Istraživanje mogućnosti recikliranja praškastog medija za boriranje

Juroš, Ljerka (2019) Istraživanje mogućnosti recikliranja praškastog medija za boriranje. = Investigation of recycling capacity of pack-cementation boriding media. Undergraduate thesis , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Matijević, Božidar and Kumić, Ivan.

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Abstract (Croatian)

Današnje težnje uštedama i ekološka osviještenost dovele su do recikliranja mnogo toga, tako i praha za boriranje. Kako bi se u potpunosti shvatio mehanizam i kinetika nastanka boriranih slojeva, odgovor je potrebno potražiti u fizikalnim zakonima i matematičkim modelima. Cilj ovoga rada je proučiti morfologiju, hrapavost i kemijski sastav boridnih slojeva koji su nastajali korištenjem smjesa novog i recikliranog praha za boriranje u različitim omjerima. Korištene su tri različite kombinacije praha: novi prah, stari prah te kombinacija novog i starog praha Uzorci su analizirani na svjetlosnom mikroskopu i skenirajućem elektronskom mikroskopu s ugrađenim EDS (eng. Energy Dispersive Spectroscopy) detektorom. Primjećeno je kako različite smjese daju različite dubine, hrapavosti i morfologije boridnih slojeva.

Abstract

Today's savings aspirations and ecological awareness have brought recycling in many aspects in our lives, as in recycling boriding powder. In order to completely understand mechanism and kinetics of occurrence of boride layers, use of physical laws and mathematical models is needed. In this paper morphology, roughness and chemical composition of boriding layers will be considered. There were used 3 different combinations of powder; new, old and mixture of new and old one. Borided samples are analyzed on a light microscope and scanning electron microscope with implanted EDS (Energy Dispersive Spectroscopy) detector. It is noticed how various powder mixtures result in different depth, roughness and morphology of borided layers.

Item Type: Thesis (Undergraduate thesis)
Uncontrolled Keywords: boriranje; boridni sloj; difuzija; morfologija; hrapavosti Key words: boriding, boride layers, diffusion, morphology, roughness
Keywords (Croatian): boriding; boride layers; diffusion; morphology; roughness
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1020 Chair of Heat Treatment and Surface Engineering
Date Deposited: 27 Feb 2019 11:22
Last Modified: 12 Nov 2019 15:39
URI: http://repozitorij.fsb.hr/id/eprint/9200

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