Liquation Cracking in the Heat-Affected Zone of IN738 Superalloy Weld

Autor: Kai-Cheng Chen, Tai-Cheng Chen, Ren-Kae Shiue, Leu-Wen Tsay

Publikováno v: Metals, Vol 8, Iss 6, p 387 (2018)

The main scope of this study investigated the occurrence of liquation cracking in the heat-affected zone (HAZ) of IN738 superalloy weld, IN738 is widely used in gas turbine blades in land-based power plants. Microstructural examinations showed consid

Externí odkaz: https://doaj.org/article/d9c87c9754a0453c94da96b2a26208db

Mechanism of heat affected zone cracking in Ni-based superalloy DZ125L fabricated by laser 3D printing technique

Autor: Kai Chen, Yao Li, Nobumichi Tamura

Publikováno v: Li, Y; Chen, K; & Tamura, N. (2018). Mechanism of heat affected zone cracking in Ni-based superalloy DZ125L fabricated by laser 3D printing technique. Materials and Design, 150, 171-181. doi: 10.1016/j.matdes.2018.04.032. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/7gv5g5f6
Materials & Design, Vol 150, Iss, Pp 171-181 (2018)

Laser 3D printing is a promising technique to repair damaged Ni-based superalloy components. However, the occurrence of heat affected zone (HAZ) cracking severely limits its applicability. Here we unravel the cracking mechanism by studying the elemen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bce7f7d076b9938fc7488c69c81ad5ca
http://www.escholarship.org/uc/item/7gv5g5f6

Simplified Varestraint test for analyzing weldability of Nickel Superalloys

Autor: P. Alvarez, L. Vázquez, P.M García-Riesco, P. P. Rodríguez, A. Magaña, F. Santos

High temperature Ni-base superalloys are largely used in components of aircraft engines which are subjected to high thermal (above 700ºC) and structural loads. Investment casting has been traditionally implemented for the manufacturing of these comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02800ccd95ab798a43fd89467a289884

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