3D extrusion printing of 304 stainless steel/polypropylene composites and sintering process optimization

Teng Xu; Fei Long; Yongqi Liang; Haiqing Zhang; Shaoqi Shi; Yuchuan Cheng; Gaojie Xu; Zhixiang Li; Yaqiong Ge

doi:10.1007/s00339-023-06470-y

3D extrusion printing of 304 stainless steel/polypropylene composites and sintering process optimization

Teng Xu, Fei Long, Yongqi Liang, Haiqing Zhang, Shaoqi Shi, Yuchuan Cheng, Gaojie Xu, Zhixiang Li, Yaqiong Ge

Department of Mechanical, Materials and Manufacturing Engineering

Research output: Journal Publication › Article › peer-review

2 Citations (Scopus)

Abstract

Screw extrusion 3D printing in the low-cost preparation of high-quality metal products, which offers an edge over fused deposition molding (FDM) and laser-based additive manufacturing. In this study, spherical 304 stainless steel (SS304) micronized powder and polypropylene (PP) pellets were used as raw materials to manufacture composite samples of SS304 with a mass fraction of up to 90 wt%. After high-temperature heat treatment, metal samples with good qualities were obtained. The influence of 3D printing paths and heat treatment processes on the microstructure and mechanical properties of printed parts were studied. The results reveal that the samples printed using 27°/152° cross paths achieved a relative density with 95.78% and a tensile strength with 484 MPa after 6 h of sintering at 1280 °C at a pre-debinding rate with 60%. The overall performance is on par with components created using metal injection techniques (MIM), and this work provides the novel proposals for the production of metal parts using affordable 3D printing.

Original language	English
Article number	285
Journal	Applied Physics A: Materials Science and Processing
Volume	129
Issue number	4
DOIs	https://doi.org/10.1007/s00339-023-06470-y
Publication status	Published - Apr 2023

Keywords

Pre-debinding
Screw extrusion additive manufacturing
Sintering

ASJC Scopus subject areas

General Chemistry
General Materials Science

Access to Document

10.1007/s00339-023-06470-y

Cite this

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title = "3D extrusion printing of 304 stainless steel/polypropylene composites and sintering process optimization",

abstract = "Screw extrusion 3D printing in the low-cost preparation of high-quality metal products, which offers an edge over fused deposition molding (FDM) and laser-based additive manufacturing. In this study, spherical 304 stainless steel (SS304) micronized powder and polypropylene (PP) pellets were used as raw materials to manufacture composite samples of SS304 with a mass fraction of up to 90 wt%. After high-temperature heat treatment, metal samples with good qualities were obtained. The influence of 3D printing paths and heat treatment processes on the microstructure and mechanical properties of printed parts were studied. The results reveal that the samples printed using 27°/152° cross paths achieved a relative density with 95.78% and a tensile strength with 484 MPa after 6 h of sintering at 1280 °C at a pre-debinding rate with 60%. The overall performance is on par with components created using metal injection techniques (MIM), and this work provides the novel proposals for the production of metal parts using affordable 3D printing.",

keywords = "Pre-debinding, Screw extrusion additive manufacturing, Sintering",

author = "Teng Xu and Fei Long and Yongqi Liang and Haiqing Zhang and Shaoqi Shi and Yuchuan Cheng and Gaojie Xu and Zhixiang Li and Yaqiong Ge",

note = "Funding Information: This work was supported by the National Key Research and Development Project under Grant No. 2021YFB3701500, the Science and Technology Service Network Initiative of Chinese Academy of Sciences under Grant No. KFJ-STS-QYZD-2021-10-002, and the Zhejiang Provincial Natural Science Foundation of China under Grant No. LZ22E030003. Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.",

year = "2023",

month = apr,

doi = "10.1007/s00339-023-06470-y",

language = "English",

volume = "129",

journal = "Applied Physics A: Materials Science and Processing",

issn = "0947-8396",

publisher = "Springer Heidelberg",

number = "4",

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TY - JOUR

T1 - 3D extrusion printing of 304 stainless steel/polypropylene composites and sintering process optimization

AU - Xu, Teng

AU - Long, Fei

AU - Liang, Yongqi

AU - Zhang, Haiqing

AU - Shi, Shaoqi

AU - Cheng, Yuchuan

AU - Xu, Gaojie

AU - Li, Zhixiang

AU - Ge, Yaqiong

N1 - Funding Information: This work was supported by the National Key Research and Development Project under Grant No. 2021YFB3701500, the Science and Technology Service Network Initiative of Chinese Academy of Sciences under Grant No. KFJ-STS-QYZD-2021-10-002, and the Zhejiang Provincial Natural Science Foundation of China under Grant No. LZ22E030003. Publisher Copyright: © 2023, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

PY - 2023/4

Y1 - 2023/4

N2 - Screw extrusion 3D printing in the low-cost preparation of high-quality metal products, which offers an edge over fused deposition molding (FDM) and laser-based additive manufacturing. In this study, spherical 304 stainless steel (SS304) micronized powder and polypropylene (PP) pellets were used as raw materials to manufacture composite samples of SS304 with a mass fraction of up to 90 wt%. After high-temperature heat treatment, metal samples with good qualities were obtained. The influence of 3D printing paths and heat treatment processes on the microstructure and mechanical properties of printed parts were studied. The results reveal that the samples printed using 27°/152° cross paths achieved a relative density with 95.78% and a tensile strength with 484 MPa after 6 h of sintering at 1280 °C at a pre-debinding rate with 60%. The overall performance is on par with components created using metal injection techniques (MIM), and this work provides the novel proposals for the production of metal parts using affordable 3D printing.

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