Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom
Material toughness assessment using different parameters obtained by Charpy Pendulum
Апстракт
Na instrumentiranom Šarpi klatnu može se ukupna energija loma razdvojiti na energiju inicijacije i energiju rasta prsline. To je iskorišćeno u ovom radu za ispitivanje udarne žilavost E postupkom zavarenog spoja čelika, mikrolegiranog niobijumom, vanadijumom i titanom. Izmerena je tvrdoća spoja, i izvedena su makro- i mikrostrukturna ispitivanja. Merenjem poprečne deformacije epruveta posle loma, fraktografskim pregledom i određivanjem udela krtog loma na površini preloma dobijeni su dodatni podaci o mehanizmu loma. Poređenje svih praćenih parametara omogućava ocenu sklonosti materijala ka krtom lomu, otpornosti na nastanak i rast prsline i potencijalnih mesta nastanka loma.
It is possible to divide total impact energy on instrumented Charpy pendulum into energies for crack initiation and growth. This is applied in this paper for impact toughness testing of the joint, welded by E procedure in the steel, microalloyed with niobium, vanadium and titanium. Hardness of the joint was measured, and macro- and microstructural analysis has been performed. By measuring of lateral extension of specimens after fracture, fractography and brittle fracture appearance on fracture surface additional data about fracture mechanisms are obtained. The comparison of all considered parameters enables assessment of material susceptibility to brittle fracture, crack initiation and growth resistance and potential sites of fracture occurrence.
Кључне речи:
poprečno širenje / oblik površine preloma / krti lom / instrumentirano udarno ispitivanje / energija nastanka i rasta prsline / lateral expansion / instrumented impact test / fracture surface appearance / energy for crack initiation and growth / brittle fracturreИзвор:
Integritet i vek konstrukcija, 2002, 2, 1-2, 29-38Издавач:
- Institut za ispitivanje materijala, Beograd
Институција/група
Inovacioni centarTY - JOUR AU - Popović, Olivera AU - Sedmak, Aleksandar AU - Trišović, Nataša PY - 2002 UR - https://machinery.mas.bg.ac.rs/handle/123456789/289 AB - Na instrumentiranom Šarpi klatnu može se ukupna energija loma razdvojiti na energiju inicijacije i energiju rasta prsline. To je iskorišćeno u ovom radu za ispitivanje udarne žilavost E postupkom zavarenog spoja čelika, mikrolegiranog niobijumom, vanadijumom i titanom. Izmerena je tvrdoća spoja, i izvedena su makro- i mikrostrukturna ispitivanja. Merenjem poprečne deformacije epruveta posle loma, fraktografskim pregledom i određivanjem udela krtog loma na površini preloma dobijeni su dodatni podaci o mehanizmu loma. Poređenje svih praćenih parametara omogućava ocenu sklonosti materijala ka krtom lomu, otpornosti na nastanak i rast prsline i potencijalnih mesta nastanka loma. AB - It is possible to divide total impact energy on instrumented Charpy pendulum into energies for crack initiation and growth. This is applied in this paper for impact toughness testing of the joint, welded by E procedure in the steel, microalloyed with niobium, vanadium and titanium. Hardness of the joint was measured, and macro- and microstructural analysis has been performed. By measuring of lateral extension of specimens after fracture, fractography and brittle fracture appearance on fracture surface additional data about fracture mechanisms are obtained. The comparison of all considered parameters enables assessment of material susceptibility to brittle fracture, crack initiation and growth resistance and potential sites of fracture occurrence. PB - Institut za ispitivanje materijala, Beograd T2 - Integritet i vek konstrukcija T1 - Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom T1 - Material toughness assessment using different parameters obtained by Charpy Pendulum EP - 38 IS - 1-2 SP - 29 VL - 2 UR - https://hdl.handle.net/21.15107/rcub_machinery_289 ER -
@article{ author = "Popović, Olivera and Sedmak, Aleksandar and Trišović, Nataša", year = "2002", abstract = "Na instrumentiranom Šarpi klatnu može se ukupna energija loma razdvojiti na energiju inicijacije i energiju rasta prsline. To je iskorišćeno u ovom radu za ispitivanje udarne žilavost E postupkom zavarenog spoja čelika, mikrolegiranog niobijumom, vanadijumom i titanom. Izmerena je tvrdoća spoja, i izvedena su makro- i mikrostrukturna ispitivanja. Merenjem poprečne deformacije epruveta posle loma, fraktografskim pregledom i određivanjem udela krtog loma na površini preloma dobijeni su dodatni podaci o mehanizmu loma. Poređenje svih praćenih parametara omogućava ocenu sklonosti materijala ka krtom lomu, otpornosti na nastanak i rast prsline i potencijalnih mesta nastanka loma., It is possible to divide total impact energy on instrumented Charpy pendulum into energies for crack initiation and growth. This is applied in this paper for impact toughness testing of the joint, welded by E procedure in the steel, microalloyed with niobium, vanadium and titanium. Hardness of the joint was measured, and macro- and microstructural analysis has been performed. By measuring of lateral extension of specimens after fracture, fractography and brittle fracture appearance on fracture surface additional data about fracture mechanisms are obtained. The comparison of all considered parameters enables assessment of material susceptibility to brittle fracture, crack initiation and growth resistance and potential sites of fracture occurrence.", publisher = "Institut za ispitivanje materijala, Beograd", journal = "Integritet i vek konstrukcija", title = "Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom, Material toughness assessment using different parameters obtained by Charpy Pendulum", pages = "38-29", number = "1-2", volume = "2", url = "https://hdl.handle.net/21.15107/rcub_machinery_289" }
Popović, O., Sedmak, A.,& Trišović, N.. (2002). Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom. in Integritet i vek konstrukcija Institut za ispitivanje materijala, Beograd., 2(1-2), 29-38. https://hdl.handle.net/21.15107/rcub_machinery_289
Popović O, Sedmak A, Trišović N. Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom. in Integritet i vek konstrukcija. 2002;2(1-2):29-38. https://hdl.handle.net/21.15107/rcub_machinery_289 .
Popović, Olivera, Sedmak, Aleksandar, Trišović, Nataša, "Određivanje žilavosti materijala različitim parametrima dobijenim Šarpijevim klatnom" in Integritet i vek konstrukcija, 2, no. 1-2 (2002):29-38, https://hdl.handle.net/21.15107/rcub_machinery_289 .