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Showing 1 to 20 of 58 for “"Aluminium alloy"”.
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Aluminium Alloy Design Using Machine Learning
Aluminium alloys play a pivotal role in modern engineering and manufacturing, owing to their unique combination of strength-to-weight ratio. The design of aluminium alloys often encounters a trade-off between strength and ductility, making it challenging to achieve desired properties. Machine …
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Aluminium Alloy Design Using Machine Learning
Aluminium alloys play a pivotal role in modern engineering and manufacturing, owing to their unique combination of strength-to-weight ratio. The design of aluminium alloys often encounters a trade-off between strength and ductility, making it challenging to achieve desired properties. Machine …
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Warm compaction of aluminium alloy Alumix 123
… and improve the mechanical properties of aluminium Al-Cu-Si-Mg P/M alloy Alumix 123 by application of a warm compaction process. They were achieved by investigating the effect of (a) compaction pressure/temperature, (b) admixed lubricants (e.g. Acrawax C and Kenolube P11) on green/sintered …
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Direct selective laser sintering of aluminium alloy powders
The SLS/SLM of aluminium powder had been investigated by studying the effect of powder properties and laser processing parameters on the microstructures and properties of both single layer and multiple layer builds. On the basis of experimental evidence, the SLS/SLM of aluminium powders could be …
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Cryomilling and Spark Plasma Sintering of 2024 Aluminium Alloy
Aluminium alloys are characterized by a low specific weight, which make them highly interesting for structural applications. Mechanical properties are lower than those of steels, so the possibility to obtain an increase by means of the structural refining (either nano- or ultra-fine grained …
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The effect of stabilization heat treatment on AA5182 aluminium alloy
AA5182 aluminium alloy is used for the manufacturing of can ends for beverage cans. The alloy selection for this part is based on the formability of the material and its resistance to softening over time. Owing to the intricate design of the can end opening tab, it is vital that the material …
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Microstructural analysis of aluminium alloy 2096 as a function of heat treatment.
… of stress corrosion cracking (SCC) of Al-Li-Cu alloy AA2096 was carried out as a function of isothermal aging time at 160°C. Two tempers were analysed for this study: under-aged at 4 hours (UA4) and under-aged at 12 hours (UA12). Transmission electron microscopy (TEM) was used to document T1 …
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Pressure infiltration behaviour and properties of aluminium alloy - Oxide ceramic preform composites
… the processing and properties of MMCs with Al alloy matrices. A ceramic volume fraction of 0.30 to 0.40 was used to keep a preponderant metallic behaviour and the reactivity of MgO, TiO2, Al2O3-SiO2 and Al2O3-TiO2 preforms was compared to pure Al2O3. Two stages were found during infiltration: …
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Characterisation of a new nanostructured aluminium alloy and piston design for internal combustion engines
… new lighter materials such as the nanostructured aluminium alloy used in this research. The aim of this research was to characterise a new nanostructured aluminium alloy and use heat treatment to optimise its mechanical properties for application as a lightweight engine piston material. The …
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The study of intermetallic particles in aluminium alloy AA3104 can-body stock during homogenisation
Aluminium alloy AA3104 is commonly used for the manufacture of beverage can bodies. This alloy has excellent formability and strength properties. The evolution of the AA3104 microstructure and intermetallic particles during thermo-mechanical processing (TMP) has a direct impact on quality …
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Fatigue life and mechanical behaviour of aluminium alloy aa6061 chips prepared by hot extrusion process
… on fatigue life and mechanical behaviour of aluminium alloy aa6061 chips prepared by hot extrusion process was undertaken in this research. The fatigue, mechanical and physical properties of extruded products were investigated under varying preheating temperatures (PHT) of 450 °C, 500 °C, 550 …
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Quenching and tempering effects on Rheo-cast F357 aluminium alloy during Nd: YAG laser welding
Al-Si-Mg casting alloys are being used in automotive applications, aerospace applications and other applications requiring heat-treatable permanent mould castings that combine good weldability with high strength and toughness (ASM). These casting alloys are also known for their excellent …
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Microstructural evolution during hot deformation of the 6061 aluminium alloy based Al₂O₃ metal matrix composites
… direct casting techniques to produce aluminium alloy based metal matrix composites and the successful fabrication of these composites by extrusion and forging processing has contributed to their successful commercialization. The Center for Metallurgical Process Engineering recently …
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The effect of laser shock peening and shot peening on the fatigue performance of aluminium alloy 7075
… fatigue properties of both 7075-T6 and 7075-T0 aluminium round bar test specimens were investigated and compared by means of cyclic 3-point bend fatigue testing. This investigation focused on the role that the peening induced microstructure, surface morphology and hardness had on the fatigue …
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A study of the forming limits of cold and hot forming of aluminium alloy sheets with multi-point tooling
… of lightweight metallic materials, such as aluminium alloys, has been widely deployed in the Aerospace and Automotive industry. Nevertheless, some challenges still exist when the forming takes place under different process and machine-set conditions, especially materials such as high …
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The effect of the surface condition of Aluminium ingot (AA3003) during roll bonding with clad Aluminium alloy (AA4045) to form an Aluminium brazing material
Hulamin is the leading producer of aluminium products in South Africa. One of the products made at Hulamin is the aluminium brazing sheet. The aluminium brazing sheet is made from two aluminium alloys, AA3003 and AA4045. The main alloying element in the 3XXX series alloy is manganese and the main …
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Numerical and experimental exploration of the contour method for residual stress evaluation
… EN8 steelplate, a hole cold expansion 7475-T7351 aluminium alloy plate, a MIG 2024-T351 aluminium alloy welded plate and a VPPA 2024-T351 aluminium alloy welded plate. Favourably good outcomes were obtained from each case. The most impressive comparison of the contour-method result was made on the …
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Failure Criteria and Cumulative Damage in Fatigue Under Multi-Axial Stress Conditions
… fatigue tests have been carried out on thin wall aluminium alloy (2L65) tubular specimens over the complete ,++ and +- stress quadrants. V, 4 new equation for predicting the fatigue failure of ductile metals under multiaxial stress is proposed based on the maximum range of shear stress modified …
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Identification of defect locations in forged products using the finite-element method
… deformation behaviour of 60-40 brass and 7075 aluminium alloy has been compared with experiment. Both visioplasticity and hardness studies have been performed. The macrohardness survey was found to be the most appropriate in validating the use of the finite-element technique. The numerical …
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Aspects of the oxidation of liquid aluminium alloys.
… all the research on the oxidation of molten aluminium alloys was carried out on quiescent melts. However, in most industrial processes in which molten aluminium is handled, the liquid metal will be under dynamic flowing conditions. Therefore the oxidation behaviour of a melt of aluminium …
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