Zobrazeno 1 - 10
of 706
pro vyhledávání: '"microstructure formation"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 4365-4378 (2024)
To reveal the microstructure forming mechanism of laser/ultra-high frequency (UHF) induction deposition, this paper developed a microscopic phase-field (PF) model to numerically investigate dendrite growth during solidification. The macroscopic model
Externí odkaz:
https://doaj.org/article/7e59a22bcdfe4a7a99fb4e055bb262e2
Autor:
Thomas Klein, Duyao Zhang, Ella Staufer, Torben Boll, Christian Schneider-Broeskamp, Christian Edtmaier, Martin Schmitz-Niederau, Jelena Horky, Dong Qiu, Mark Easton
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4978-4985 (2023)
Titanium alloys have been gaining importance in various industries due to their advantageous combination of strength, low density, excellent corrosion/oxidation resistance, and superior mechanical properties at elevated temperatures. Recently, eutect
Externí odkaz:
https://doaj.org/article/570275c90e9945078bb4d30b5d24a245
Autor:
Shiraz Mujahid, Alireza Fadavi Boostani, YubRaj Paudel, Andrew Oppedal, Bhasker Paliwal, Hongjoo Rhee, Haitham El Kadiri
Publikováno v:
Metals, Vol 14, Iss 7, p 828 (2024)
Manufacturing titanium alloys with simultaneous enhancement in strength and ductility has motivated extensive research into various strategies for regulating the arrangement and texture of α and β phases. The present study explores a novel α + β
Externí odkaz:
https://doaj.org/article/04a8155efb4b4d5597079494efc8359f
Publikováno v:
Materials, Vol 17, Iss 13, p 3248 (2024)
This study investigates the feasibility of utilizing the finite element method (FEM)-based conductive heat transfer (CHT) analysis simulation to determine temperature gradients and solidification rates at the solid–liquid interface during laser bea
Externí odkaz:
https://doaj.org/article/c83b73e310294ef6989c48bbb917ef7d
Autor:
Garrett M. Kelley, M. Ramulu
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e25971- (2024)
Electron beam melting is a powder bed fusion process capable of manufacturing thin structural features. However, as the thickness of these features approaches typical microstructure grain sizes, it becomes vital to understand how the manufacturing pr
Externí odkaz:
https://doaj.org/article/75f0553c7af44b07b8a6079e86a2c2b2
Publikováno v:
Alloys, Vol 2, Iss 3, Pp 168-183 (2023)
Case-hardening steels are gaining increasing interest in the field of laser powder bed fusion (PBF-LB/M) due to their excellent weldability. In combination with post-process carburization heat treatment, the surface properties can be improved to gene
Externí odkaz:
https://doaj.org/article/4f39953913d64ecc86761ba90f90759d
Publikováno v:
IUCrJ, Vol 10, Iss 2, Pp 177-188 (2023)
Self-repair, as a natural phenomenon, has been vastly observed and investigated in a variety of fields. With such an ability, living species self-heal their wounds to restore physiological functions while non-biological materials return to their orig
Externí odkaz:
https://doaj.org/article/13400331640a48cebab6be561ca605a2
Synthesis of TiCx/Al Composites via In Situ Reaction between AlxTi Melt and Dissolvable Solid Carbon
Publikováno v:
Metals, Vol 14, Iss 4, p 379 (2024)
TiCx/Al composites were successfully prepared in this study by dissolving graphite particles in Al-Ti melt based on the principle of a solid–liquid in situ reaction. It was observed that the microstructure of the TiCx/Al composites changed with cha
Externí odkaz:
https://doaj.org/article/e45d23371cf34213a3f6f6907853e3cf
Publikováno v:
Metals, Vol 14, Iss 1, p 68 (2024)
The control of phase balance has always been a tough challenge for the welding of duplex stainless steel, which heavily restricts its optimal serving performance in engineering. The microstructure development and mechanical characteristics of SAF2205
Externí odkaz:
https://doaj.org/article/e2595c501b414fe6b398deddd6ae4acb
Autor:
Joachim Gussone, Marcus Willi Rackel, Silvana Tumminello, Pere Barriobero-Vila, Frederic Kreps, Klemens Kelm, Andreas Stark, Norbert Schell, Florian Pyczak, Jan Haubrich, Guillermo Requena
Publikováno v:
Materials & Design, Vol 232, Iss , Pp 112154- (2023)
We compare microstructure formation during laser powder bed fusion (LPBF) of a Ti-22Al-25Nb alloy applying low and high pre-heating build plate temperatures. Fast cooling rates during low-temperature LPBF lead to metastable weakly ordered β phase, i
Externí odkaz:
https://doaj.org/article/d721c2c942cc42e38b4bd51c9e67b460