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Jan Kolínský, Tomá? Prá?il, Ladislav Socha, Jana Svi?elová, Karel Gryc, Josef Häusler and Martin Dvorák
The present paper describes a comparison of the efficiency of different types of rotors used in the refining of aluminium melt at a foundry degassing unit (FDU). Physical modelling was used to obtain data for six different rotor types under defined exper...
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Monnamme Tlotleng, Sisa Pityana and Sibusisiwe Motha
The effects of micro-alloying gamma titanium aluminide (?-TiAl) with niobium (Nb) using a laser melt pool as a melting pot are reported. The Optomec LENS machine was used to carry out the laser in situ alloying experiments where Nb, ranging from 6 to 10 ...
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Katarina Monkova, Peter Pavol Monka, Milan ?aludek, Pavel Beno, Romana Hricová and Anna ?meringaiová
Porous materials bring components not only direct advantages in the form of lightening of constructions, saving of production materials, or improvement of physical properties, but also secondary advantages, which are manifested as a result of their daily...
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Ghasem Azimiroeen, Seyed Farshid Kashani-Bozorg, Martin Nosko and Saeid Lotfian
Friction stir processing (FSP) offers a unique opportunity to tailor the microstructure and improve the mechanical properties due to the combination of extensive strains, high temperatures, and high-strain rates inherent to the process. Reactive friction...
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Shiladitya Paul
A widely used coating system for corrosion mitigation of offshore steel structures is thermally sprayed aluminium (TSA). Even though these coatings have been used for decades, it is not always clear how they perform in service over long periods, particul...
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Manoharan Bhuvanesh, Girolamo Costanza and Maria Elisa Tata
Closed-cell aluminium foams with different compositions have been manufactured starting from powders and also characterized from a morphological point of view and by means of compressive tests in order to determine mechanical properties. Circularity, equ...
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Giuseppe Gibertini, Silvano Rezzonico, Marco Rossetti and Alex Zanotti
The present paper describes a test campaign performed to investigate the noise footprint emitted by a helicopter in an idealised urban context, reproducing the approach to an elevated helipad. The test campaign was performed in Politecnico di Milano?s an...
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Bhawana Bhattarai, Cassandra K. Walker, Ashley J. Wallace, James G. Nuttall, Graham Hepworth, Joe F. Panozzo, Debra L. Partington and Glenn J. Fitzgerald
Lentil seed coat colour influences market value, whilst germination is associated with crop establishment and hydration capacity with optimal processing outcomes. Storing lentil grain assists growers in managing price fluctuations; however, exposure to o...
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Weiqiang Xiong, Yunjie Liu, Tianfu Zhang, Shixi Wu, Dawen Zeng, Xiang Guo and Aimin Pang
Aluminium?lithium alloy (Al?Li alloy) powder has excellent ignition and combustion performance. The combustion product of Al?Li alloy powder combined with ammonium perchlorate is gaseous at the working temperature of solid rocket motors, which greatly re...
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Jordi Sancho-Parramon, Tatiana Amochkina, Steffen Wilbrandt, Hrishikesh Kamble, Vesna Janicki, Kre?imir Salamon, Olaf Stenzel and Michael Trubetskov
The determination of the effective optical constants of metal island films is an essential step towards the practical incorporation of this kind of films in optical coatings. In this work, the optical properties of aluminium island films deposited by ele...
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