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State-of-the-Art Materials Science in Canada
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State-of-the-Art Materials Science in Canada

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2109

Special Issue Editor

Dr. Mihriban O. Pekguleryuz

E-Mail Website
Guest Editor
Department of Mining and Materials Engineering, McGill University Montreal, Montreal, QC H3A 2B2, Canada
Interests: light metals; aluminum, magnesium; alloy development; biodegradable magnesium implants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of the International Journal of Molecular Sciences (IJMS) aims to rapidly publish contributions on the synthesis, properties’ characterization and application of all aspects of materials with a focus on biological or molecular research. Topics include, without being limited to:

  • Biomaterials
  • Nanomaterials
  • Structural Materials
  • Functional/Sensor Materials
  • Advanced/Nuclear Materials
  • Polymers/Composites
  • Self-Assembly/Macromolecular Materials
  • Optoelectronic/Magnetic Materials
  • Soft Materials
  • Biological Materials
  • Non-covalent Interactions

Dr. Mihriban O. Pekguleryuz
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biomaterials
  • nanomaterials
  • structural materials
  • functional/sensor materials
  • advanced/nuclear materials
  • polymers/composites
  • self-assembly/macromolecular materials
  • optoelectronic/magnetic materials
  • soft materials
  • biological materials
  • non-covalent interactions

Published Papers (1 paper)

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Research

23 pages, 7417 KiB  
Article
Fabrication of Ni-Rich 58NiTi and 60NiTi from Elementally Blended Ni and Ti Powders by a Laser Powder Bed Fusion Technique: Their Printing, Homogenization and Densification
by Khashayar Khanlari, Qi Shi, Kefeng Li, Ke Hu, Chong Tan, Wen Zhang, Peng Cao, Inès Esma Achouri and Xin Liu
Int. J. Mol. Sci. 2022, 23(16), 9495; https://doi.org/10.3390/ijms23169495 - 22 Aug 2022
Cited by 2 | Viewed by 1653
Abstract
Compared to the equiatomic or near-equiatomic NiTinol alloys, Ni-rich NiTi alloys are suitable to be employed in structural applications as they exhibit higher hardness and are dimensionally stable. This research aimed to process two different grades of Ni-rich NiTi alloys, 58NiTi and 60NiTi, [...] Read more.
Compared to the equiatomic or near-equiatomic NiTinol alloys, Ni-rich NiTi alloys are suitable to be employed in structural applications as they exhibit higher hardness and are dimensionally stable. This research aimed to process two different grades of Ni-rich NiTi alloys, 58NiTi and 60NiTi, from Ni–Ti powder mixtures having about 58 wt.% and 60 wt.% Ni, respectively. This was performed by a laser powder bed fusion technique. At the first stage of this research, the printability of the used powder mixtures was investigated by applying different sets of printing parameters. Two appropriate sets were then selected to print the samples. Microstructural study of the printed parts revealed the existence of inhomogeneity in the microstructures. In addition, depending on the applied set of parameters, some amounts of cracks and pores were also present in the microstructure of these parts. Postprinting hot isostatic pressing procedures, performed at different temperatures, were developed to cause the reaction of phases, homogenize the parts, and possibly eliminate the existing flaws from the samples. Effects of these applied treatments on the microstructure, phase composition, density, dimensional integrity, and hardness of parts were sequentially studied. In essence, 58NiTi and 60NiTi parts having phase compositions complying with those of the equilibrium phase diagram were obtained in this research. However, the mentioned cracks and pores, formed in the microstructure of as-printed parts, could not be fully removed by postprocessing treatments. Full article
(This article belongs to the Special Issue State-of-the-Art Materials Science in Canada)
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