Introducing Hatch Spacing into Deposited Energy Density toward Efficient Optimization of Laser Powder Bed Fusion Process Parameters Article Swipe
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.2320/jinstmet.ja202401
The optimization of processing parameters is indispensable for the laser powder bed fusion (L-PBF) process. The deposited energy density (DED) is one of the process indexes for the L-PBF process and has a simplified formula of P·v-0.5, where P is the laser power, and v is the scan speed. This parameter describes the change in the relative density and the melt pool morphology with laser power and scan speed well, whereas it does not include the effect of other processing parameters, e.g., hatch spacing (S). In the present study, an attempt was made to incorporate the effect of S into DED. Al-12Si (mass%) alloy cube samples were fabricated by L-PBF under various P, v, and S, for evaluating the relative density and the melt pool morphology. The melt pool depth and width of L-PBF-manufactured Al-12Si alloy increased linearly with P·v-0.5 and did not exhibit a clear correlation with S. Based on the experimental observation, the effect of hatch spacing on DED was estimated to be S-0.5, and a new index of P·v-0.5·S-0.5 was proposed. This index described the change in the relative density of the L-PBF-manufactured Al-12Si alloy with laser conditions (P, v, and S) well when the thermal conduction mode melting was dominant. This study also indicated the limitation of the applicability of P·v-0.5·S-0.5 under the keyhole or transition mode melting.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.2320/jinstmet.ja202401
- https://www.jstage.jst.go.jp/article/jinstmet/advpub/0/advpub_JA202401/_pdf
- OA Status
- diamond
- References
- 34
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4394939894
Raw OpenAlex JSON
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https://openalex.org/W4394939894Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.2320/jinstmet.ja202401Digital Object Identifier
- Title
-
Introducing Hatch Spacing into Deposited Energy Density toward Efficient Optimization of Laser Powder Bed Fusion Process ParametersWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-04-18Full publication date if available
- Authors
-
Mai Kunieda, Asuka Suzuki, Naoki Takata, Masaki Kato, Makoto KobashiList of authors in order
- Landing page
-
https://doi.org/10.2320/jinstmet.ja202401Publisher landing page
- PDF URL
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https://www.jstage.jst.go.jp/article/jinstmet/advpub/0/advpub_JA202401/_pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
- OA URL
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https://www.jstage.jst.go.jp/article/jinstmet/advpub/0/advpub_JA202401/_pdfDirect OA link when available
- Concepts
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Materials science, Computer scienceTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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34Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.simplified | 33 |
| abstract_inverted_index.transition | 219 |
| abstract_inverted_index.correlation | 146 |
| abstract_inverted_index.incorporate | 94 |
| abstract_inverted_index.morphology. | 125 |
| abstract_inverted_index.parameters, | 80 |
| abstract_inverted_index.experimental | 152 |
| abstract_inverted_index.observation, | 153 |
| abstract_inverted_index.optimization | 1 |
| abstract_inverted_index.applicability | 212 |
| abstract_inverted_index.indispensable | 6 |
| abstract_inverted_index.P·v-0.5·S-0.5 | 171, 214 |
| abstract_inverted_index.L-PBF-manufactured | 133, 185 |
| cited_by_percentile_year | |
| corresponding_author_ids | https://openalex.org/A5045604872 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 5 |
| corresponding_institution_ids | https://openalex.org/I4210122206, https://openalex.org/I60134161 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/7 |
| sustainable_development_goals[0].score | 0.8600000143051147 |
| sustainable_development_goals[0].display_name | Affordable and clean energy |
| citation_normalized_percentile |