{"title":"Structure and Properties of Pressed Semi-Finished Products from High-Strength Aluminum Alloy V-1977 After Three-Stage Aging","authors":"T. A. Shlyapnikova, A. V. Somov, A. L. Ivanov","doi":"10.1007/s11041-025-01096-8","DOIUrl":null,"url":null,"abstract":"<p>The structure and phase composition of pressed sections from alloy V-1977 after three-stage aging are studied using optical and transmission electron microscopy. The mechanical properties under tension and compression, the fatigue characteristics, the fracture toughness and the corrosion resistance are determined. The developed three-stage artificial aging mode makes it possible to obtain a high strength in combination with a good set of operational properties in semi-finished products from alloy V-1977. The use of pressed sections from high-strength aluminum alloy V-1977 in the T12 condition with increased strength (> 670 MPa) and fracture toughness (35 – 39 MPa · m<sup>1/2</sup> ) is expected to raise the weight efficiency and reliability of heavily loaded airframe components.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"66 9-10","pages":"628 - 634"},"PeriodicalIF":0.6000,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metal Science and Heat Treatment","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s11041-025-01096-8","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
引用次数: 0
Abstract
The structure and phase composition of pressed sections from alloy V-1977 after three-stage aging are studied using optical and transmission electron microscopy. The mechanical properties under tension and compression, the fatigue characteristics, the fracture toughness and the corrosion resistance are determined. The developed three-stage artificial aging mode makes it possible to obtain a high strength in combination with a good set of operational properties in semi-finished products from alloy V-1977. The use of pressed sections from high-strength aluminum alloy V-1977 in the T12 condition with increased strength (> 670 MPa) and fracture toughness (35 – 39 MPa · m1/2 ) is expected to raise the weight efficiency and reliability of heavily loaded airframe components.
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.
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