VLOGA IN NASTANEK KRHKIH MIKROSTRUKTUR V ZVARNIH SPOJIH VISOKOTRDNOSTNIH JEKEL ZA HIDRO OPREMO

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Title:	VLOGA IN NASTANEK KRHKIH MIKROSTRUKTUR V ZVARNIH SPOJIH VISOKOTRDNOSTNIH JEKEL ZA HIDRO OPREMO
Authors:	ID Jazbec, Jernej (Author) ID Praunseis, Zdravko (Mentor) More about this mentor... ID Avsec, Jurij (Comentor)
Files:	VS_Jazbec_Jernej_2013.pdf (2,48 MB) MD5: 06974CBCE6877F75BC79C4F2405C22D6 PID: 20.500.12556/dkum/0ea169fe-5d27-4cf4-9da4-ed886ce5e320
Language:	Slovenian
Work type:	Bachelor thesis/paper
Typology:	2.11 - Undergraduate Thesis
Organization:	FE - Faculty of Energy Technology
Abstract:	V diplomskem delu so obravnavana visokotrdnostna jekla za gradnjo hidroopreme. Pri varjenju teh jekel se najpogosteje pojavljajo kritične mikrostrukture z izrazito krhkostjo v toplotno vplivanem področju. Zaradi navedenega moramo posebno pozornost posvetiti metalografski analizi nastalih realnih mikrostruktur zvarnega spoja in določitvi faktorja trdnostne neenakosti. Natančna določitev področij krhkih mikrostruktur predstavlja pomemben dejavnik pri varnosti energetske konstrukcije.
Keywords:	Visokotrdnostno jeklo, zvarni spoji, krhke mikrostrukture, varjenje, varivost, hidrooprema
Place of publishing:	Krško
Publisher:	[J. Jazbec]
Year of publishing:	2012
PID:	20.500.12556/DKUM-39359
UDC:	621.791.053:539.512(043.2)
COBISS.SI-ID:	1024122716
NUK URN:	URN:SI:UM:DK:3SNHYJC2
Publication date in DKUM:	11.02.2013
Views:	2314
Downloads:	315
Metadata:
Categories:	FE
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Language:	English
Title:	ROLE AND FORMATION OF BRITTLE MICROSTRUCTURE IN THE HSLA STEELS FOR HYDRO EQUIPMENT
Abstract:	In my diploma thesis the high-strenght steels for the construction of hydro equipment are discussed. When welding these steels, critical microstructures which are very fragile in the heat affected zone most frequently occur. Due to this fact, we have to pay special attention to metallographic analysis of the real microstructures weld joints and to the factor determining inequality. The precise identification of the areas of the fragile microstructures is an important factor in the safety of the energy structure.
Keywords:	Hight strenght, weld joint, brittle microstructure, welding, weldobility, hydro equipment

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