employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
student
Penza, Penza, Russian Federation
student
Penza, Penza, Russian Federation
UDK 621.791.13 Сварка взрывом
UDK 620.22 Материалы. Материаловедение
BBK 342 Металловедение
The main study objective is to make a comparative analysis of the effect of reinforcement schemes on the strength index of composite materials with a comparable proportion of the reinforcing component. The tasks to which the paper is devoted are the development of 3 basic reinforcement schemes, computer modeling of the main parameters for explosion welding, static stretching to obtain a strength index. The research methods used are a review of references at the stage of determining the work relevance, computer modeling of explosion welding parameters to obtain a composite and an experiment on a tensiel-testing machine in order to obtain strength values for subsequent comparative analysis and drawing conclusions. The novelty of the work is in testing composite samples with approximately the same proportion of the reinforcing component, so that the main difference should be in the influence of the reinforcement scheme on the strength of the composite. The results of analyzing references show that this study is relevant in the field of composites; the most promising method of increasing the strength of a material is reinforcement of a composite. The experimental results show that with a comparable amount of reinforcing elements in a composite material, the samples with the direction of the reinforcing wire coinciding with the direction of applying the load have the highest strength; when these directions do not fall, the composite material is reinforced slightly, and also tends to fracture along a brittle intermetallic layer; the composite laminated material increases its strength and this increase correlates well with theoretical prediction and the rule of additivity; the composite obtained according to scheme 3 has even higher tensile strength compared with the composite according to scheme 2, this value does not change depending on the direction of load application, as in the case of composite obtained according to scheme 1.
composite, strength, welding, modeling, parameters
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