Strength Measurement on Additive Manufactured Specimens

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International Journal of Research and Scientific Innovation (IJRSI) | Volume VII, Issue XI, November 2020 | ISSN 2321–2705

 Strength Measurement on Additive Manufactured Specimens

Juraj Beniak*, Miloš Matúš, Ľubomír Šooš, Peter Križan
Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Nam. Slobody 17, 812 31 Bratislava

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Abstract— When using some technology for production of final parts, it is necessary to know what parameters will be reached. If this parameters are sufficient for selected purpose. The same situation is with using of new or specific materials. It is necessary to test it formerly. It is necessary to test and figure out what is the strength of selected material. In additive manufacturing are used more technologies which works with wide spectrum of materials. Such technologies use materials in different forms, as liquid, powder or solid state.
Presented paper deal withtesting of specimens which are produced on additive manufacturing device.Used device is 3D printer from the group of Fused Deposition Modeling technology (or Fused Filament Fabrication), which work with polymers filaments. Processed experiment is focused to measuring of tensile strength of produces specimens. Shape and dimensions are designed by standards. Material of produced specimens is polylactic acid (PLA), what is ecological polymer. Paper brings results about tensile strength of PLA material produced by different settings regarding prepared design of experiment.

Keywords— additive manufacturing, 3D printing, tensile strength, measurement, strength


Additive production is a name for production technologies that work on the principle of material adding and its layering, till creation of the final shape of the part [1-3]. These technologies are currently very popular and deployed on several levels in the industry. The systems could be used, for example, in development workshops in the design of new products, in piece or small series production, but even in special areas as airspace industry [4-6].
A wide range of materials is used. What material will be used depends on what technology is available, what type of product will be manufactured, the purpose of its use, demands on strength or flexibility, and a number of other factors.