2017
DOI: 10.1016/j.addma.2017.03.011
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Strengthening of ferrous binder jet 3D printed components through bronze infiltration

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Cited by 39 publications
(18 citation statements)
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“…For the stainless steel materials, a low melting material such as bronze is used as an infiltrant which can fill the open pores of the printed powder to improve the final density [4,26]. Cordero et al [105] manufactured ferrous powder via BJ using molten bronze as infiltrant and reported that infiltration could improve the strength of the sintered component by eliminating the stress concentration points at interparticle necks as shown in Figure 13…”
Section: Infiltrationmentioning
confidence: 99%
See 1 more Smart Citation
“…For the stainless steel materials, a low melting material such as bronze is used as an infiltrant which can fill the open pores of the printed powder to improve the final density [4,26]. Cordero et al [105] manufactured ferrous powder via BJ using molten bronze as infiltrant and reported that infiltration could improve the strength of the sintered component by eliminating the stress concentration points at interparticle necks as shown in Figure 13…”
Section: Infiltrationmentioning
confidence: 99%
“…Process. 2019, 3, x FOR PEER REVIEW 16 of Backscatter electron micrograph of the infiltrated ferrous material with bronze infiltrant[105].…”
mentioning
confidence: 99%
“…No need to design nor use supports Limited success in producing metallic parts Unused powder can be reused Worse mechanical properties than powder bed fusion processes Wide range of materials Low density Fast process Large build size Requirement of post processing (sintering/infiltration) Although this technique is mainly used for ceramic materials, for example to obtain sand molds and cores in the sand casting process [27], it is also employed for metal matrices [28]. For example, iron parts with enhanced strength are obtained by means of bronze infiltration [29]. However, the high density of metals makes them less stable than other materials, and the fine particles can be prone to oxidation [26].…”
Section: Advantages Disadvantagesmentioning
confidence: 99%
“…The binder is removed by burning it off and the part is sintered and later for most of the cases, a second sintering is done at around 80% of the melt temperature for a denser part. In some cases of ferrous alloys, to create a fully dense part, a liquid metal such as bronze is used as infiltrators [3]. The thermal stresses generated during the process are not so high leading to producibility of large metal parts.…”
Section: Fig 1 Schematic Of Materials Extrusion Printing Process 1) Hmentioning
confidence: 99%