低碳合金钢埋弧焊焊缝物理性能的变化

Q3 Mathematics

Metallofizika I Noveishie Tekhnologii Pub Date : 2023-06-27 DOI:10.15407/mfint.45.03.0359

M. Aouragh, B. Guerira, L. Touam, S. Derfouf

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引用次数: 0

摘要

本文对化学成分(% wt.)为(C: 0.20, Si: 0.0079, Mn: 0.778, P: 0.0156, S: 0.058, Cr: 0.021, Al: 0.035, Cu: 0.012, Ni: 0.0075)、厚度为3.3 mm的低合金钢气罐元件焊接头进行了试验研究。最后在920±10℃的温度下进行正火退火热处理。本工作的目的是研究重要参数-电压V的影响。本焊为埋弧焊颗粒助焊剂作用下的埋弧焊。所考虑的表征原理包括改变电压V，电压V在31 V和36 V之间。如图所示，该物理参数直接影响焊缝中碳含量、钢的结构成分和力学性能(σ和HV 0.3)。

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Variation of the Physical Properties in the Weld Bead of the Submerged Arc Welding of Low-Carbon Alloy Steel

This paper presents an experimental study, which is performed on weld bead of the gas-tank element made of the low-alloy steel with the following chemical composition (% wt.): (C: 0.20, Si: 0.0079, Mn: 0.778, P: 0.0156, S: 0.058, Cr: 0.021, Al: 0.035, Cu: 0.012, Ni: 0.0075), and 3.3 mm of thick. This manufacturing process ends with a normalized annealing heat treatment at temperature of 920 ± 10 ° C. The purpose of this work is to study the effect of important parameter—the electrical voltage V . This welding is submerged arc welding under submerged arc-welding particle flux. The principle of the characterization taken into account consists in varying both the electrical voltage V , which is between 31 V and 36 V. As shown, this physical parameter directly influences the carbon content in the weld bead, the structural components and the mechanical properties ( σ and HV 0.3 ) of the steel under study.

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来源期刊

Metallofizika I Noveishie Tekhnologii 工程技术-材料科学：综合

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： ‘Metallophysics and Advanced Technologies’ or ‘Metallofizika i Noveishie Tekhnologii’ (‘MNT’) publishes original works (regular papers and reviews) not previously published and not being considered for publication elsewhere. The works accepted for publication in ‘MNT’ will not be published elsewhere in the same language without the consent of the Editors and Publisher. It is a condition of acceptance by the Editor of a manuscript for publication that the Publishers acquire automatically the copyright in the manuscript throughout the world. The journal publishes the new results of experimental and theoretical researches in the physics and technology of metals, alloys, and compounds with metallic properties; reviews of the monographs; information on conferences and seminars; information on the history of metal physics; advertising of new technologies, materials, and devices. Scope of the Journal: Electronic Structure and Properties, Crystal-Lattice Defects, Phase Transformations, Physics of Strength and Plasticity, Metallic Surfaces and Films, Structure and Properties of Nanoscale and Mesoscopic Materials, Amorphous and Liquid States, Interactions of Radiation and Particles with Condensed Matter, Materials in Extremal Conditions, Reactor and Aerospace Metals Science, Medical Metals Science, New Metallic Materials and Synthetic Metals, Metal-Containing Smart Materials, Physical and Technical Bases of Experiment and Diagnostics, Articles under Discussion.