{"title":"Microstructure and Properties of Cu – Cr – Zr Alloys After Plastic Deformation and Aging","authors":"A. I. Bodyakova, R. V. Mishnev, R. O. Kaibyshev","doi":"10.1007/s11041-024-01057-7","DOIUrl":null,"url":null,"abstract":"<p>The microstructure of alloys of the Cu – Cr – Zr system after equal channel angular pressing and aging is investigated by scanning and transmission electron microscopy. Mechanical properties and electrical conductivity are determined. Recovery and additional precipitation of dispersed particles are observed in deformed alloys after annealing at temperatures of 200 – 500°C, but static recrystallization does not develop. Increasing the annealing temperature to 600°C is accompanied by development of recrystallization, and a completely recrystallized structure is observed within the alloy with a minimum content of alloying elements, while deformed areas are found in alloys with a high content of chromium and zirconium. The influence of structural evolution on mechanical properties and electrical conductivity is discussed.</p>","PeriodicalId":701,"journal":{"name":"Metal Science and Heat Treatment","volume":"66 5-6","pages":"343 - 354"},"PeriodicalIF":0.6000,"publicationDate":"2024-10-14","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/s11041-024-01057-7","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 microstructure of alloys of the Cu – Cr – Zr system after equal channel angular pressing and aging is investigated by scanning and transmission electron microscopy. Mechanical properties and electrical conductivity are determined. Recovery and additional precipitation of dispersed particles are observed in deformed alloys after annealing at temperatures of 200 – 500°C, but static recrystallization does not develop. Increasing the annealing temperature to 600°C is accompanied by development of recrystallization, and a completely recrystallized structure is observed within the alloy with a minimum content of alloying elements, while deformed areas are found in alloys with a high content of chromium and zirconium. The influence of structural evolution on mechanical properties and electrical conductivity is discussed.
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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