Primjena teorije elastičnosti u amorfnim materijalima

undergraduate thesis

• Title (english): Application of the theory of elasticity in amorphous materials
• Author: Fran Mesar
• Mentor: Vladimir Dananić (mentor)
• Committee member: Vladimir Dananić (predsjednik povjerenstva)
• Committee member: Andrej Vidak (član povjerenstva)
• Committee member: Igor Sutlović (član povjerenstva)
• Granter: University of Zagreb; Faculty of Chemical Engineering and Technology; Zagreb
• Defense date and country: 2020-09-22, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Physics

Abstract

Promatrajući amorfne materijale, javlja se pitanje na koji način neuređena struktura materijala doprinosi njihovim mehaničkim pa tako i elastičnim svojstvima. U današnjem svijetu zbog mnogobrojnog izbora različitih materijala, u svakodnevnoj inženjerskoj praksi potrebno je precizno znati opisivati mehanička svojstva pojedinih materijala, kako bi izbjegli neželjene posljedice- lom materijala. Teorija elastičnosti amorfnih materijala temelji se na znanjima o odnosu naprezanja i deformacija te opisuje različite konstante elastičnosti, koje služe kako bismo mogli znati do koje granice određeni materijal može podnijeti djelovanje sile prije loma. Ovaj rad se temelji na postavljanju općenitih zakonitosti teorije elastičnosti za homogene i izotropne materijale te daje sažeti uvid u glavne predstavnike (stakla, elastomeri, amorfni metali) amorfnih materijala- njihovo dobivanje i opis te usporedba mehaničkih svojstava.

Abstract (english)

During the process of observing amorphous materials, the question that arises is in which way the disordered structure of the material contributes to its mechanical as well as elastic properties. Nowadays, a broad spectrum of various materials is in existence thus there is a constant need to specify mechanical properties of distinctive materials in order to avoid undesirable consequences, such as substance damage. The theory of elasticity of the amorphous materials is based on apprehension of the stress-strain relationship and describes various elastic constants, which serve the purpose to describe the extent in which a particular material can withstand the action of force prior to fracture. The main purpose of this paper is to set the general truths of the theory of elasticity for homogeneous and isotropic materials. The other aim is to provide a brief overview of the main representatives of amorphous materials (e.g. glasses, elastomers, and amorphous metals) concerning their nature, formation and comparison of their mechanical properties.

• Keywords: amorfni materijal; neuređena struktura; naprezanje; deformacija; teorija elastičnosti; staklo; elastomeri; amorfni metali
• Keywords (english): amorphous material; disordered structure; stress; strain; theory of elasticity; glass; elastomers; amorphous metals
• Language: croatian
• URN:NBN: urn:nbn:hr:149:731222
• Study programme: Title: Chemical Engineering - Undergraduate study; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka kemijskog inženjerstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2023-05-05 11:34:36