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1
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Biuletyn Instytutu Odlewnictwa
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Biuletyn Instytutu Odlewnictwa
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Biuletyn Instytutu Odlewnictwa
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Zeszyty Naukowe / Akademia Morska w Szczecinie
EN Quality of composite castings with infiltration reinforcement is dependent on many various factors. Technological parameters of the saturation process, manufacturing methods and quality of components are considered as the basic ones. During the recycling process of composite materials, the basic com[...]
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Prace Instytutu Nafty i Gazu
2009 nr 164 235-242
PL Odlewnicze procesy technologiczne, wykorzystujące różne tworzywa formy, modelu, metalu charakteryzują się wieloma nie tylko zaletami, ale również zagrożeniami dla środowiska. Procesy odlewnicze zaliczane są do energochłonnych, i pracochłonnych. Stosowane w tej technologii tworzywa często wymagają do[...]
EN The technologies which use foamed expandable polystyrene patterns (or patterns made of silimar materials) are characterised by numerous advantages, mainly technological, but also economic and ecological. Simple equipment reduces the energy consumption and emission of impurities. The properly designe[...]
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Zeszyty Naukowe. Mechanika / Politechnika Opolska
EN The non-homogeneous casting-mould domain is considered and the perturbation of the solidification process due to the changes of geometrical dimensions is analyzed. The methods of shape sensitivity analysis are used. On the stage of numerical realization the finite difference method is applied. In th[...]
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Zeszyty Naukowe. Mechanika / Politechnika Opolska
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Odlewnictwo - Nauka i Praktyka
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Odlewnictwo - Nauka i Praktyka
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Computer Assisted Mechanics and Engineering Sciences
EN The presented work shows one of possibilities of numerical modelling of castings. The simulation is a base of modern design. The finite difference simulation program enables computer aided calculations of a form filling and solidification. It is possible to analyse thermal behaviour of the casting, [...]
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Biuletyn Instytutu Odlewnictwa
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Archives of Metallurgy and Materials
2016 Vol. 61, iss. 3 1385--1390
EN The study presents fundamentals of manufacturing technologies for aircraft engine construction elements, made of light, intermetallic TiAl based alloy, which is characterized by high relative strength and good creep and oxidation resistance. For smelting of alloy, the vacuum metallurgy methods were [...]
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Zeszyty Naukowe. Rozprawy Naukowe / Politechnika Łódzka
2006 Z. 350 3-115
PL Praca dotyczy wytwarzania odlewów metodą pełnej formy, a w szczegól- ności zagadnień związanych z procesem wypełniania wnęki formy, degradacją i zgazowywaniem modelu styropianowego. Opracowano model fizyczny i matematyczny procesu zgazowywania modelu i wypełniania formy ciekłym stopem. Dla zapropo- [...]
EN The LOST FOAM method of casting manufacturing is presented in the work. In particular the processes of pouring of the mould. of thermaI degradation and transformation into vapour of the polystyrene pattem are being dealt with. A physicaI and mathematicaI archetypes of the process of transformation o[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The goal of this paper is to present the structure and properties of the magnesium cast alloys in as-cast state and after a heat treatment. Moreover in purpose of this paper is to extend a complex evaluation of magnesium alloys after laser surface treatment and the new methodology to determ[...]
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Archives of Metallurgy and Materials
2018 Vol. 63, iss. 3 1201--1208
EN Hot tearing severity was evaluated in this experiment by introducing a new apparatus called Constrained Rod Casting Modified Horizontal (CRCM-Horizontal). Six constraint bars with different lengths can produce hot tearing on the cast sample. Mold position was modified from vertical to horizontal and[...]
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Archives of Metallurgy and Materials
2017 Vol. 62, iss. 3 1643--1646
EN Lately we encounter still more new applications of metallic foams, as well as possible methods of their manufacture. These metallic materials have specific properties, such as large rigidity at low density, in some cases high thermal conductivity, capability to absorb energy, etc. The work is focuse[...]
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Archives of Metallurgy and Materials
EN In this study, we have focused on the role of silicon morphology on the hardness of eutectic Al–12 wt.% Si–0.5 wt.% Sb alloy solidified at different cooling rates. The alloys were produced by using induction melting, arc-remelting and melt-spinning techniques. The cooling rates of the alloys were de[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 49, nr 2 421--439
EN Purpose: The aim of this study was to present studies of crystallization and the construction of the coat consisting of Al-Si alloys, also with alloy additives: Ni, Cu and Mg, deposited on gray and nodular cast iron, and the connection through this coat the layered item. On this basis, a model of cr[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: In paper the problem concerning inoculation of pure aluminum primary structure, which is realized by introducing into metal bath of specified substances, called inoculants is presented. Design/methodology/approach: In paper the influence of different inoculants introduced to metal bath in f[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2012 Vol. 54, nr 1 120--127
EN Purpose: The main aim of investigations was to describe the influence of the electromagnetic on the structure of grey cast iron obtained in the continuous casting process. Design/methodology/approach: To investigations the grey cast iron ingots a continuous casting laboratory stand was used. The sta[...]
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