Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387
Effect of structural heterogeneity on the fracture mechanics parameters of welded joints of A.387 steel
Апстракт
Radi potpunijeg razumevanja uzroka i načina pojave i rasta prslina u zavarenim spojevima čelika A-387 Gr.11 predviđenog za rad u uslovima povišene temperature i pritiska, potrebno je da se utvrdi kako heterogenost strukture i mehaničkih svojstava zavarenog spoja, utiče na žilavost loma i pojavu i rast zamorne prsline. Ispitivanjem CT i Šarpi epruveta sa iniciranom zamornom prslinom data je ocena kako heterogenost strukture i mehaničkih svojstava zavarenog spoja utiču na parametre žilavosti loma i brzinu rasta zamorne prsline.
For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-387 Gr. 11 steel designed for high-temperature and high-pressure applications, it is necessary to determine the effect of the heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of the heterogeneity of the microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined.
Кључне речи:
žilavost loma / zavareni spoj / rast zamorne prsline / Parisov zakon / legirani čelik A387 Gr. 11 class 1 / welded joint / Paris law / fracture toughness / fatigue crack growth rate / alloy steel a-387 Gr. 11 class 1Извор:
Scientific Technical Review, 2014, 64, 4, 39-44Издавач:
- Vojnotehnički institut, Beograd
Колекције
Институција/група
Mašinski fakultetTY - JOUR AU - Burzić, Meri AU - Prokić-Cvetković, Radica AU - Popović, Olivera AU - Burzić, Zijah PY - 2014 UR - https://machinery.mas.bg.ac.rs/handle/123456789/1845 AB - Radi potpunijeg razumevanja uzroka i načina pojave i rasta prslina u zavarenim spojevima čelika A-387 Gr.11 predviđenog za rad u uslovima povišene temperature i pritiska, potrebno je da se utvrdi kako heterogenost strukture i mehaničkih svojstava zavarenog spoja, utiče na žilavost loma i pojavu i rast zamorne prsline. Ispitivanjem CT i Šarpi epruveta sa iniciranom zamornom prslinom data je ocena kako heterogenost strukture i mehaničkih svojstava zavarenog spoja utiču na parametre žilavosti loma i brzinu rasta zamorne prsline. AB - For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-387 Gr. 11 steel designed for high-temperature and high-pressure applications, it is necessary to determine the effect of the heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of the heterogeneity of the microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined. PB - Vojnotehnički institut, Beograd T2 - Scientific Technical Review T1 - Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387 T1 - Effect of structural heterogeneity on the fracture mechanics parameters of welded joints of A.387 steel EP - 44 IS - 4 SP - 39 VL - 64 UR - https://hdl.handle.net/21.15107/rcub_machinery_1845 ER -
@article{ author = "Burzić, Meri and Prokić-Cvetković, Radica and Popović, Olivera and Burzić, Zijah", year = "2014", abstract = "Radi potpunijeg razumevanja uzroka i načina pojave i rasta prslina u zavarenim spojevima čelika A-387 Gr.11 predviđenog za rad u uslovima povišene temperature i pritiska, potrebno je da se utvrdi kako heterogenost strukture i mehaničkih svojstava zavarenog spoja, utiče na žilavost loma i pojavu i rast zamorne prsline. Ispitivanjem CT i Šarpi epruveta sa iniciranom zamornom prslinom data je ocena kako heterogenost strukture i mehaničkih svojstava zavarenog spoja utiču na parametre žilavosti loma i brzinu rasta zamorne prsline., For better understanding of the phenomenon of crack initiation and propagation in welded joints of A-387 Gr. 11 steel designed for high-temperature and high-pressure applications, it is necessary to determine the effect of the heterogeneity of microstructural and mechanical properties on fracture toughness and fatigue crack initiation and propagation. Based on the tests conducted with pre-cracked CT and Charpy size specimens, the effect of the heterogeneity of the microstructural and mechanical properties of welded joints on fracture toughness and fatigue-crack growth parameters was determined.", publisher = "Vojnotehnički institut, Beograd", journal = "Scientific Technical Review", title = "Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387, Effect of structural heterogeneity on the fracture mechanics parameters of welded joints of A.387 steel", pages = "44-39", number = "4", volume = "64", url = "https://hdl.handle.net/21.15107/rcub_machinery_1845" }
Burzić, M., Prokić-Cvetković, R., Popović, O.,& Burzić, Z.. (2014). Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387. in Scientific Technical Review Vojnotehnički institut, Beograd., 64(4), 39-44. https://hdl.handle.net/21.15107/rcub_machinery_1845
Burzić M, Prokić-Cvetković R, Popović O, Burzić Z. Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387. in Scientific Technical Review. 2014;64(4):39-44. https://hdl.handle.net/21.15107/rcub_machinery_1845 .
Burzić, Meri, Prokić-Cvetković, Radica, Popović, Olivera, Burzić, Zijah, "Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387" in Scientific Technical Review, 64, no. 4 (2014):39-44, https://hdl.handle.net/21.15107/rcub_machinery_1845 .