用连续金属纤维增强的 3D 打印再生 ABS 复合材料的断裂韧性和拉伸强度，用于承重应用

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-03-26 DOI:10.1108/rpj-01-2024-0021

Vishal Mishra, Ch. Kapil Ror, S. Negi, Simanchal Kar

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引用次数: 0

摘要

设计/方法/途径使用回收的和原生的丙烯腈-丁二烯-苯乙烯共混长丝（RABS-B）以 60:40 的比例和使用后的连续黄铜丝（CBW）对连续金属纤维复合材料进行三维打印。三维打印采用了喷嘴内浸渍技术，使用的是安装了自改性喷嘴的 FFF 打印机。拉伸和 SENB 测试结果表明，与 VABS 和 RABS-B 样品相比，采用 0.7 mm 层间距 3D 打印的 RABS-B/CBW 复合材料在杨氏模量、极限拉伸强度、最大载荷伸长率和断裂韧性方面都有显著提高，分别提高了 51.47%、18.67%、107.3% 和 22.75%。社会意义这种将 CBW 与回收热塑性塑料相结合的新方法代表了材料科学的重大飞跃，可提供卓越的强度，并为要求苛刻的工程领域中先进的可持续复合材料挖掘潜力。采用这种方法有可能制造出适用于工程应用的耐用、高强度可持续复合材料，从而减少对原始材料的依赖。

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Enhanced fracture toughness and tensile strength of 3D printed recycled ABS composites reinforced with continuous metallic fiber for load-bearing application

Purpose This study aims to present an experimental approach to develop a high-strength 3D-printed recycled polymer composite reinforced with continuous metal fiber. Design/methodology/approach The continuous metal fiber composite was 3D printed using recycled and virgin acrylonitrile butadiene styrene-blended filament (RABS-B) in the ratio of 60:40 and postused continuous brass wire (CBW). The 3D printing was done using an in-nozzle impregnation technique using an FFF printer installed with a self-modified nozzle. The tensile and single-edge notch bend (SENB) test samples are fabricated to evaluate the tensile and fracture toughness properties compared with VABS and RABS-B samples. Findings The tensile and SENB tests revealed that RABS-B/CBW composite 3D printed with 0.7 mm layer spacing exhibited a notable improvement in Young’s modulus, ultimate tensile strength, elongation at maximum load and fracture toughness by 51.47%, 18.67% and 107.3% and 22.75% compared to VABS, respectively. Social implications This novel approach of integrating CBW with recycled thermoplastic represents a significant leap forward in material science, delivering superior strength and unlocking the potential for advanced, sustainable composites in demanding engineering fields. Originality/value Limited research has been conducted on the in-nozzle impregnation technique for 3D printing metal fiber-reinforced recycled thermoplastic composites. Adopting this method holds the potential to create durable and high-strength sustainable composites suitable for engineering applications, thereby diminishing dependence on virgin materials.

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico