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laser-based powder bed fusion

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Journal Articles
AM&P Technical Articles (2023) 181 (6): 17–19.
Published: 01 September 2023
... describes some key developments and challenges related to additively manufactured electric motors in terms of manufacturing, materials development, and design. Copyright © ASM International® 2023 2023 ASM International electric motors Fe-Si alloys laser-based powder bed fusion multi...
Journal Articles
AM&P Technical Articles (2019) 177 (7): 16–21.
Published: 01 October 2019
... with laser powder bed fusion additive manufacturing. A novel framework including experimental and model-based techniques saves time and enables the introduction of new alloys for additive manufacturing. This article describes the first phase of the probabilistic machine learning framework...
Journal Articles
AM&P Technical Articles (2014) 172 (2): 18–23.
Published: 01 February 2014
... low residual stress compared to laser-based systems, and electron-beam-processed parts can be used without stress relieving operations. Heat source effects on mechanical properties are discussed in more detail further in this article. Powder bed fusion Powder bed fusion technologies place a layer...
Journal Articles
AM&P Technical Articles (2017) 175 (5): 36–40.
Published: 01 July 2017
... Products, 6Al-4V, Annealed Additive Manufacture of Aerospace Parts from Ni-base Superalloy 625 via the Laser Powder Bed Process Released 1977 Released 2002 In work AMS 7001 AMS 7002 AMS 7003 AMS 7004 Ni Base 625 Superalloy Powder for use in Laser Powder Bed Additive Manufacturing Machines Process...
Journal Articles
AM&P Technical Articles (2015) 173 (1): 20–24.
Published: 01 January 2015
... of process development for a steel and stainless steel alloy that are not standard materials for laser powder bed fusion equipment. In order to expand the choice of materials available for use in additive manufacturing, parameters that consider welding metallurgy, laser powder interaction, and post...
Journal Articles
AM&P Technical Articles (2021) 179 (4): 25–27.
Published: 01 May 2021
...Lavinia Tonelli This entry won the prestigious Jacquet-Lucas Award for Best in Show in the 2020 International Metallographic Contest. In the research discussed in this article, light microscopy was applied to a Co28Cr6Mo alloy for a biomedical application processed by laser bed powder fusion (LPBF...
Journal Articles
AM&P Technical Articles (2019) 177 (7): 22–26.
Published: 01 October 2019
... the letters BAM remain as powder filled cavity. manufacture test specimens and industry-related components to conduct research and participate in comparative and round-robin interlaboratory tests. Facilities include laser powder bed fusion (LPBF), laser metal deposition (LMD), and wire-arc additive...
Journal Articles
AM&P Technical Articles (2019) 177 (5): 28–29.
Published: 01 July 2019
... deposited. This method is also referred to as laser engineered net shaping, directed light fabrication, 3D laser cladding, and direct metal deposition. Finally, powder bed fusion is defined as an additive manufacturing process in which thermal energy selec- tively fuses regions of a powder bed. This process...
Journal Articles
AM&P Technical Articles (2022) 180 (5): 13–18.
Published: 01 July 2022
... freeform part or add material to an existing part. The two main categories include powder bed fusion (PBF) and directed energy deposition (DED). In PBF, a focused beam is used to trace out the part according to a defined toolpath from a CAD model in a layer-bylayer method using either a laser (L-PBF...
Journal Articles
AM&P Technical Articles (2021) 179 (5): 20–23.
Published: 01 July 2021
... ultimately reduces the ability of a part to withstand tensile stresses and can lead to premature failure[4-6]. Electron beam melting (EBM) is a powder bed fusion technique that uses an electron beam as a heat source to melt powder particles that have been spread over a build plate[7]. Unlike laser-based...
Journal Articles
AM&P Technical Articles (2023) 181 (3): 23–27.
Published: 01 April 2023
... and software can be modified to accommodate specific experimental designs. The CAT consists of an environmental chamber housing a laser powder bed fusion additive manufacturing build platform. The build environment was kept at < 10 ppm oxygen (O2), measured using a PureAire trace oxygen analyzer. The laser...
