Flow behavior of LCP melts and its influence on morphology and mechanical properties of injection molded parts

2000 ◽  
Vol 40 (7) ◽  
pp. 1643-1654 ◽  
Author(s):  
T. N. Nguyen ◽  
K. Geiger ◽  
Th. Walther
Keyword(s):  
Mechanical Properties ◽  
Flow Behavior ◽  
Molded Parts ◽  
Injection Molded ◽  
Morphology And Mechanical Properties

Deposition-induced effects of isotactic polypropylene and polycarbonate composites during fused deposition modeling

2017 ◽  
Vol 23 (5) ◽  
pp. 869-880 ◽  
Author(s):  
Ying-Guo Zhou ◽  
Bei Su ◽  
Lih-sheng Turng
Keyword(s):  
Mechanical Properties ◽  
Design Methodology ◽  
Fused Deposition Modeling ◽  
Content Type ◽  
Fused Deposition ◽  
Close Relationship ◽  
Molded Parts ◽  
Deposition Modeling ◽  
Injection Molded ◽  
First Time

Purpose Although the feasibility and effectiveness of the fused deposition modeling (FDM) method have been proposed and developed, studies of applying this technology to various materials are still needed for researching its applicability, especially with regard to polymer blends and composites. The purpose of this paper is to study the deposition-induced effect and the effect of compatibilizers on the mechanical properties of polypropylene and polycarbonate (PP/PC) composites. Design/methodology/approach For this purpose, three different deposition modes for PP/PC composites with or without compatibilizers were used for the FDM method and tested for tensile properties. Also, parts with the same materials were made by injection molding and used for comparison. In addition, different deposition speeds were used to investigate the different deposition-induced effects. Furthermore, the behavior of the mechanical properties was clarified with scanning electron microscope images of the fracture surfaces. Findings The research results suggest that the deposition orientation has a significant influence on the mechanical behavior of PP/PC composite FDM parts. The results also indicate that there is a close relationship between the mechanical properties and morphological structures which are deeply influenced by compatibilization. Compared with injection molded parts, the ductility of the FDM parts can be dramatically improved due to the formation of fibrils and micro-fibrils by the deposition induced during processing. Originality/value This is the first paper to investigate a PP/PC composite FDM process. The results of this paper verified the applicability of PP/PC composites to FDM technology. It is also the first time that the deposition-induced effect during FDM has been investigated and studied.

The morphology and mechanical properties of dynamic packing injection molded PP/PS blends

Polymer ◽  
2003 ◽  
Vol 44 (5) ◽  
pp. 1469-1480 ◽  
Author(s):  
Yong Wang ◽  
Yan Xiao ◽  
Qin Zhang ◽  
Xiao-Ling Gao ◽  
Qiang Fu
Keyword(s):  
Mechanical Properties ◽  
Injection Molded ◽  
Morphology And Mechanical Properties

Cell morphology and mechanical properties of microcellular mucell®injection molded polyetherimide and polyetherimide/fillers composite foams

2013 ◽  
Vol 130 (6) ◽  
pp. 4171-4181 ◽  
Author(s):  
Jingli Li ◽  
Zhenglun Chen ◽  
Xianzhong Wang ◽  
Tao Liu ◽  
Yufeng Zhou ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Cell Morphology ◽  
Composite Foams ◽  
Injection Molded ◽  
Morphology And Mechanical Properties

scholarly journals Polymer Composites Used in Rapid Prototyping Technology

2020 ◽  
Vol 44 (1) ◽  
pp. 15-20
Author(s):  
Katarzyna Bulanda ◽  
Mariusz Oleksy ◽  
Rafał Oliwa ◽  
Grzegorz Budzik ◽  
Tadeusz Markowski
Keyword(s):  
Mechanical Properties ◽  
3D Printing ◽  
Fused Deposition Modeling ◽  
New Materials ◽  
Fused Deposition ◽  
The Matrix ◽  
Molded Parts ◽  
Deposition Modeling ◽  
Injection Molded ◽  
The Impact

AbstractNew materials and filaments dedicated to 3D printing were obtained using the fused deposition modeling method, and the properties of the produced materials were investigated. Polylactide was used as a polymer base for the assays because of the desired properties of the polymer, mainly biodegradability, and the matrix was refilled by the addition of metallic nanofillers, such as bronze, copper, brass, and steel. For the composites obtained, mechanical properties were investigated to determine the dependence of the obtained results on the content and type of filler used and on the method of fabrication of the fittings. It was found that the additives present in the polymer matrix increased the fluidity of the material. The best results were obtained for the compositions with bronze and steel in which the mass flow rate was 72.97 and 79.99 g/10 min, respectively. The filled material that had lower hardness was measured by Rockwell and the impact strength was measured by Charpy. In addition, it was found that injection-molded parts obtained much better mechanical properties than those obtained by 3D printing.

Morphology and mechanical properties of micro injection molded polyoxymethylene tensile rods

2019 ◽  
Vol 80 ◽  
pp. 106078 ◽  
Author(s):  
Matthieu Fischer ◽  
Pascal Pöhlmann ◽  
Ines Kühnert
Keyword(s):  
Mechanical Properties ◽  
Injection Molded ◽  
Morphology And Mechanical Properties

Effect of the impact conditions on the mechanical properties of injection-molded parts

2012 ◽  
Vol 52 (9) ◽  
pp. 1845-1853 ◽  
Author(s):  
Carlos N. Barbosa ◽  
Júlio C. Viana ◽  
Markus Franzen ◽  
Ricardo Simoes
Keyword(s):  
Mechanical Properties ◽  
Molded Parts ◽  
Injection Molded ◽  
The Impact

Interfacial Effects on the Mechanical Properties of GF/PP Injection Molded Composites

1998 ◽  
Vol 7 (1) ◽  
pp. 096369359800700 ◽  
Author(s):  
A. Eggert ◽  
R. Walter ◽  
H. Hamada ◽  
K. Friedrich
Keyword(s):  
Mechanical Properties ◽  
Fatigue Behavior ◽  
Interfacial Strength ◽  
Extrusion Process ◽  
Surface Treatments ◽  
Basic Material ◽  
Interfacial Effects ◽  
Molded Parts ◽  
Injection Molded ◽  
Short Glass

The mechanical properties of short glass fiber (GF) reinforced Polypropylene (PP) injection molded parts with various surface treatments and different compounding methods were investigated in this study. The effects of the different surface treatments on the interfacial strength as well as the influence of the pre-molding compounding process and its parameters on the composites' characteristics were determined. Next to basic material properties a focus was laid on fracture toughness and fatigue behavior. A clear recommendation as to kind of the extrusion process could be established and the interfacial effects on the overall mechanical properties of the tested materials could be assessed.

Sign in / Sign up

Export Citation Format

Share Document