{"title":"Gamma irradiation induced stabilisation in CuAlNi shape memory alloys","authors":"Ş. Nevin Balo, Abdulvahap Orhan","doi":"10.1007/s10967-025-10042-0","DOIUrl":null,"url":null,"abstract":"<div><p>After annealing, gamma irradiation was applied to CuAlNi shape memory alloy samples at different doses and investigated how the stabilization was affected by irradiation. Conversion temperatures and thermodynamic parameters were determined by thermal measurements. Non-regular increases in these parameters were observed depending on the irradiation dose. Depending on the irradiation dose, the structural analyzes of the alloy samples were made with X-ray diffraction. The changes in microhardness and crystallite size of the alloy samples with increasing irradiation dose were investigated. The crystallite size tends to decrease with increasing irradiation dose, and the increase in microhardness favors the change in crystallite size. In results are discussed to the stabilization of martensite by increased irradiation dose in CuAlNi alloys.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 4","pages":"2645 - 2656"},"PeriodicalIF":1.5000,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10042-0.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Radioanalytical and Nuclear Chemistry","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s10967-025-10042-0","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, ANALYTICAL","Score":null,"Total":0}
引用次数: 0
Abstract
After annealing, gamma irradiation was applied to CuAlNi shape memory alloy samples at different doses and investigated how the stabilization was affected by irradiation. Conversion temperatures and thermodynamic parameters were determined by thermal measurements. Non-regular increases in these parameters were observed depending on the irradiation dose. Depending on the irradiation dose, the structural analyzes of the alloy samples were made with X-ray diffraction. The changes in microhardness and crystallite size of the alloy samples with increasing irradiation dose were investigated. The crystallite size tends to decrease with increasing irradiation dose, and the increase in microhardness favors the change in crystallite size. In results are discussed to the stabilization of martensite by increased irradiation dose in CuAlNi alloys.
期刊介绍：
An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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