Authors: A.M. Markov, V.N. Nekrasov, M.V. Andreev, Gayst , Jian Su, A.M. Salman

Title of the article: The influence of quality of cut surface on the strength characteristics of parts made of composite materials

Year: 2020, Issue: 6, Pages: 5-12

Branch of knowledge: 05.02.08 Engineering Technology

Index UDK: 621.95.01

DOI: 10.26730/1999-4125-2020-6-5-12

Abstract: Polymer-based composites are widely used in modern industry. They have high strength at low specific gravity, high resistance to corrosion, low thermal conductivity, etc. However, composite materials also have disadvantages: it is impossible to connect them by welding and gluing. Therefore, rivet connections are often used to create spatial structures. Rivet holes lead to a weakening of the load-bearing capacity of the structure. In addition, chips on the treated surface and delamination of the material (delamination) lead to the creation of stress concentrators. Objective: to study the process of forming quality indicators for a rivet joint in a composite material and assess their impact on the strength characteristics of the parts to be joined. Results: power-law relationship between feed and cutting speed when drilling a hole and the tensile strength of the sample; evaluation of the effect of the selected range of cutting modes on the tensile strength of the sample.

Key words: composite material the hole for the rivet the cutting conditions tensile strength delamination factorial experiment

Receiving date: 10.12.2020

Approval date: 17.12.2020

Publication date: 29.12.2020

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