מעבדות

General

Strength and Materials Laboratory provides the students with hands-on experience in various topics learnt theoretically in Solid Mechanics and Materials Engineering courses as well as some acquaintance with measurement techniques and devices.

The experiments and demonstrations delivered in the laboratory refer to three major branches namely strength of materials, metallurgy and measurement.

Strength of Materials

Stress-strain behavior of steels and aluminum alloys is studied in the laboratory by means of tensile tests. Tensile stress-stain tests conducted by using the computerized tensile test machine shown below demonstrate basic terms such as yield stress, UTS, Young’s modulus, elongation to fracture and reduction of area

Hardness tests conducted on different metallic alloys, ferrous and non-ferrous, by means of a hardness tester require using different hardness scales, loads and indenters. The advantages and the drawbacks of Rockwell A, Rockwell C  and Brinell scales are well presented.

Various sets of strain gages and Wheatston bridge systems serve for measuring bending stresses and strains of loaded beams, for calculating principal stresses and principal directions and for estimating the stress concentration in the case of a given geometrical constraint. Besides studying the mentioned phenomena, the students gain practice with tensometry resistance techniques and its different industrial applications

Metallurgy

Special emphasis is given to metallurgy; three kinds of processes are investigated by the students in the laboratory. These processes are quenching of carbon steel, solution and aging of aluminum alloys. Metallographic specimens of the thermally treated alloys are prepared by the students for metallographic study.

Images of the high temperature oven used for austenitizing and solution treatments, of the low temperature oven used for aging and of the optical microscope are shown below.

 Measurement

The Strength and Materials Laboratory is well equipped with various measuring devices such as manual measuring tools (calipers, micrometers, protractors, gage blocks), optical profile projector and a computerized coordinate measuring machine. 

The laboratory for research in metal machining is located in building D2. The lab was donated by ISCAR Ltd. – a world leader in producer of unique and innovative cutting tools for metalworking, including turning, grooving, milling, hole-making, boring and threading tools. It is a multinational company with representation in 50 countries.

The laboratory provides the students the essential hands-on training with modern machines and equipment, complementing their theoretical studies, and serves for research by the academic staff.

Machining is a key technology for industries in aerospace, die and mold, automotive, defense etc.

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