Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Lars-Erik Svensson"'
Publikováno v:
Metals, Vol 9, Iss 10, p 1113 (2019)
The effect of grain orientation on hot cracking susceptibility of selective laser additive manufactured Alloy 718 was investigated by Varestraint testing. Electron backscattered diffraction showed that cracks in heat affected zone (HAZ) of the welded
Externí odkaz:
https://doaj.org/article/17da57be507443108435fcb8f2f92b71
Autor:
Tahira Raza, Kjell Hurtig, Gbenga Asala, Joel Andersson, Lars-Erik Svensson, Olanrewaju Akanbi Ojo
Publikováno v:
Metals, Vol 9, Iss 8, p 881 (2019)
The weldability of additive manufactured Alloy 718 was investigated in various heat-treated conditions. The microstructure of the base metal was examined in detail in order to understand the effect of different pre-weld heat treatments; i.e., solutio
Externí odkaz:
https://doaj.org/article/93349494fb6542a68c15b5f0b9b5c768
Publikováno v:
Welding in the World. 64:1237-1244
In this paper, T-joint samples in a 1300 MPa yield strength steel were produced using conventional or low transformation temperature (LTT) type consumables. The welded samples were either subjected to high-frequency mechanical impact (HFMI) treatment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6482ef3122df7edef2e79a37b43fac87
https://doi.org/10.1007/s40194-020-00917-z
https://doi.org/10.1007/s40194-020-00917-z
Publikováno v:
Materials Sciences and Applications. 10:53-64
Porosity is reported to be a major issue when welding cast magnesium. Therefore, it is important to understand the pore formation mechanisms and find procedures that could be used to reduce porosity. This study investigated the possibility of using t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58ea62905237a571fa15d2316b7af474
https://doi.org/10.4236/msa.2019.101006
https://doi.org/10.4236/msa.2019.101006
Publikováno v:
Materials Characterization. 142:550-559
A microstructural study of Laser Metal Powder Deposition (LMPD) of Alloy 718, using a low (40 J/mm) and high (100 J/mm) heat inputs (HIs) was performed. The microstructure was characterized in as-deposited condition as well as after a standard heat-t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed749a539524934ce83b738cfa533b3f
https://doi.org/10.1016/j.matchar.2018.06.020
https://doi.org/10.1016/j.matchar.2018.06.020
Publikováno v:
Metallurgical and Materials Transactions A. 49:5042-5050
Cracking in Alloy 718 using laser metal powder deposition has been evaluated in this study. It is found that the material is susceptible to cracking when the laser power is high, the scanning speed is high and the powder feeding rate is low. Almost a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c15e05db9ea309ab2ada15c2cbe8f60b
https://doi.org/10.1007/s11661-018-4767-0
https://doi.org/10.1007/s11661-018-4767-0
Publikováno v:
Science and Technology of Welding and Joining. 23:606-611
The weldability in terms of susceptibility towards hot cracking of selective laser melted (SLM) Alloy 718 was investigated and wrought Alloy 718 was used as reference material. Varestraint testing was carried out by means of investigating the weldabi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76b8e327eda12b1cce23fca3721eb7a0
https://doi.org/10.1080/13621718.2018.1437338
https://doi.org/10.1080/13621718.2018.1437338
Publikováno v:
Procedia Manufacturing. 25:450-458
Manufacturing of Alloy 718 with selective laser melting (SLM) process faces several challenges. One of the challenges is the process-induced porosities in as-manufactured SLM parts. Another challenge is the microstructure of Alloy 718 that contains a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f924b41baf15878a820754ce91d1d65
https://doi.org/10.1016/j.promfg.2018.06.100
https://doi.org/10.1016/j.promfg.2018.06.100
Publikováno v:
Optics & Laser Technology. 97:144-153
This paper focuses on how process parameters affect the deposition of Alloy 718 onto an EN 1.4401 stainless steel substrate in terms of secondary phase formation, dilution and hardness. A columnar solidification structure with elongated grains growin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fc8a863a1c6d76d10f2d2d45d6a675f
https://doi.org/10.1016/j.optlastec.2017.05.038
https://doi.org/10.1016/j.optlastec.2017.05.038
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 95:2543-2553
GMAW using the electrode with negative polarity (DCEN) has been frequently suggested as a potential means of increasing production capacity. The objective of this work was to further study the performance of negative polarity in GMAW of carbon steels
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb2af2d78b6fe30cbf142190497f420b
https://doi.org/10.1007/s00170-017-1349-z
https://doi.org/10.1007/s00170-017-1349-z