The transferability of fracture-mechanics parameters to fracture performance evaluation of welds with mismatching

Toyoda, Masao; Praunseis, Zdravko

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Title:	The transferability of fracture-mechanics parameters to fracture performance evaluation of welds with mismatching
Authors:	ID Toyoda, Masao (Author) ID Praunseis, Zdravko (Author) ID Inštitut za kovinske materiale in tehnologije (Copyright holder)
Files:	Materiali_in_tehnologije_2000_Toyoda,_Praunseis_The_transferability_of_fracture-mechanics_parameters_to_fracture_performance_evaluation.pdf (802,24 KB) MD5: BAFE49F86D744CC4A86C5D936F946C4F PID: 20.500.12556/dkum/4104a81c-e489-49f0-ac5c-fc305ce7f663 http://mit.imt.si/Revija/izvodi/mit006/toyoda.pdf
Language:	English
Work type:	Scientific work
Typology:	1.01 - Original Scientific Article
Organization:	FS - Faculty of Mechanical Engineering
Abstract:	The differences in the mechanical properties between different weld-metal regions obviously affect the strain distribution around the crack tip during a fracture test and hence influence the fracture toughness value. The variation in plastic constraint during fracture mechanics testing has an additional effect on the ductile and brittle fracture initiation behaviour of any weld joint. This paper deals with the transferability of fracture toughness results to the fracture performance evaluation of the strenght of mismatch welded joints based on the two-parameter criterion and the local approach. It was found that the numerical simulations based on the transferrable fracture concept are effective in practice.
Keywords:	welding, welded joints, strength mismatching, plastic constraint, transferability concept
Publication status:	Published
Publication version:	Version of Record
Year of publishing:	2000
Number of pages:	str. 343-352
Numbering:	Letn. 34, št. 6
PID:	20.500.12556/DKUM-28069
ISSN:	1580-2949
UDC:	621.791.05:539.42
ISSN on article:	1580-2949
COBISS.SI-ID:	6026262
NUK URN:	URN:SI:UM:DK:PFDG11GI
Publication date in DKUM:	01.06.2012
Views:	3147
Downloads:	484
Metadata:
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

Secondary language

Language:	Slovenian
Title:	Prenosljivost parametrov mehanike loma za ocenitev lomne sposobnosti trdnostno različnih varov
Abstract:	Razlike mehanskih lastnosti med posameznimi področji vara vplivajo na porazdelitev plastičnih deformacij na konici razpoke že med izvajanjem lomno mehanskega preizkušanja in s tem tudi na velikost lomne žilavosti. Spremembe omejevanja plastične deformacije med lomnomehanskim preizkušanjem še dodatno vplivajo na iniciacijo žilavega in krhkega loma v zvarnem spoju. V članku je opisana prenosljivost rezultatov lomne žilavosti za ocenitev lomnega vedenja trdnostno različnih zvarnih spojev na osnovi dvoparametrskega merila in lokalnega načina. Potrjena je praktična uporaba numeričnih simulacij, ki temeljijo na uporabi prenosljivega lomnega koncepta.
Keywords:	varjenje, zvarni spoji, trdnostna neenakost, omejevanje plastične deformacije, koncept prenosljivosti

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