Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova
The effect of input energy on toughness of weld metal made by gas metal arc welding of microalloyed steel
Апстракт
Instrumentiranim Šarpijevim klatno je ispitana udarna žilavost metala šava dva valjana mikrolegirana čelika, zavarena elektrolučno u zaštiti mešavine gasova. Prethodno određena optimalna mešavina gasova (Ar+5%CO2+0.9%O2) je korišćena sa različitim vrednostima unete energije da bi se odredio njen uticaj na žilavost metala šava na različitim temperaturama. Optimalne vrednosti unete energije su određene za oba čelika, koje su davale najveću energiju rasta prsline u prisustvu acikularnog ferita, kao dominantne mikrostrukture.
Impact toughness of weld metals of two hot rolled microalloyed steels, welded by gas shielded metal arc process, has been evaluated by using the instrumented Charpy pendulum. Previously determined optimum gas mixture (Ar+5%CO2+0.9%O2) was used with different energy inputs to determine its effect on weld metal toughness at different testing temperatures. For both steels the optimum energy input has been determined, providing maximum crack propagation energy due to presence of acicular ferrite, as a dominant microstructure.
Кључне речи:
total impact energy / microalloyed steels / energy input / crackinitiation energy / crack propagation energyИзвор:
FME Transactions, 2003, 31, 2, 87-90Издавач:
- Univerzitet u Beogradu - Mašinski fakultet, Beograd
Институција/група
Inovacioni centarTY - JOUR AU - Prokić-Cvetković, Radica AU - Milosavljević, Anđelka AU - Sedmak, Aleksandar PY - 2003 UR - https://machinery.mas.bg.ac.rs/handle/123456789/340 AB - Instrumentiranim Šarpijevim klatno je ispitana udarna žilavost metala šava dva valjana mikrolegirana čelika, zavarena elektrolučno u zaštiti mešavine gasova. Prethodno određena optimalna mešavina gasova (Ar+5%CO2+0.9%O2) je korišćena sa različitim vrednostima unete energije da bi se odredio njen uticaj na žilavost metala šava na različitim temperaturama. Optimalne vrednosti unete energije su određene za oba čelika, koje su davale najveću energiju rasta prsline u prisustvu acikularnog ferita, kao dominantne mikrostrukture. AB - Impact toughness of weld metals of two hot rolled microalloyed steels, welded by gas shielded metal arc process, has been evaluated by using the instrumented Charpy pendulum. Previously determined optimum gas mixture (Ar+5%CO2+0.9%O2) was used with different energy inputs to determine its effect on weld metal toughness at different testing temperatures. For both steels the optimum energy input has been determined, providing maximum crack propagation energy due to presence of acicular ferrite, as a dominant microstructure. PB - Univerzitet u Beogradu - Mašinski fakultet, Beograd T2 - FME Transactions T1 - Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova T1 - The effect of input energy on toughness of weld metal made by gas metal arc welding of microalloyed steel EP - 90 IS - 2 SP - 87 VL - 31 UR - https://hdl.handle.net/21.15107/rcub_machinery_340 ER -
@article{ author = "Prokić-Cvetković, Radica and Milosavljević, Anđelka and Sedmak, Aleksandar", year = "2003", abstract = "Instrumentiranim Šarpijevim klatno je ispitana udarna žilavost metala šava dva valjana mikrolegirana čelika, zavarena elektrolučno u zaštiti mešavine gasova. Prethodno određena optimalna mešavina gasova (Ar+5%CO2+0.9%O2) je korišćena sa različitim vrednostima unete energije da bi se odredio njen uticaj na žilavost metala šava na različitim temperaturama. Optimalne vrednosti unete energije su određene za oba čelika, koje su davale najveću energiju rasta prsline u prisustvu acikularnog ferita, kao dominantne mikrostrukture., Impact toughness of weld metals of two hot rolled microalloyed steels, welded by gas shielded metal arc process, has been evaluated by using the instrumented Charpy pendulum. Previously determined optimum gas mixture (Ar+5%CO2+0.9%O2) was used with different energy inputs to determine its effect on weld metal toughness at different testing temperatures. For both steels the optimum energy input has been determined, providing maximum crack propagation energy due to presence of acicular ferrite, as a dominant microstructure.", publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd", journal = "FME Transactions", title = "Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova, The effect of input energy on toughness of weld metal made by gas metal arc welding of microalloyed steel", pages = "90-87", number = "2", volume = "31", url = "https://hdl.handle.net/21.15107/rcub_machinery_340" }
Prokić-Cvetković, R., Milosavljević, A.,& Sedmak, A.. (2003). Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova. in FME Transactions Univerzitet u Beogradu - Mašinski fakultet, Beograd., 31(2), 87-90. https://hdl.handle.net/21.15107/rcub_machinery_340
Prokić-Cvetković R, Milosavljević A, Sedmak A. Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova. in FME Transactions. 2003;31(2):87-90. https://hdl.handle.net/21.15107/rcub_machinery_340 .
Prokić-Cvetković, Radica, Milosavljević, Anđelka, Sedmak, Aleksandar, "Uticaj unete energije na žilavost metala šava dobijenog elektrolučnim zavarivanjem mikrolegiranih čelika u zaštiti mešavine gasova" in FME Transactions, 31, no. 2 (2003):87-90, https://hdl.handle.net/21.15107/rcub_machinery_340 .
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