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Open AccessArticle

Environmentally Efficient 316L Stainless Steel Feedstocks for Powder Injection Molding

1
Department of Production Engineering, Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 275, 760 01 Zlin, Czech Republic
2
Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, nam. T.G. Masaryka 5555, 760 01 Zlin, Czech Republic
*
Author to whom correspondence should be addressed.
Polymers 2020, 12(6), 1296; https://doi.org/10.3390/polym12061296
Received: 20 April 2020 / Revised: 31 May 2020 / Accepted: 2 June 2020 / Published: 5 June 2020
(This article belongs to the Special Issue Advances on Injection Molding of Polymers)
In this study, environmentally convenient highly metal powder filled feedstocks intended for powder injection molding is presented. The composition of 60 vol % 316L stainless steel gas atomized powder feedstocks containing semicrystalline waxes: acrawax or carnauba wax and paraffin wax, combined with polyethylene glycol and modifier, was optimized to provide defect-free parts. Rheological as well as thermogravimetric analyses supported with scanning electron microscopy and metallography were employed to set up optimum conditions for molding, debinding and sintering. The performance of the novel feedstock was compared with currently available polyolefines-based materials, and results showed an efficiency enhancement due to the substantially lower (about 100 °C) mixing and molding temperatures as well as a reduction of debinding and sintering times at the simultaneous achievement of better mechanical properties in terms of elongation and tensile strength, in comparison to the mass production feedstock. View Full-Text
Keywords: powder injection molding; processability; feedstock; wax binder; 316L stainless steel powder powder injection molding; processability; feedstock; wax binder; 316L stainless steel powder
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MDPI and ACS Style

Hausnerova, B.; Novak, M. Environmentally Efficient 316L Stainless Steel Feedstocks for Powder Injection Molding. Polymers 2020, 12, 1296. https://doi.org/10.3390/polym12061296

AMA Style

Hausnerova B, Novak M. Environmentally Efficient 316L Stainless Steel Feedstocks for Powder Injection Molding. Polymers. 2020; 12(6):1296. https://doi.org/10.3390/polym12061296

Chicago/Turabian Style

Hausnerova, Berenika; Novak, Martin. 2020. "Environmentally Efficient 316L Stainless Steel Feedstocks for Powder Injection Molding" Polymers 12, no. 6: 1296. https://doi.org/10.3390/polym12061296

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