用改进的小冲孔试验研究包层管的轴向拉伸性能

IF 3 2区工程技术 Q2 ENGINEERING, MECHANICAL

International Journal of Pressure Vessels and Piping Pub Date : 2025-02-15 DOI:10.1016/j.ijpvp.2025.105469

Sixiong Zeng , Peinan Du , Huan Sheng Lai , Quan Wen , Yuntao Zhong , Chunmei Bai , Jinquan Guo

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引用次数: 0

摘要

拉伸性能是表征包层管力学性能的关键因素。本研究提出了一种改进的小冲孔试验（SPT），称为单应力小冲孔试验（SS-SPT），以研究包层管的轴向拉伸性能。直接由包层管制备的半圆柱形SS-SPT试样在施加的冲压力下受到单一应力状态。有限元模拟结果表明，利用SS-SPT法确定屈服应力和极限拉应力不仅可行而且准确。此外，利用SS-SPT研究了feral包层管的轴向拉伸性能。观察到，与轴向单轴拉伸试验相比，FeCrAl包层管的轴向屈服应力和极限拉伸应力降低了7%。

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Study on the axial tensile properties of cladding tubes using a modified small punch test

Tensile properties play a critical role in characterizing the mechanical behavior of cladding tubes. In this study, a modified small punch test (SPT) called single stress small punch test (SS-SPT) was proposed to investigate the axial tensile properties of cladding tubes. Semi-cylindrical SS-SPT specimens, directly prepared from cladding tubes, were subjected to a single stress state under an applied punch force. Finite element simulation results demonstrated that determining both yield stress and ultimate tensile stress using the SS-SPT was not only feasible but also accurate. Moreover, the axial tensile properties of a FeCrAl cladding tube were investigated using the SS-SPT. It was observed that the determined axial yield stress and ultimate tensile stress of the FeCrAl cladding tube exhibited a reduction of 7 %, compared to those obtained from axial uniaxial tensile tests.

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来源期刊

International Journal of Pressure Vessels and Piping 工程技术-工程：机械

CiteScore

5.30

自引率

13.30%

发文量

208

审稿时长

17 months

期刊介绍： Pressure vessel engineering technology is of importance in many branches of industry. This journal publishes the latest research results and related information on all its associated aspects, with particular emphasis on the structural integrity assessment, maintenance and life extension of pressurised process engineering plants. The anticipated coverage of the International Journal of Pressure Vessels and Piping ranges from simple mass-produced pressure vessels to large custom-built vessels and tanks. Pressure vessels technology is a developing field, and contributions on the following topics will therefore be welcome: • Pressure vessel engineering • Structural integrity assessment • Design methods • Codes and standards • Fabrication and welding • Materials properties requirements • Inspection and quality management • Maintenance and life extension • Ageing and environmental effects • Life management Of particular importance are papers covering aspects of significant practical application which could lead to major improvements in economy, reliability and useful life. While most accepted papers represent the results of original applied research, critical reviews of topical interest by world-leading experts will also appear from time to time. International Journal of Pressure Vessels and Piping is indispensable reading for engineering professionals involved in the energy, petrochemicals, process plant, transport, aerospace and related industries; for manufacturers of pressure vessels and ancillary equipment; and for academics pursuing research in these areas.