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Influence of Homogenization and Solution Treatments Time on the Microstructure and Hardness of Inconel 718 Fabricated by Laser Powder Bed Fusion Process.

Author(s): Fayed EM, Shahriari D, Saadati M, Brailovski V, Jahazi M, Medraj M

Materials (Basel). 2020 Jun 05;13(11): Authors: Fayed EM, Shahriari D, Saadati M, Brailovski V, Jahazi M, Medraj M

Article GUID: 32516909
Multidisciplinary Design Optimization of a Novel Sandwich Beam-Based Adaptive Tuned Vibration Absorber Featuring Magnetorheological Elastomer.

Author(s): Asadi Khanouki M, Sedaghati R, Hemmatian M

Materials (Basel). 2020 May 14;13(10): Authors: Asadi Khanouki M, Sedaghati R, Hemmatian M

Article GUID: 32422988
Water Droplet Erosion of Wind Turbine Blades: Mechanics, Testing, Modeling and Future Perspectives.

Author(s): Elhadi Ibrahim M, Medraj M

Materials (Basel). 2019 Dec 31;13(1): Authors: Elhadi Ibrahim M, Medraj M

Article GUID: 31906204
Fabrication of Porous Gold Film Using Graphene Oxide as a Sacrificial Layer.

Author(s): Alazzam A, Alamoodi N, Abutayeh M, Stiharu I, Nerguizian V

Materials (Basel). 2019 Jul 18;12(14): Authors: Alazzam A, Alamoodi N, Abutayeh M, Stiharu I, Nerguizian V

Article GUID: 31323903
Fatigue Crack Growth Behavior of the MIG Welded Joint of 06Cr19Ni10 Stainless Steel.

Author(s): Tang L, Qian C, Ince A, Zheng J, Li H, Han Z

Materials (Basel). 2018 Aug 02;11(8): Authors: Tang L, Qian C, Ince A, Zheng J, Li H, Han Z

Article GUID: 30072599
Morphology of Aluminum Alloy Foams Produced with Dolomite via Partial Sintering of Precursors.

Author(s): Medina Ramirez AM, Vintila RR, Drew RAL

Materials (Basel). 2019 May 24;12(10): Authors: Medina Ramirez AM, Vintila RR, Drew RAL

Article GUID: 31137682
Counting the Photons: Determining the Absolute Storage Capacity of Persistent Phosphors.

Author(s): Van der Heggen D, Joos JJ, Rodríguez Burbano DC, Capobianco JA, Smet PF

Materials (Basel). 2017 Jul 28;10(8): Authors: Van der Heggen D, Joos JJ, Rodríguez Burbano DC, Capobianco JA, Smet PF

Article GUID: 28773228
Title:Morphology of Aluminum Alloy Foams Produced with Dolomite via Partial Sintering of Precursors.
Authors:Medina Ramirez AM,  Vintila RR,  Drew RAL
Link:https://www.ncbi.nlm.nih.gov/pubmed/31137682?dopt=Abstract
Category:Materials (Basel)
PMID:31137682
Dept Affiliation: ENCS
1 Department of Mechanical Industrial and Aerospace Engineering, Concordia University, Montreal, QC H3G 1M8, Canada. anamaria01@live.com.au.
2 Department of Mechanical Industrial and Aerospace Engineering, Concordia University, Montreal, QC H3G 1M8, Canada. ramona.vintila@mail.mcgill.ca.
3 Department of Mechanical Industrial and Aerospace Engineering, Concordia University, Montreal, QC H3G 1M8, Canada. robin.drew@concordia.ca.

Description:

Morphology of Aluminum Alloy Foams Produced with Dolomite via Partial Sintering of Precursors.

Materials (Basel). 2019 May 24;12(10):

Authors: Medina Ramirez AM, Vintila RR, Drew RAL

Abstract

Highly expanded, low-cost aluminum-based foams were successfully produced via powder metallurgy using dolomite as foaming agent. Nickel additions (5-15 wt.%) were explored in order to reduce the temperature disparity between dolomite decomposition and the melting range of the metallic matrix. Specific Al-Ni compositions provide appropriate viscosities for effective encapsulation of CO2 gas released during dolomite decomposition. A partial sintering step of compacted precursors was introduced prior to foaming, which resulted in high porosity levels (~86%) and significant volume expansion (~250%) in the final product. The partial sintering technique was a key determining factor in obtaining stable, highly expanded cellular structures with homogeneous pores, averaging 3 mm in size and being morphologically comparable with ALPORASTM foams.

PMID: 31137682 [PubMed]