WELDING TECHNOLOGY SELECTION EFFECT ON FRACTURE-TOUGHNESS PARAMETERS OF BI-MATERIAL WELDED JOINTS
Nowadays, heterogeneous welded joints in metallic constructions are more and more frequently used so that these welded joints are the subject of a large number of investigations. In the present paper, welded joints consisting of micro alloy steel and austenitic steel realized with various filler met...
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| Published in: | Tehnički vjesnik Vol. 19; no. 1; pp. 167 - 174 |
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| Main Authors: | , , , , , |
| Format: | Journal Article |
| Language: | English |
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01-03-2012
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| Abstract | Nowadays, heterogeneous welded joints in metallic constructions are more and more frequently used so that these welded joints are the subject of a large number of investigations. In the present paper, welded joints consisting of micro alloy steel and austenitic steel realized with various filler metals and welding technologies are presented. The conducted testing was aimed at establishing the effect of the type of filler metal and heat input on the total impact energy, crack-initiation and crack-propagation energy as well as on the fracture toughness at plane-strain state of ferritic-austenitic welded joints. Optimum welding technology providing the highest welded-joint safety and extending operation life of construction has been defined.Original Abstract: Danas je sve ucestalija primjena raznorodnih spojeva u metalnim konstrukcijama, pa su ovi zavareni spojevi predmet velikog broja istrazivanja. U ovom su radu ispitivani spojevi mikrolegiranog i austenitnog celika ostvareni s razlicitim dodatnim materijalima i tehnologijama zavarivanja. Istrazivanja koja su provedena imala su za cilj utvrditi utjecaj vrste dodatnog materijala i unijete kolicine topline na ukupnu energiju udara, energiju stvaranj a i energiju rasta pukotine, kao i na zilavost loma pri ravnoj deformaciji feritno-austenitnih zavarenih spojeva. Definirana je optimalna tehnologija zavarivanja koja osigurava najvecu sigurnost zavarenog spoja i produzava radni vijek konstrukcije. |
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| AbstractList | Nowadays, heterogeneous welded joints in metallic constructions are more and more frequently used so that these welded joints are the subject of a large number of investigations. In the present paper, welded joints consisting of micro alloy steel and austenitic steel realized with various filler metals and welding technologies are presented. The conducted testing was aimed at establishing the effect of the type of filler metal and heat input on the total impact energy, crack-initiation and crack-propagation energy as well as on the fracture toughness at plane-strain state of ferritic-austenitic welded joints. Optimum welding technology providing the highest welded-joint safety and extending operation life of construction has been defined.Original Abstract: Danas je sve ucestalija primjena raznorodnih spojeva u metalnim konstrukcijama, pa su ovi zavareni spojevi predmet velikog broja istrazivanja. U ovom su radu ispitivani spojevi mikrolegiranog i austenitnog celika ostvareni s razlicitim dodatnim materijalima i tehnologijama zavarivanja. Istrazivanja koja su provedena imala su za cilj utvrditi utjecaj vrste dodatnog materijala i unijete kolicine topline na ukupnu energiju udara, energiju stvaranj a i energiju rasta pukotine, kao i na zilavost loma pri ravnoj deformaciji feritno-austenitnih zavarenih spojeva. Definirana je optimalna tehnologija zavarivanja koja osigurava najvecu sigurnost zavarenog spoja i produzava radni vijek konstrukcije. |
| Author | Burzic, Z Burzic, M Jovicic, R Prokic-Cvetkovic, R Popovic, O Bukvic, A |
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| Snippet | Nowadays, heterogeneous welded joints in metallic constructions are more and more frequently used so that these welded joints are the subject of a large number... |
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| SubjectTerms | Construction Crack propagation Filler metal Fracture mechanics Fracture toughness Structural steels Welded joints Welding |
| Title | WELDING TECHNOLOGY SELECTION EFFECT ON FRACTURE-TOUGHNESS PARAMETERS OF BI-MATERIAL WELDED JOINTS |
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