Matches in SemOpenAlex for { <https://semopenalex.org/work/W3039390720> ?p ?o ?g. }
- W3039390720 endingPage "769" @default.
- W3039390720 startingPage "758" @default.
- W3039390720 abstract "Selective laser melting (SLM) is a new three-dimensional printing technology capable of directly manufacturing metal end products and near-end products. Currently, the processing of nickel (Ni)-based alloy powders by SLM technology has not been reported yet. Considering this, this paper lays the foundation for developing relevant SLM technology by experimenting with GH4169 nickel-based alloy powders using an LWY400P laser. The paper deals primarily with single-layer, single-path and single-layer, multipath scan processes in order to explore the mechanisms of the effects of laser process parameters (e.g. current, frequency, pulse width, scan speed and scan spacing) on the formability of GH4169 nickel-based alloy powders. Process optimization was carried out as well. The optimized SLM process involved a parameter group comprising a 140 A laser current, a 150 mm/min scan speed, a 0.35 mm scan spacing, a 5.5 ms pulse width, a 12 Hz frequency and a 0.15 mm coating thickness. Under the optimized parameter group, a 427 HV microhardness was observed. Meanwhile, the formed products had a basically flat surface, a uniform microstructure and a high density." @default.
- W3039390720 created "2020-07-10" @default.
- W3039390720 creator A5002791903 @default.
- W3039390720 creator A5008061089 @default.
- W3039390720 creator A5027163939 @default.
- W3039390720 creator A5029803339 @default.
- W3039390720 creator A5042166339 @default.
- W3039390720 creator A5044706090 @default.
- W3039390720 creator A5058039364 @default.
- W3039390720 creator A5059485931 @default.
- W3039390720 creator A5081294942 @default.
- W3039390720 date "2020-09-01" @default.
- W3039390720 modified "2023-09-27" @default.
- W3039390720 title "Formability and hardness studies of selective laser melting of GH4169 Ni-based alloy powders" @default.
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