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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Optimization of foundry technology for the production of piston from Al alloy
 Poláček, Adam ; Pernica, Vítězslav (referee) ; Krutiš, Vladimír (advisor)
The aim of work is to optimize the casting solidification technology to reduce or completely eliminate defects. The literary part of the work deals with materials, production technology and defects in the pistons of internal combustion engines and compressors. In the design part of the work, an analysis of the occurring defects is performed. X-ray examination and the cut of the piston are conducted to investigate the causes of their formation. Subsequently, the simulation of the current production technology is carried out and technological modifications to the cooling process are proposed. These modifications are verified through simulation and in the conclusion are compared in terms of their effectiveness in reducing the occurrence of defects.
Detailed record
Evaluation of porosity in Al-alloy die-castings
 Havel, Jiří ; Nová, Iva (referee) ; Čech, Jaroslav (advisor)
The aim of this diploma thesis is to analyse the porosity of die - cast cast that were made of the alloy AISi9u3 in iron-foundry Skoda Car Mlada Boleslav. The analysis and the sample comparisons are based on my own measurements and are also connected with previous diploma thesis which deals with that issue and was drawn up at Technical University in Brno. All measurements were statistically tested.
Detailed record
Evaluation of porosity in Al-alloy die-castings
 Havel, Jiří ; Nová, Iva (referee) ; Čech, Jaroslav (advisor)
The aim of this diploma thesis is to analyse the porosity of die - cast cast that were made of the alloy AISi9u3 in iron-foundry Skoda Car Mlada Boleslav. The analysis and the sample comparisons are based on my own measurements and are also connected with previous diploma thesis which deals with that issue and was drawn up at Technical University in Brno. All measurements were statistically tested.
Detailed record

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