title: Ð ÐµÐ»Ð°ÐºÑÐ°ÑÐ¸Ñ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ ÑÐ»Ð°Ð½ÑÐµÐ²Ð¾Ð³Ð¾ ÑÑÑÐºÐ¾Ð²Ð¾Ð³Ð¾ ÑÐ¾ÐµÐ´Ð¸Ð½ÐµÐ½Ð¸Ñ Ð¿Ð¾Ð»Ð¸Ð¼ÐµÑÐ½ÑÑ ÑÑÑÐ±
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Stress relaxation of the flange butt joint of polymer pipes
Creators: name: ÐÐ¸Ð±Ð°ÑÐ´Ð¸Ð½, ÐÑÐ¸Ð³Ð¾ÑÐ¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: ÑÐ»Ð°Ð½ÑÐµÐ²Ð¾Ðµ ÑÐ¾ÐµÐ´Ð¸Ð½ÐµÐ½Ð¸Ðµ
ÑÐµÐ»Ð°ÐºÑÐ°ÑÐ¸Ñ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ð¹
ÑÐ¿Ð»Ð¾ÑÐ½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»
Ð²ÑÐ·ÐºÐ¾ÑÐ¿ÑÑÐ³Ð¾ÑÑÑ
ÑÑÐ°Ð½Ð´Ð°ÑÑÐ½Ð°Ñ Ð»Ð¸Ð½ÐµÐ¹Ð½Ð°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ ÑÐ²ÐµÑÐ´Ð¾Ð³Ð¾ ÑÐµÐ»Ð°
flange connection
stress relaxation
sealing material
viscoelasticity
standard linear solid model

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description: The purpose of this dissertation is to compare and analyze the characteristics of various sealing materials used in flange connections. The objectives include reviewing different types of joints and the sealing materials used to create the gasket; analyzing the factors that affect the strength characteristics of the sealing material; simulating the cyclic process of restoring internal stresses in the gasket; conducting compression and stress relaxation tests; reviewing methods for describing materials with viscoelastic properties. Comparison and analysis of graphs based on the data obtained during the tests. Object of research: flange connection of a polymer pipeline. During the work, the following research methods were used: a review of relevant literature sources, collection of necessary data from previously conducted research works, classification and systematization of the data, and comparison and description. As a result of this work, a method for cyclic loading of samples is proposed in order to take into account previous changes in mechanical characteristics and bring the data obtained closer to actual operating conditions during deformation. As a consequence of applying this technique, graphs showing changes in characteristics over subsequent cycles for two different materials were obtained.