Shot-peening induced twinning in ship-building steel
Dvojnikovanje u brodskom limu kao posledica tretiranja u mlazu sačme
Abstract
The aim of this work to simulate a shot-peening process and reveal the final microstructure. The latter consisted of rafinated ferritic grains, with occurrence of twins in some grains. Since the twinning occurs when a very high strain rate is applied on room temperature, a assumption has been made that due to interference of shock waves that follow the shot of each ball, a critical resolved shear stress for twinning has been reached and produced twins.
U radu je izvršena simulacija procesa tretiranja u mlazu sačme na jednom brodskom limu. Ispitivanja mikrostrukture nakon tretmana su pokazala da pored očekivane rafinacije zrna u pojedinim zrnima dolazi i do pojave dvojnika, koji su karakteristični za uslove veoma velike brzine deformacije. Pretpostavjeno je da se razloženo kritično smicajno naprezanje za dvojnikovanje dostiže usled superponiranja udarnih talasa koje izazivaju udarci kuglica na površinu lima.
Keywords:
shot-peening / ship-building steel / twins / high strain rate / ball / critical resolved shear stress for twinning / mlaz sačme / brodski lim / dvojnici / velika brzina deformacije / kuglice / razloženo kritično smicajno naprezanje za dvojnikovanjeSource:
Metalurgija, 2002, 8, 2, 149-155Publisher:
- Savez inženjera metalurgije Srbije, Beograd
Institution/Community
Tehnološko-metalurški fakultetTY - JOUR AU - Matijašević, Biljana AU - Kinder, Joachim AU - Radović, Nenad AU - Volkov-Husović, Tatjana PY - 2002 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/422 AB - The aim of this work to simulate a shot-peening process and reveal the final microstructure. The latter consisted of rafinated ferritic grains, with occurrence of twins in some grains. Since the twinning occurs when a very high strain rate is applied on room temperature, a assumption has been made that due to interference of shock waves that follow the shot of each ball, a critical resolved shear stress for twinning has been reached and produced twins. AB - U radu je izvršena simulacija procesa tretiranja u mlazu sačme na jednom brodskom limu. Ispitivanja mikrostrukture nakon tretmana su pokazala da pored očekivane rafinacije zrna u pojedinim zrnima dolazi i do pojave dvojnika, koji su karakteristični za uslove veoma velike brzine deformacije. Pretpostavjeno je da se razloženo kritično smicajno naprezanje za dvojnikovanje dostiže usled superponiranja udarnih talasa koje izazivaju udarci kuglica na površinu lima. PB - Savez inženjera metalurgije Srbije, Beograd T2 - Metalurgija T1 - Shot-peening induced twinning in ship-building steel T1 - Dvojnikovanje u brodskom limu kao posledica tretiranja u mlazu sačme EP - 155 IS - 2 SP - 149 VL - 8 UR - https://hdl.handle.net/21.15107/rcub_technorep_422 ER -
@article{ author = "Matijašević, Biljana and Kinder, Joachim and Radović, Nenad and Volkov-Husović, Tatjana", year = "2002", abstract = "The aim of this work to simulate a shot-peening process and reveal the final microstructure. The latter consisted of rafinated ferritic grains, with occurrence of twins in some grains. Since the twinning occurs when a very high strain rate is applied on room temperature, a assumption has been made that due to interference of shock waves that follow the shot of each ball, a critical resolved shear stress for twinning has been reached and produced twins., U radu je izvršena simulacija procesa tretiranja u mlazu sačme na jednom brodskom limu. Ispitivanja mikrostrukture nakon tretmana su pokazala da pored očekivane rafinacije zrna u pojedinim zrnima dolazi i do pojave dvojnika, koji su karakteristični za uslove veoma velike brzine deformacije. Pretpostavjeno je da se razloženo kritično smicajno naprezanje za dvojnikovanje dostiže usled superponiranja udarnih talasa koje izazivaju udarci kuglica na površinu lima.", publisher = "Savez inženjera metalurgije Srbije, Beograd", journal = "Metalurgija", title = "Shot-peening induced twinning in ship-building steel, Dvojnikovanje u brodskom limu kao posledica tretiranja u mlazu sačme", pages = "155-149", number = "2", volume = "8", url = "https://hdl.handle.net/21.15107/rcub_technorep_422" }
Matijašević, B., Kinder, J., Radović, N.,& Volkov-Husović, T.. (2002). Shot-peening induced twinning in ship-building steel. in Metalurgija Savez inženjera metalurgije Srbije, Beograd., 8(2), 149-155. https://hdl.handle.net/21.15107/rcub_technorep_422
Matijašević B, Kinder J, Radović N, Volkov-Husović T. Shot-peening induced twinning in ship-building steel. in Metalurgija. 2002;8(2):149-155. https://hdl.handle.net/21.15107/rcub_technorep_422 .
Matijašević, Biljana, Kinder, Joachim, Radović, Nenad, Volkov-Husović, Tatjana, "Shot-peening induced twinning in ship-building steel" in Metalurgija, 8, no. 2 (2002):149-155, https://hdl.handle.net/21.15107/rcub_technorep_422 .