Zn - 1% Mg - 0.1% Dy和Zn - 1% Mg - 0.1% Mn合金高压扭转后的组织与性能研究

IF 0.6 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2025-02-11 DOI:10.1007/s11041-025-01088-8

N. S. Martynenko, D. R. Temralieva, N. Yu. Tabachkova, O. V. Rybalchenko, E. A. Luk’yanova, A. V. Koltygin, S. V. Dobatkin

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引用次数: 0

摘要

研究了医用Zn - 1% Mg - 0.1% Dy和Zn - 1% Mg - 0.1% Mn合金高压扭转（HPT）后的显微组织、力学性能和耐腐蚀性。结果表明，高温热处理使两种合金均形成了晶粒尺寸为450 ~ 700 nm的α-Zn超细晶组织。晶界镁相细化到纳米级，富集Mn和dy颗粒析出。这种结构的细化导致两种合金的强度和延展性同时增加，而不改变它们的耐腐蚀性。同时，高温热处理前后合金的腐蚀速率均不超过0.35 mm/年。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Study Of Microstructure and Properties of Zn – 1% Mg – 0.1% Dy and Zn – 1% Mg – 0.1% Mn Alloys After High-Pressure Torsion

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Study Of Microstructure and Properties of Zn – 1% Mg – 0.1% Dy and Zn – 1% Mg – 0.1% Mn Alloys After High-Pressure Torsion

The microstructure, mechanical properties and corrosion resistance of promising medical Zn – 1% Mg – 0.1% Dy and Zn – 1% Mg – 0.1% Mn alloys after high-pressure torsion (HPT) are studied. It is shown that the HPT results in formation of an ultrafine-grained structure of α-Zn with grain size 450 – 700 nm in both alloys. The grain-boundary magnesium phase is refined to a nanosize and Mn- and Dy-enriched particles are precipitated. This refinement of the structure leads to a simultaneous increase in the strength and ductility of both alloys without changing their corrosion resistance. At the same time, the corrosion rate of the alloys both before and after the HPT does not exceed 0.35 mm/year.

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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.