Journal Articles
AM&P Technical Articles (2021) 179 (7): 14–18.
Published: 01 October 2021
... 2021 ASM International HVOF spraying laser directed energy deposition laser powder bed fusion metallic glass components ADDITIVE MANUFACTURING ADVANCED MATERIALS & PROCESSES | OCTOBER 2021 httpsdoi.org/10.31399/asm.amp.2021-07.p014 1144 ADDITIVE MANUFACTURING OF METALLIC GLASSES: CURRENT...
Journal Articles
AM&P Technical Articles (2019) 177 (5): 16–21.
Published: 01 July 2019
... printing computational modeling functional materials laser powder bed fusion shape memory alloys A D V A N C E D M A T E R I A L S & P R O C E S S E S | J U L YA/DADUI TGIUVSETM2E0T1A9L S 1166 httpsdoi.org/10.31399/asm.amp.2019-05.p016 M4DEPRTINATLINLGIOCF FUNCTIONAL MATERIALS Kadri C. Atli, Luke...
Journal Articles
AM&P Technical Articles (2022) 180 (2): 24–27.
Published: 01 March 2022
... printing, allowing for the creation of previously impossible aerospace parts including for the hypersonic environment. Copyright © ASM International® 2022 2022 ASM International aerospace components certification laser powder bed fusion ADVANCED MATERIALS & PROCESSES | MARCH 2022...
Journal Articles
AM&P Technical Articles (2024) 182 (2): 20–23.
Published: 01 March 2024
.... Initially, electron beam powder bed fusion (EBPBF) processes garnered substantial attention, but in recent years, the U.S. has witnessed a surge in the adoption of laser powder bed fusion (LPBF). Ti-6Al-4V remains a prevalent choice, but exploration and optimization of process parameters for other alloys...
Journal Articles
AM&P Technical Articles (2017) 175 (6): 18–22.
Published: 01 September 2017
... during thermal processing steps. The thermal cycle that is used can also have a significant effect on mechanical properties. SURFACE FINISH The surface finish of metal parts produced by laser powder bed fusion (LPBF) technologies is rougher than that of a conventional casting. Finish also depends...
Journal Articles
AM&P Technical Articles (2020) 178 (6): 46–48.
Published: 01 September 2020
... powder bed fusion, also called selective laser melting (SLM) and direct metal laser sintering (DMLS); and electron beam additive manufacturing (EBAM) processes, such as electron beam powder bed fusion and directed energy deposition (DED), recurrent heating and cooling of layers has a significant effect...
Journal Articles
AM&P Technical Articles (2024) 182 (4): 14–20.
Published: 01 May 2024
..., Commun. Mater., 2(1), p 1 9, 2021. 3. B.J. Harder, et al., Steam Oxidation Performance of Yb2Si2O7 Environmental Barrier Coatings Exposed to CMAS, J. Eur. Ceram. Soc., 44(4), p 2486 2498, 2024. 4. H. Baumgartl, et al., A Deep Learning-based Model for Defect Detection in Laser-powder Bed Fusion using...
Journal Articles
AM&P Technical Articles (2018) 176 (7): 16–20.
Published: 01 October 2018
..., and thermohydrogen processing (i.e., using hydrogen as a temporary alloying element). ADDITIVE MANUFACTURING Powder bed fusion (PBF) and direct energy deposition (DED), two broad classes of AM component building, are based on the concept of slicing a solid model into multiple layers and building the component layer...
Journal Articles
AM&P Technical Articles (2019) 177 (2): 58–60.
Published: 01 February 2019
... additive manufacturing final microstructure, which impacts mechanical properties. methods for metal parts is the laser powder bed fusion pro- General heat treatment processes for DMLM parts include cess, known at GE Additive as direct metal laser melting stress relief, hot isostatic pressing (HIP...