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Št. zadetkov: 3
Application of normalization method to fracture toughness testing of welds with pronounced strength heterogeneity
Primož Štefane, Nenad Gubeljak, Stjin Hertelé
Doktorska disertacija
Oznake: weld;strength mismatch;fracture;normalization data reduction technique;plastic correction factors;test fixture;SE(B) specimen;J-R resistance curve;
This doctoral dissertation presents the results of an extensive fracture testing programme of welds with pronounced strength heterogeneity. Purpose of this programme was to determine fracture toughness of heterogeneous welds that contain a midplane crack. Application of standardized fracture testing ...
Leto: 2022 Vir: Fakulteta za strojništvo (UM FS)
Effects of fixture configurations and weld strength mismatch on J-integral calculation procedure for SE(B) specimens
Primož Štefane, Stjin Hertelé, Sameera Naib, Wim De Waele, Nenad Gubeljak
Izvirni znanstveni članek
Oznake: zvarni spoji;trdnostna neenakost;mehanika loma;plastični korekcijski faktorji;pritrdilni valji;J-R uporna krivulja;metal weld;strength mismatch;fracture;plastic correction factors;fixture rollers;J-R resistance curve;
This work presents the development of a J-integral estimation procedure for deep and shallow cracked bend specimens based upon plastic ηpl factors for a butt weld made in an S690 QL high strength low alloyed steel. Experimental procedures include the characterization of average material propertie ...
Leto: 2022 Vir: Fakulteta za strojništvo (UM FS)
Characterization of heterogeneous arc welds through miniature tensile testing and Vickers-hardness mapping
Stjin Hertelé, Jonas Bally, Nenad Gubeljak, Primož Štefane, Patricia Verleysen, Wim De Waele
Izvirni znanstveni članek
Oznake: arc weld;heterogeneity;hardness;miniature tensile testing;digital image correlation;
The heterogeneity of arc-welded connections is often ignored in structural assessments, giving rise to inaccuracies. Improved assessments taking into account heterogeneity require the characterization of local constitutive properties. We have compared two methods to do this: Vickers-hardness mapping ...
Leto: 2016 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 3
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