填充焊丝对1565chM合金等离子焊接接头组织和性能的影响

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING

Russian Metallurgy (Metally) Pub Date : 2025-03-14 DOI:10.1134/S0036029524702343

V. V. Ovchinnikov, A. M. Drits, R. N. Rastopchin

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引用次数: 0

摘要

研究了填充焊丝对等离子空心阳极焊接7mm厚1565 hm合金板材对接接头组织和力学性能的影响。在含Mg 5.6 ~ 6.2%的焊丝中加入0.17 ~ 0.25%的钪，降低了MVTU试样的开裂系数，显著提高了MVTU试样的焊接临界应变率，提高了焊缝金属的极限拉伸强度和冲击韧性。焊缝金属的晶粒尺寸明显减小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of a Filler Wire on the Structure and Properties of the Plasma-Welded Joints of 1565chM Alloy Sheets

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Effect of a Filler Wire on the Structure and Properties of the Plasma-Welded Joints of 1565chM Alloy Sheets

The effect of a filler wire on the structure and mechanical properties of the butt joints of 7-mm-thick 1565сhM alloy sheets made by plasma hollow anode welding is studied. The introduction of 0.17–0.25% scandium into a filler wire containing 5.6–6.2% Mg decreases the coefficient of cracking, significantly increases the critical strain rate of an MVTU sample during welding, and increases the ultimate tensile strength and impact toughness of the weld metal. The grain size in the weld metal decreases substantially.

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来源期刊

Russian Metallurgy (Metally) METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

0.70

自引率

25.00%

发文量

140

期刊介绍： Russian Metallurgy (Metally) publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.