Results 121 to 130 of about 8,844 (225)

Microstructure Characterization of Refractory Powder Materials for LPBF Method

Archives of Metallurgy and Materials
The primary goal of this study was to comprehensively characterize the microstructure of refractory powder materials, particularly molybdenum (Mo) and molybdenum-rhenium (Mo-Re), in both non-spherical and spherical forms. The characterization was carried out with the use of advanced techniques including scanning electron microscopy (SEM), transmission ...
A. Czech, A. Wrona, M. Lis, M. Kot, Ł. Major   +4 more
openaire   +1 more source

Roles of Modeling and Artificial Intelligence in LPBF Metal Print Defect Detection: Critical Review

Applied Sciences
The integration of LPBF printing technologies in various innovative applications relies on the resilience and reliability of parts and their quality.
Scott Wahlquist, Amir Ali
doaj   +1 more source

Parameter and Microstructure Research on LPBF M50NiL steel

Abstract M50NiL bearing steel specimens are produced by the powder bed fusion-laser beam technology (PBF-LB), and the machinability and microstructural characteristics of bearing steel for PBF-LB have been investigated. Within a reasonable range, the relative density of specimens is positively correlated with the laser power while ...
Xin Zhang, Jiwen Li, Wei Liu, Zhenshuai Wang, Liujie Xu, Yujun Xue   +5 more
openaire   +1 more source

Analysis of mechanical interlocking of as-printed LPBF surfaces

Next Materials
This study characterizes as-printed surface of orthodontic brackets fabricated by powder bed laser fusion additive manufacturing method in the context of the potential for mechanical interlocking with polymeric coatings. The ball-like features (BLFs) appearing on the surface of the artefact were quantitatively analyzed in terms of their size, shape ...
Mehmet Aladag, Izabela Zglobicka, Mathew Cyriac, Lukas Stepien, Elena Lopez, Krzysztof Jan Kurzydlowski   +5 more
openaire   +1 more source

Calibration of Two-dimensional Floodplain Modeling in the Atchafalaya River Basin Using SAR Interferometry [PDF]

Two-dimensional (2D) satellite imagery has been increasingly employed to improve prediction of floodplain inundation models. However, most focus has been on validation of inundation extent, with little attention on the 2D spatial variations of water ...
Alsdorf, Doug, Bates, Paul, Jasinski, Michael, Jung, Hahn Chul, Kim, Jin-Woo, Lee, Hgongki, Neal, Jeffrey, Shum, C. K.   +7 more
core   +1 more source

Structural transformation behavior in a high Nb–TiAl alloy additively manufactured by laser powder bed fusion

Journal of Materials Research and Technology
High Nb–TiAl alloys fabricated using laser powder bed fusion (LPBF) exhibit a metastable α2 phase due to the rapid cooling rate of the LPBF process. However, the understanding of the structural transformation behavior in LPBF-fabricated high Nb–TiAl ...
Maosong Wang, Haojie Luo, Yulei Du, Wenhe Liao, Yu Deng   +4 more
doaj   +1 more source

Recent progress and perspectives in laser additive manufacturing of biodegradable zinc alloy

Journal of Materials Research and Technology
Laser Powder Bed Fusion (LPBF) is a widely used metal additive manufacturing technology that offers significant advantages in the precise fabrication of personalized geometric shapes and intricate porous structures for medical devices.
Jie Cui, Huixin Liang, Shuxin Chen, Yinjin Shao, Huiming Chen, Mingli Yang, Youwen Yang   +6 more
doaj   +1 more source

Lpbf Processability of Nitihf Alloys: Systematic Modeling and Single-Track Studies

Materials
Research into the processability of NiTiHf high-temperature shape memory alloys (HTSMAs) via laser powder bed fusion (LPBF) is limited; nevertheless, these alloys show promise for applications in extreme environments. This study aims to address this limitation by investigating the printability of four NiTiHf alloys with varying Hf content (1, 2, 15 ...
Hediyeh Dabbaghi, Mohammad Pourshams, Mohammadreza Nematollahi, Behrang Poorganji, Michael M. Kirka, Scott Smith, Chins Chinnasamy, Mohammad Elahinia   +7 more
openaire   +2 more sources

Microstructure and mechanical property comparison of Inconel alloys fabricated using micro and conventional laser powder bed fusion

Materials & Design
Compared to conventional laser powder bed fusion (c-LPBF), micro laser powder bed fusion (μ-LPBF) offers enhanced capabilities for fabricating complex components with exceptional accuracy.
Yixuan Chen, Weihao Wang, Yao Ou, Hai Chang, Yingna Wu, Rui Yang, Zirong Zhai, Kefei Li, Liyaowei Shen   +8 more
doaj   +1 more source

Mitigating elevated-temperature ductility loss in a LPBF-fabricated René77 superalloy via super-solvus heat-treatment

Materials Research Letters
Laser-powder bed fusion (LPBF) fabricated high-performance superalloys (e.g. René 77) suffered from severe elevated-temperature ductility loss, which largely restricts their wide applications.
Yanbo Zhang, Kaiju Lu, Rui Hu, Tao Huang, Xiubing Liang   +4 more
doaj   +1 more source