典型管道元件特征区金属机械性能的实验评估

IF 0.7 4区 材料科学 Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING Strength of Materials Pub Date : 2024-02-28 DOI:10.1007/s11223-024-00603-1
O. P. Gopkalo, P. S. Yukhymets, O. E. Gopkalo
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引用次数: 0

摘要

在工程实践中,人们使用保守的方法来评估带有典型元件(支管、三通和适配器)的管道的技术状况,使用的参考数据是金属在原始状态下的机械性能。使用这种方法评估技术状况时,如果不考虑金属在制造过程和长期运行过程中机械性能的变化,可能会导致重大误差。例如,本文介绍了对典型管道元件和蒸汽发生器外壳特征区金属机械性能的实验研究结果。结果表明,典型管道元件各部分在抵抗短期静态和周期载荷方面的特性差异与技术和操作因素的影响有关。建议使用无损检测方法快速评估产品不同部分金属结构状态的差异,这决定了产品的机械性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Experimental Evalua tion of the Mechanical Properties of the Metal of the Characteristic Zones of Typical Pipeline Elements

In engineering practice, conservative approaches are used to assess the technical condition of pipelines with typical elements (branches, tees and adapters) using reference data on the mechanical properties of the metal in its original state. The use of such approaches to assess the technical condition without taking into account changes in the mechanical properties of the metal during the manufacturing process and long-term operation can lead to significant errors. As an example, this paper presents the results of experimental studies of the mechanical properties of the metal of the characteristic zones of typical pipeline elements and the steam generator housing. It is shown that the differences in the characteristics of resistance to the short-term static and cyclic loads of individual sections of typical pipeline elements are associated with the influence of technological and operational factors. It is recommended to use nondestructive testing methods for the rapid evaluation of differences in the structural state of the metal of different portions of the product, which determines its mechanical properties.

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来源期刊
Strength of Materials
Strength of Materials MATERIALS SCIENCE, CHARACTERIZATION & TESTING-
CiteScore
1.20
自引率
14.30%
发文量
89
审稿时长
6-12 weeks
期刊介绍: Strength of Materials focuses on the strength of materials and structural components subjected to different types of force and thermal loadings, the limiting strength criteria of structures, and the theory of strength of structures. Consideration is given to actual operating conditions, problems of crack resistance and theories of failure, the theory of oscillations of real mechanical systems, and calculations of the stress-strain state of structural components.
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