Additive Manufacturing, Structural Materials Design and Mechanical Engineering

A special issue of Designs (ISSN 2411-9660). This special issue belongs to the section "Smart Manufacturing System Design".

Deadline for manuscript submissions: closed (23 April 2024) | Viewed by 614

Special Issue Editors


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Guest Editor
Institute of Mechanics and Printing, Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, 02-524 Warsaw, Poland
Interests: structural engineering; materials engineering; additive manufacturing in protective structures

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Guest Editor
Military Institute of Armament Technology, 05-220 Zielonka, Poland
Interests: numerical simulations; material modeling; experimental mechanics

Special Issue Information

Dear Colleagues,

In recent years, intensive research has been conducted on new structural materials. They have attracted particular attention because of their favorable properties, including low mass and high strength. Additionally, the dynamic development of new manufacturing technologies, such as additive manufacturing, provides new opportunities in the field of protective structures. This has been further advanced by the global circular economy that stresses the importance of materials in the production process.

Therefore, the main aim of this Special Issue is to publish scientific papers covering the recent problems related to structural materials research and additive manufacturing, including the following:

  • Experimental testing;
  • Structures under quasi-static and dynamic conditions;
  • Numerical modeling and simulation verified by experimental tests;
  • Laboratory studies of structure materials.

The purpose of this Special Issue and the subject matter of the scope of the journal are formulated as:

  • Material tests and simulations;
  • Structural materials design;
  • Materials engineering.

Hopefully, the presented Special Issue will receive many excellent papers covering the aforementioned topics. Ultimately, it will become a useful source of data and knowledge for scientists working in a similar field.

We look forward to receiving your contributions.

Dr. Mariusz Magier
Dr. Paweł Żochowski
Guest Editors

Manuscript Submission Information

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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. Designs is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). 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

  • energy absorption
  • numerical simulations
  • materials engineering
  • dynamic behavior of materials
  • fracture mechanics
  • structural materials design
  • additive manufacturing

Published Papers (1 paper)

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Research

15 pages, 16558 KiB  
Article
Investigation on the Microstructure and Micro-Mechanical Properties of Thermal-Sprayed NiCoCrAlY High Entropy Alloy Coating
by Animesh Kumar Basak, Nachimuthu Radhika, Chander Prakash and Alokesh Pramanik
Designs 2024, 8(2), 37; https://doi.org/10.3390/designs8020037 - 20 Apr 2024
Viewed by 324
Abstract
NiCoCrAlY high entropy alloy (HEA) coating (47.1 wt.% Ni, 23 wt.% Co, 17 wt.% Cr, 12.5 wt.% Al, and 0.4 wt.% Y) was deposited on a stainless steel subtract by atmospheric plasma spraying (APS). The as-deposited coating was about 300 μm thickness with [...] Read more.
NiCoCrAlY high entropy alloy (HEA) coating (47.1 wt.% Ni, 23 wt.% Co, 17 wt.% Cr, 12.5 wt.% Al, and 0.4 wt.% Y) was deposited on a stainless steel subtract by atmospheric plasma spraying (APS). The as-deposited coating was about 300 μm thickness with <1% porosity. The microstructure of the coating consisted of dispersed secondary phases/intermetallics in the solid solution. The stress–strain behaviour of this coating was investigated in micro-scale with the help of in situ micro-pillar compression. The experimental results show that yield and compressive stress in the cross-section of the coating was higher (1.27 ± 0.10 MPa and 2.19 ± 0.10 GPa, respectively) than that of the planar direction (0.85 ± 0.09 MPa and 1.20 ± 0.08 GPa, respectively). The various secondary/intermetallic phases (γ′–Ni3Al, β–NiAl) that were present in the coating microstructure hinder the lattice movement during compression, according to Orowan mechanism. In addition to that, the direction of the loading to that of the orientation of the phase/splat boundaries dictate the crack propagation architecture, which results in difference in the micro-mechanical properties. Full article
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