Multi-physics modeling of grain growth during solidification in electron beam additive manufacturing of Inconel 718

S Kamat, X Li, B Stump, A Plotkowski… - … and Simulation in …, 2022 - iopscience.iop.org
While experimental work has shown promising results regarding control of additive
manufacturing metal grain structure, the effects of processing parameters on the grain …

A calculation method of solidification parameter threshold for welding microstructure evolution

X Zhang, W Zhang, S Bian, P Zhao - Materials Letters, 2023 - Elsevier
The relationship between the evolution of microstructure morphology (planar, cellular,
columnar and equiaxed) and grain size (2.5 μm, 5.0 μm, 7.5 μm and 10.0 μm) of a specified …

Practical approach to eliminate solidification cracks by supplementing AlMg4. 5Mn0. 7 with AlSi10Mg powder in laser powder bed fusion

C Böhm, M Werz, S Weihe - Materials, 2022 - mdpi.com
The range of available aluminum alloy powders for laser powder bed fusion (LPBF) is
restricted to mainly Al–Si based alloys. Currently aluminum alloy powders, designed for …

[HTML][HTML] Mitigating solidification cracking during the laser welding of extruded Al–Mg–Si alloys by tailoring the microstructure

J Lee, J Jang, S Lee, M Kang, T Lim, SH Lee - Engineering Science and …, 2024 - Elsevier
This study proposes a novel approach for mitigating the internal solidification cracking that
occurs during the laser welding of extruded Al–Mg–Si alloys. The microstructures of the …

First-principles study of Ti adsorption on Al4C3 (0001) surface

B Jiang, P Cui, H Xu, Y Wang, Z Ji - Applied Surface Science, 2024 - Elsevier
Al 4 C 3 phase is hypothesized to undergo a solid–solid phase transition into TiC, thereby
facilitating the heterogeneous nucleation of α-Al. However, capturing this transition process …

Effect of post-weld heat treatment on the microstructure, phase composition and mechanical properties of dissimilar Al-Mg-Li/Al-Cu-Li laser welded joints

A Malikov, I Vitoshkin, A Filippov, E Karpov… - Optics & Laser …, 2024 - Elsevier
Butt joints of the V-1461 and 1424 heat treated aluminum–lithium alloys of the third
generation were welded with a CO 2 laser and studied in detail for the first time. In particular …

[PDF][PDF] Analytical approach for the transition to an equiaxed dendritic solidification during laser beam welding of aluminium alloys

C Böhm, Y Nasr, J Wagner, C Hagenlocher, S Weihe - WLT eV (Ed.), LiM, 2021 - wlt.de
An equiaxed solidification in a laser beam welded seam is beneficial. It leads to grain
refinement, which increases mechanical strength and hot cracking resistance. The effects of …

Weldability of Nickel/Aluminum Dissimilar Materials Laser Welding Part II: Microstructure Development, Solidification Behavior and Mechanical Properties of …

Z Gao - Journal of Physics: Conference Series, 2022 - iopscience.iop.org
The weldability and fabricability of nonheat treatable Aluminum-Magnesium alloy 5083H116
in shipbuilding industry by attractive laser welding are progressively assessed in this paper …

Necking and Softening Affected by Grain Shape and Grain Boundary Sliding in Selective Laser Melted Β-Ti Alloy

Q Xie, K Feng, Q Chu, X Yan, M Liu, D Yu, S Yin… - Available at SSRN … - papers.ssrn.com
No strain hardening of the Ti-12Mo-6Zr-2Fe alloy has been ascribed to a dynamic recovery
effect. However, in our recent tests, grain boundary sliding (GBS) induced softening and …

[引用][C] Entwicklung einer Gefügekarte für Laserschweißnähte aus Aluminiumlegierungen

C Böhm - 2022 - … (MPA), Universität Stuttgart