scholarly journals Facile preparation of high loading filled PVDF/BaTiO3 piezoelectric composites for selective laser sintering 3D printing

RSC Advances ◽  
2021 ◽  
Vol 11 (60) ◽  
pp. 37923-37931
Author(s):  
Shiping Song ◽  
Yijun Li ◽  
Qi Wang ◽  
Chuhong Zhang

A novel PVDF/BaTiO3 cymbal part with excellent piezoelectric properties and responsiveness is designed and manufactured by selective laser sintering 3D printing technology.

2021 ◽  
Vol 338 ◽  
pp. 01017
Author(s):  
Rafael Miozga ◽  
Marta Kurek

The paper reported the results of a study concerned with the principle of operation of the 3D printing technology using the method of selective sintering of metallic powders, and taking into account their advantages and drawbacks. The principle of the operation of 3D printing technology applying the DMLS (Direct Metal Laser Sintering) method is presented. On the basis of the performed tests, the anisotropy of the printed materials is demonstrated. The reasons responsible for this phenomenon are identified. The paper presents the results of the strength tests which indicate that the crack during the test occur in the building direction of the layers during printing. The results were compiled for two different types of specimens and two different testing machines.


2019 ◽  
Vol 25 (9) ◽  
pp. 937-945 ◽  
Author(s):  
Anish Chandekar ◽  
Dinesh K. Mishra ◽  
Sanjay Sharma ◽  
Gaurav K. Saraogi ◽  
Umesh Gupta ◽  
...  

The global market of pharmaceuticals has witnessed a new revolution recently in the form of threedimensional printing (3D) technology. 3D printing has its existence since the 1980s that uses a 3D printer to manufacture the different dosage forms through computer-aided drug design technology. The need for 3D printing is due to numerous advantages like personalized medicine, tailored doses, rapid disintegration in case of SLS technique, incorporation of high doses and taste masking capacity. The different techniques used in 3D printing are Powder based (PB), Semi-solid extrusion (EXT), Fused deposition modeling (FDM), Stereolithographic (SLA) and Selective laser sintering (SLS) 3D printing. However, from the latest reports of association of pharmaceutical 3D printing technology, it is evidenced that this technology is still in its infancy and its potential is yet to be fully explored. The present review includes sections for introduction and scope of 3D printing, personalized medicines and their approaches, historical aspects, research milestones, and various 3D printing techniques.


Author(s):  
Mohd Nazri Ahmad ◽  
Ahmad Afiq Tarmeze ◽  
Amir Hamzah Abdul Rasib

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