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Title:Vedenje WP-preizkušanca pri utrujanju
Authors:ID Gliha, Vladimir (Author)
ID Rojko, Danilo (Author)
ID Inštitut za kovinske materiale in tehnologije (Copyright holder)
Files:.pdf Materiali_in_tehnologije_2003_Gliha,_Rojko_Vedenje_WP-preizkusanca_pri_utrujanju.pdf (220,59 KB)
MD5: 54850579F44D6E53C0E8C68D21C7DBF6
PID: 20.500.12556/dkum/e01a34f2-3bb5-44ba-913e-e9deb5f0ef5f
 
URL http://mit.imt.si/Revija/izvodi/mit0334/gliha1.pdf
 
Language:Slovenian
Work type:Scientific work
Typology:1.04 - Professional Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Analizirali smo vedenje WP-preizkušanca med širjenjem utrujenostne razpoke. Zaradi vse večje razpoke se togost preizkušanca pri tem zmanjšuje. Če je ciklična obremenitev izvedena pri kontroli obremenitve, se razpon intenzitete napetosti in hitrost širjenja razpoke ves čas povečujeta. Širjenja razpoke je zato težje nadzirati. Če je ciklična obremenitev izvedena pri kontroli pomika, pa se zaradi vse manjše togosti razpon obremenitve med širjenjem razpoke zmanjšuje. Kljub temu se razpon intenzitete napetosti in hitrost širjenja razpoke povečujeta, vendar počasneje kot pri kontroli obremenitve. Prav zaradi tega je nadzor širjenja razpoke nekoliko lažji.
Keywords:zvarni spoji, WP preizkušanci, togost, cicklične obremenitve, dinamične obremenitve, nadzor obremenitve, razpon obremenitve, intenziteta napetosti, hitrost širjenja razpoke, kontrola pomika
Publication status:Published
Publication version:Version of Record
Year of publishing:2003
Number of pages:str. 205-210
Numbering:Letn. 37, št. 3/4
PID:20.500.12556/DKUM-27687 New window
ISSN:1580-2949
UDC:621.791.05:539.42
ISSN on article:1580-2949
COBISS.SI-ID:8166678 New window
NUK URN:URN:SI:UM:DK:1L9FBE9K
Publication date in DKUM:01.06.2012
Views:2207
Downloads:122
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Materiali in tehnologije
Shortened title:Mater. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1580-2949
COBISS.SI-ID:106193664 New window

Secondary language

Language:English
Title:The behaviour of a WP-specimen during fatigue
Abstract:The behaviour of a WP-specimen was analysed during fatigue-crack spreading. The stiffness of the specimen decreases due to the increasing crack length. If cyclic loading is applied in the load-control mode the crack-tip stress-intensity range and the crack propagation rate increase continuously. Crack spreading is difficult to control. If cyclic loading is applied in the displacement-control mode the stress range decreases because of the ever lower stiffness. In spite of this crack-tip stress-intensity range and the crack propagation rate increase, but more slowly than in the load-control mode. This is the reason for better crack-spreading control.
Keywords:welded joints, WP specimen, stiffness, dynamic loading, cyclic loading, load control mode, loading range, stress intensity, crack propagation range, displacement control mode, loading range


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