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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:Multidisciplinary Design Optimization of a Novel Sandwich Beam-Based Adaptive Tuned Vibration Absorber Featuring Magnetorheological Elastomer.
Authors:Asadi Khanouki M,  Sedaghati R,  Hemmatian M
Link:https://www.ncbi.nlm.nih.gov/pubmed/32422988?dopt=Abstract
DOI:10.3390/ma13102261
Category:Materials (Basel)
PMID:32422988
Dept Affiliation: ENCS
1 Department of Mechanical, Industrial and Aerospace Engineering, Concordia University, Montreal, QC H3G 1M8, Canada.

Description:

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

Materials (Basel). 2020 May 14;13(10):

Authors: Asadi Khanouki M, Sedaghati R, Hemmatian M

Abstract

The present study aims to investigate the dynamic performance and design optimization of a novel magnetorheological elastomer based adaptive tuned vibration absorber (MRE-ATVA). The proposed MRE-ATVA consists of a light-weight sandwich beam treated with an MRE core layer and two electromagnets installed at both free ends. Three different design configurations for electromagnets are proposed. The finite element (FE) model of the proposed MRE-ATVA and magnetic model of the electromagnets are developed and combined to evaluate the frequency range of the absorber under varying magnetic field intensity. The results of the developed model are validated in multiple stages with available analytical and simulation data. A multidisciplinary design optimization strategy has been formulated to maximize the frequency range of the proposed MRE-based ATVA while respecting constraints of weight, size, mechanical stress, and sandwich beam deflection. The optimal solution is obtained and compared for the three proposed ATVA configurations. The optimal ATVA with a U-shaped electromagnet shows more than 40% increase in the natural frequency while having a total mass of 596 g.

PMID: 32422988 [PubMed]