National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Konstrukce hydraulického podavače
Kreslík, Roman
In the present thesis entitled: Design of the hydraulic feeder is mainly concerned with the design and construction of the hydraulic feeder (crane) to the three-point hitch of a tractor, particularly for agriculture and forestry. The first part of the work is focused on the basic hydraulic components that are needed to operate the ADF. The second part deals with the distribution of hydraulic feeders. The third part deals with the design and construction of the hydraulic feeder.
Aspekty dynamického namáhání korozně poškozených Al-Cu slitin
Kreslík, Roman
Diploma thesis called Aspects of dynamic strain of corrosion-damaged Al-Cu alloys is focused on the problems of mechanical dynamic strain and corrosion degradation. The theoretical part of the thesis consists of several chapters dealing with general problems of aluminum, its alloys, copper, corrosion and mechanical strain, especially the load with rapidly changing force. The practical part of the thesis is focused on experimental verification of quasidynamic fracture behavior of Al-Cu alloy (designation EN AW 2007 T4), namely examination of impact strength by means of the Charpy hammer test according to ČSN EN 10 045-1 and corrosion degradation of this alloy according to ČSN 03 8101, ČSN EN ISO 7539-1 (038172). The test confirmed the negative effect of corrosion exposure on the impact strength of the selected aluminum alloy.

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