Effect of silver morphology on rheology and photopolymerization characteristics of Silver-Hydroxyapatite slurry for Vat Photopolymerization-based 3D printing process

被引：2
|
作者：
Negi, Seema [1 ]
Bhandari, Dhruv [1 ]
Singh, Shweta [1 ]
Pareek, Shiwani [1 ]
Bhargava, Parag [1 ]
Gandhi, Prasanna S. [2 ]
机构：
[1] Indian Inst Technol, Dept Met Engn & Mat Sci, Mumbai, India
[2] Indian Inst Technol, Dept Mech Engn, Mumbai, India
来源：
MATERIALS LETTERS | 2024年 / 377卷
关键词：
Vat-photopolymerization; Hydroxyapatite; Photocurable slurry; Hydroxyapatite-silver; BONE SCAFFOLDS;
D O I：
10.1016/j.matlet.2024.137576
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work deals with the processing of HA-silver photocurable slurry to make composites using the Vatphotopolymerization process. Slurries with increasing amount of silver addition in the HA-Ag (0, 5, 10, 15%) slurry have been prepared using monomers with photo-initiators and printed successfully. Silver powder used in this study is in the form of flakes and spheres. A shear thinning behaviour of all the compositions of the slurries has been observed which is essential to fabricate defect-free parts. With increase in silver addition to 15 wt%, the viscosity decreased by around 60 % however curing depth was compromised. From SEM micrographs it was observed that HA with silver flakes showed better sintering with sintering density of 95% compared to only HA and HA with spherical silver samples.
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页数：4
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