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Design, construction and start-up of measuring system for pulse heating of metallic glass ribbons

Kamil Michniewicz

Abstract

Metallic glasses are materials that have a different structure from crystalline metallic alloys. This structure is responsible for the unique combination of properties that they acquire. High mechanical properties, excellent corrosion resistance and soft magnetic properties are a few of many. These properties are the reason why metallic glasses find many applications including electronics where good magnetic properties are desired. It has been discovered that it possible to improv these properties through nanocrystallization. A typical way of producing the amorphous-nanocrystalline structure is isothermal annealing of metallic glasses with appropriate chemical composition and grain refining elements. These refining elements are allowing to use higher content of the main alloy components, eg. iron or cobalt, which are responsible for high magnetization. In recent years worldwide research has been conducted to develop chemical composition and manufacturing process for metallic glass alloys without grain refining elements. For these purpose short heat treatment called ultra-rapid annealing (URA) is used. Nowadays the most common method to achieve this is realized by rapid heating between two hot metal blocks. However possibilities of conducting measurements of crystallization progress during this method are limited. A different method is required. The following work presents the process of designing and constructing a device for pulse DC heating of amorphous ribbons. It contains all the necessary informations, the design assumptions, along with their justification, the thought process during designing and final construction with tests. The proper work of the device has been confirmed by conducted experiments. Temperature of ribbon of about 740C has been achieved. Furthermore, both crystalline and amorphous structures have been acquired. The measurement of temperature and resistance change during heating were successfully carried out. In addition, structure the magnetic properties of the ribbons have been examined after ultra-rapid annealing. The results confirmed the assumptions after the analysis of in-situ measurements of temperature and resistance. We managed to obtain soft magnetic materials, which was one of the goals.
Diploma type
Engineer's / Bachelor of Science
Diploma type
Engineer's thesis
Author
Kamil Michniewicz (FMSE) Kamil Michniewicz,, Faculty of Materials Science and Engineering (FMSE)
Title in Polish
Projekt, budowa i uruchomienie stanowiska pomiarowego do impulsowego wygrzewania taśm ze szkieł metalicznych
Supervisor
Jarosław Ferenc (FMSE/DCFM) Jarosław Ferenc,, Division of Construction and Functional Materials (FMSE/DCFM)Faculty of Materials Science and Engineering (FMSE)
Certifying unit
Faculty of Materials Science and Engineering (FMSE)
Affiliation unit
Division of Construction and Functional Materials (FMSE/DCFM)
Study subject / specialization
, Inżynieria Materiałowa
Language
(pl) Polish
Status
Finished
Defense Date
11-02-2019
Issue date (year)
2019
Internal identifier
IM-D.002352
Reviewers
Jarosław Ferenc (FMSE/DCFM) Jarosław Ferenc,, Division of Construction and Functional Materials (FMSE/DCFM)Faculty of Materials Science and Engineering (FMSE) Bartosz Michalski (FMSE/DCFM) Bartosz Michalski,, Division of Construction and Functional Materials (FMSE/DCFM)Faculty of Materials Science and Engineering (FMSE)
Keywords in Polish
szkło metaliczne, taśmy amorficzne, materiały miękkie magnetycznie, obróbka cieplna, nanokrystalizacja
Keywords in English
metallic glass, amorphous ribbons, magnetically soft materials, heat treatment, nanocrystallization
Abstract in Polish
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Kamil_Michniewicz_praca_inżynierska.pdf
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Local fields
Identyfikator pracy APD: 30798

Uniform Resource Identifier
https://repo.pw.edu.pl/info/bachelor/WUTf224914a31b74feaaa3e815ebaac0c0b/
URN
urn:pw-repo:WUTf224914a31b74feaaa3e815ebaac0c0b

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