Research on ablation casting technology for aluminium alloys

The article presents preliminary results of research on ablation casting technology. The guidelines for the design of equipment to carry out the process are described. Based on the above mentioned instructions a test stand was developed and built....

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Computer simulation of stresses occurring as a result of applied heat treatment

On the basis of assumed curves of treatment the distribution of temperature fields was determined in selected model castings achieved during heat analysis, then assuming these values as boundary conditions an integrated strength analysis was carri...

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Casting of wrought alloys under external pressure

The paper presents results of wrought alloys casting trials under external pressure. Three alloys were used in the experiment - namely: 2024, 6061 and 7075. The examinations were conducted on squeeze cast parts that solidified under high pressure ...

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Production of castings with non-dendritic structure using the Rapid Slurry Forming method

The article describes several variations of the semi-solid metal processing (SSM) technique rendering castings with non-dendritic structure and significantly improved mechanical properties. The metal slurry was produced using the Rapid Slurry Form...

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Microstructure of selected 7xxx series aluminum alloys obtained by semi-continuous casting

The study was conducted for two selected 7xxx series aluminum alloys according to PN-EN 573-3:2010 - Polish version. The analysis of ingots was carried out on 7003, 7003S and 7010, 7010K alloys with a similar ratio of zirconium content. Symbols S ...

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Improvement of plasticity of the AlSi11 alloy due to soft annealing treatment

The paper presents research on the possibility of improving the plasticity of near-eutectic AlSi11 alloy by the use of soft annealing treatment. For two assumed input quantities, i.e. temperature and duration of the soaking treatment, based on the...

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Application of squeeze casting technology to obtain aluminum alloy castings

The article presents the results of investigations into castings made of four aluminum alloys produced with the use of squeeze casting technology.The investigations used the following alloys: EN AW 7022 (AlZn5Mg3Cu) and its modification with...

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Nanocomposite chromium coatings on aluminum alloys

Chromium coatings modified with nanodiamond particles were deposited on aluminum alloys. The concentration of the nanodiamond particles in the chrome plating electrolyte was from 5 to 25 g/l. The thickness of the layer varied between 30 and 70 &mu...

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The evaluation of microporosity and mechanical properties in high strength aluminum alloys with the use of numerical analysis and computed tomography

One of the aspects of sustainable development is the reduction of the concentration of CO2 in the atmosphere. This could be achieved for example by the reduction of fuel consumption. That is why the research for the new construction and...

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Strength analysis of horseshoes made using casting techniques

The article presents a fragment of results of R&D works carried out at the Foundry Research Institute concerning the development of modern casting materials from ferrous and non-ferrous alloys to make horseshoes with increased durability. Prob...

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Hybrid HPDC&HSC technology

The article presents the history and current state of the technology of external pressure casting in the case of High Pressure Die Casting (HPDC) and Squeeze Casting (SC). The similarities and differences between the two technologies and the commo...

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Testing of mechanical properties and computer simulations of the manufacturing process of castings obtained in gypsum moulds from high-strength AlZnMgCu aluminum alloys

The paper presents an attempt to assess the mechanical properties of high-strength AlZnMgCu aluminium alloy samples cast in gypsum moulds. The first stage of the study involved the use of computer simulations to select the opti...

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