Structure and Fracture of Steel 1.4540 (15-5 PH) Under Cyclic Loading of Samples Obtained by Laser 3D Printing

IF 0.5 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2025-05-07 DOI:10.1007/s11041-025-01120-x

N. V. Kazantseva, O. V. Bashkov, Yu. N. Koemets, D. I. Davydov, Yu. V. Korkh, M. S. Karabanalov, Chzho Zin Oo

引用次数: 0

Abstract

The structure, phase composition and fracture behavior of samples of steel 1.45.40 (15-5 PH) obtained using an EOSINT 280M laser printer are studied by x-ray diffraction analysis and magnetic force microscopy after cyclic cantilever bending tests at room temperature. The mechanism of crack propagation during cyclic bending in the martensitic-ferritic steels obtained by laser 3D printing is considered. It is shown that under cyclic deformation of such samples, fracture occurs over martensite regions, and the fracture pattern is brittle. The content of the martensitic phase in the steel structure is higher than after casting.

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激光3D打印1.4540钢（15-5 PH）试样在循环加载下的组织与断裂

利用EOSINT 280M激光打印机对1.45.40 （15-5 PH）钢试样进行室温循环悬臂弯曲试验，采用x射线衍射分析和磁力显微镜对试样的组织、相组成和断裂行为进行了研究。研究了激光3D打印马氏体-铁素体钢在循环弯曲过程中裂纹扩展的机理。结果表明：在循环变形作用下，试样的断裂发生在马氏体区域，断裂模式呈脆性断裂；钢组织中马氏体相含量高于铸造后。

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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来源期刊

Metal Science and Heat Treatment 工程技术-冶金工程

CiteScore

1.20

自引率

16.70%

发文量

102

审稿时长

4-8 weeks

期刊介绍： Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering. Topics covered include: New structural, high temperature, tool and precision steels; Cold-resistant, corrosion-resistant and radiation-resistant steels; Steels with rapid decline of induced properties; Alloys with shape memory effect; Bulk-amorphyzable metal alloys; Microcrystalline alloys; Nano materials and foam materials for medical use.