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three-dimensional inkjetting

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
...%) The advent of three-dimensional powder printing, initially termed rapid prototyping, freeform fabrication, and now additive manufacturing, relies on binder sprayed or jetted onto a powder bed. The binders often consist of three constituents; water is the most common filler, and acrylates are a common...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
...-wattage laser beam (8 W) was able to cut the paper or sinter the plastic particles. Stacking of the layers gave the desired three-dimensional component. Now, additive manufacturing is pushing for similar extensions into metals and ceramics. Also, ideas such as rotational molding and foamed structures...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... sintered at three temperatures. Faster rates of densification (steeper slopes) are associated with shorter times and higher temperatures. Fig. 8.4 Sintered density versus particle size for zinc sulfide heated in nitrogen for 120 min at 1000 °C (1830 °F), illustrating the improved densification...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
..., thin shapes, and injection molding is applied to three-dimensional complex shapes. Slurry processes rely on a liquid filler phase, such as alcohol or water. The binder is designed to flow at low pressures at room temperature. Gelation, gum, and other natural species are the mainstay binders...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... Abstract This chapter provides details on powder-binder processing for three materials, namely precipitation-hardened 17-4 PH stainless steel, cemented carbides, and alumina. The types of powders, binders, feedstock, shaping processes, debinding, sintering cycles, compositions, microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... comb finger from a stack of three shown shorting to the ground plane is identified. Many process improvements and countermeasures have been developed to reduce stiction. One common countermeasure to stiction is the incorporation of bumps (posts, dimples, studs, bumpers, stoppers, etc...