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Pregled bibliografske jedinice broj: 1149202

Weldability of nickel and nickel-based alloys


Kojundžić, Domagoj; Krnić, Nikša; Samardžić, Ivan
Weldability of nickel and nickel-based alloys // MTECH 2021 Conference Proceedings / Stojanović, Ivan (ur.).
Zagreb: Croatian Society for Materials Protection, 2021. str. 214-233 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Weldability of nickel and nickel-based alloys

Autori
Kojundžić, Domagoj ; Krnić, Nikša ; Samardžić, Ivan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
MTECH 2021 Conference Proceedings / Stojanović, Ivan - Zagreb : Croatian Society for Materials Protection, 2021, 214-233

Skup
International conference on materials, corrosion, heat treatment, testing and tribology, 2021

Mjesto i datum
Šibenik, Hrvatska, 06-09.10.2021

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Nickel ; Nickel-based Alloys ; Weldability ; Hot Cracking ; Weld Metal Solidification Cracking ; Liquation Cracking ; Ductility Dip Cracking (DDC) ; Strain Age Cracking (SAC) ; Porosity ; Welding Processes

Sažetak
Nickel is strategic metal due to its importance for aerospace, military, power and chemical industry. Commercially pure (CP) nickel and three different nickel-based alloys — solid-solution strengthened (SSS), precipitation strengthened (PS) and specialty alloys — are broadly used, usually at very high temperatures, in corrosive environments and in cryogenic applications. Nickel or nickel alloys often need to be welded. All electric arc and beam power welding processes have been applied on nickel and its alloys. TIG and EBW have been most frequently used. Friction stir welding (FSW) is the most promising solid state welding process for joining nickel and its alloys. Porosity, hot and warm cracking are the main weldability problems associated with nickel and its alloys. CP nickel has the best weldability. It is susceptible to porosity and weld metal solidification cracking. Generally, SSS alloys have better weldability compared to PS nickel alloys but both can exhibit weld metal solidification cracking, liquation cracking in partially melted and heat-affected zone and ductility-dip cracking (DDC). Additionaly, PS alloys are susceptible to strain-age cracking (SAC). Weldability of speciality nickel alloys is poor and brazing could be the solution. Using suitable filler metal, welding parameters and low restraint can minimize or prevent cracking.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split

Profili:

Avatar Url Ivan Samardžić (autor)

Avatar Url Domagoj Kojundžić (autor)

Avatar Url Nikša Krnić (autor)


Citiraj ovu publikaciju:

Kojundžić, Domagoj; Krnić, Nikša; Samardžić, Ivan
Weldability of nickel and nickel-based alloys // MTECH 2021 Conference Proceedings / Stojanović, Ivan (ur.).
Zagreb: Croatian Society for Materials Protection, 2021. str. 214-233 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Kojundžić, D., Krnić, N. & Samardžić, I. (2021) Weldability of nickel and nickel-based alloys. U: Stojanović, I. (ur.)MTECH 2021 Conference Proceedings.
@article{article, author = {Kojund\v{z}i\'{c}, Domagoj and Krni\'{c}, Nik\v{s}a and Samard\v{z}i\'{c}, Ivan}, editor = {Stojanovi\'{c}, I.}, year = {2021}, pages = {214-233}, keywords = {Nickel, Nickel-based Alloys, Weldability, Hot Cracking, Weld Metal Solidification Cracking, Liquation Cracking, Ductility Dip Cracking (DDC), Strain Age Cracking (SAC), Porosity, Welding Processes}, title = {Weldability of nickel and nickel-based alloys}, keyword = {Nickel, Nickel-based Alloys, Weldability, Hot Cracking, Weld Metal Solidification Cracking, Liquation Cracking, Ductility Dip Cracking (DDC), Strain Age Cracking (SAC), Porosity, Welding Processes}, publisher = {Croatian Society for Materials Protection}, publisherplace = {\v{S}ibenik, Hrvatska} }
@article{article, author = {Kojund\v{z}i\'{c}, Domagoj and Krni\'{c}, Nik\v{s}a and Samard\v{z}i\'{c}, Ivan}, editor = {Stojanovi\'{c}, I.}, year = {2021}, pages = {214-233}, keywords = {Nickel, Nickel-based Alloys, Weldability, Hot Cracking, Weld Metal Solidification Cracking, Liquation Cracking, Ductility Dip Cracking (DDC), Strain Age Cracking (SAC), Porosity, Welding Processes}, title = {Weldability of nickel and nickel-based alloys}, keyword = {Nickel, Nickel-based Alloys, Weldability, Hot Cracking, Weld Metal Solidification Cracking, Liquation Cracking, Ductility Dip Cracking (DDC), Strain Age Cracking (SAC), Porosity, Welding Processes}, publisher = {Croatian Society for Materials Protection}, publisherplace = {\v{S}ibenik, Hrvatska} }




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