Advanced Materials Science and Technology

Advanced Materials Science and Technology (Print ISSN: 2717-526X  Online ISSN: 2810-9155) is a peer-reviewed open access journal published semi-annual by Omniscient Pte. Ltd. The journal covers the properties, applications and synthesis of new materials related to energy, environment, physics, chemistry, engineering, biology and medicine, including ceramics, polymers, biological, medical and composite materials and so on. Original article, Review, Report and Communication are encouraged. Advanced Materials Science and Technology aims to disseminate the latest progress in advanced materials such as nanomaterials, carbon-based materials, organic optoelectronic materials, metallic materials and functional materials and to promote the understanding of the use of materials in energy, environment, physics, chemistry, engineering, biology and medicine. This journal will be useful for professionals in the various branches of materials science and for students and academic staff concerned with the related specialties.

  • Influence of the Addition of Niobium Pentoxide on the Structural Properties of Hydroxyapatite

    José Adauto da Cruz, Rogério Ribeiro Pezarini, Stephen Rathinaraj Benjamin, Rogério Ribeiro Pezarini, Paulo Maria de Oliveira Silva, Antonio Jefferson Mangueira Sales, Fernandes GraçaManuel Pedro

    The study focused on investigating the properties of composites made from natural hydroxyapatite (HAp, Ca10(PO4)6(OH)2) sourced from tilapia fish bones (Oreochromis niloticus) and niobium pentoxide (PNb, Nb2O5). The effects of PNb concentration and sintering temperature were examined. Composites were created using a constant pressure of 450 MPa following the formula (100-x)HAp + (x)PNb, with x varying in increments of 10%, and then sintered at temperatures ranging from 700 to 1300 °C. X-ray diffraction (XRD) analysis showed the formation of new phases based on the PNb concentration and temperature. Rietveld refinement confirmed a strong fit with experimental data, supporting the accuracy of the model parameters. Fourier Transform Infrared Spectroscopy with Photoacoustic Detection (FTIR-PAS) revealed the disappearance of the OH- functional group at 3572 cm-¹. Raman spectroscopy results were consistent with XRD findings. Scanning Electron Microscopy (SEM) showed complex microstructures influenced by composition, sintering temperature, and phase interactions, with liquid-phase sintering contributing to microstructural changes. Energy Dispersive X-ray Spectroscopy (EDS) provided semiquantitative analysis, detecting the primary elements Ca, P, and Nb, along with smaller amounts of Mg and Na. The Vickers Hardness (VH) measurements indicated that PNb concentration significantly affects the mechanical properties of the composite. The study suggests that HAp/PNb composites, influenced by temperature and PNb concentration, hold great potential for use in orthopedic and dental biomaterials.

    PDF
Honorary Editor-in-Chief

Scott X. Mao

Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, USA.

Editor-in-Chief

Zan Huang

Guangzhou Maritime University / Guangzhou Jiaotong University（preparatory)

All publications

Database Indexing