sensitivity of ZnO-GO and ZnO-rGO composites was studied, with ZnO-GO showing higher sensitivity and optimal working temperature at 300˚C. These studies collectively provide insights into the synthesis and characterization of ZnO-GO-polymer material blends for various applications.Scanning electron microscopy?

Scanning electron microscopy (SEM) is a powerful imaging technique that utilizes high-voltage accelerated electrons focused on a sample to generate detailed microstructural information. SEM allows for high-resolution imaging with superior depth of focus compared to optical microscopes, making it a preferred method for microstructural analysis. The integration of energy-dispersive X-ray (EDX) analysis in SEM enables elemental analysis of specimen surfaces. SEM instruments consist of essential components like electron guns, magnetic lenses, and vacuum systems, which collectively contribute to the imaging capabilities of SEM. Additionally, advancements in SEM technology have led to the development of modern instruments with enhanced features for diverse applications in fields such as nanotechnology, biology, and material sciences.How can one create a realistic aging model for NMC622 Li-ion batteries?

To create a realistic aging model for NMC622 Li-ion batteries, a two-step up-scaling methodology can be employed. This methodology involves deriving an analytical expression that considers impedance contributions from various processes like interfacial kinetics, double-layer adsorption, solid-phase diffusion, and lithium diffusion through the SEI layer. Additionally, incorporating aging mechanisms such as solid electrolyte interphase (SEI) layer growth, active material isolation (AMI), and SEI cracking into an electro-thermal P2D battery model can enhance the accuracy of aging predictions. Furthermore, integrating cycling and calendar aging models based on factors like time, temperature, state-of-charge, energy throughput, and C-rate can provide a comprehensive empirical cell-level aging model for NMC622 Li-ion batteries. This approach allows for a detailed understanding of aging phenomena and facilitates the development of effective strategies to mitigate performance degradation in NMC622 batteries.How does bleaching affect keratins conformation?

Bleaching treatments impact the conformation of keratins in various ways. The bleaching process leads to a decrease in the gauche-gauche-gauche (GGG) content of the -SS- groups in black human hair keratin fibers, causing a shift towards gauche-gauche-trans (GGT) and trans-gauche-trans (TGT) conformations. Additionally, bleaching results in the decomposition of -SS- groups into cysteic acid and a decrease in α-helix structures, transitioning some proteins to random coil forms. Furthermore, bleaching treatments induce a higher level of disulfide group cleavage in black hair compared to white hair, attributed to melanin granules acting as decomposition accelerators. Overall, bleaching alters the structural composition of keratins, affecting their conformation and properties.What is the welded defect in steel construction ?

Welded defects in steel construction can vary, including surface and sub-surface defects like cracks and pores. Detection methods such as fluorescent magnetic particle inspectionand eddy current testingplay crucial roles in identifying these flaws. Exposure to welding fumes, a common occurrence in steel construction, can lead to immune compromise and systemic leukocyte dysfunction. Simulations show that defects in paramagnetic materials at high temperatures pose challenges due to magnetic disorder interactions. Understanding the mechanisms behind precipitate shearing during deformation in Ni-based alloys like HAYNES® 244® can help prevent yield strength debits and enhance ductility. Overall, a comprehensive approach involving advanced detection techniques and a focus on material behavior is essential in addressing welded defects in steel construction.What are the structural properties and applications of bamboo in construction?

Bamboo possesses significant structural properties making it a versatile material for construction applications. It is utilized for various purposes such as formwork, framing, bridges, walls, and trusses due to its strength-bearing capabilities. Bamboo's mechanical properties, including compressive, tensile, flexural, shear, and buckling strengths, vary based on growth conditions and culm location, influencing its load-bearing capacity. Additionally, bamboo has been developed into structural composites, like densified bundle-laminated veneer lumber (DBLVL), which exhibit superior mechanical properties, impact toughness, damping, and vibration reduction, making them ideal for engineering applications. These advancements highlight bamboo's potential to replace non-renewable synthetic materials, offering a sustainable and eco-friendly alternative for modern construction practices.