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Applied Mechanics, Volume 5, Issue 3

2024 September - 12 articles

Cover Story: In the field of structural engineering, additively manufactured materials enable the realisation of complex geometries. In addition, the example of laser powder bed fusion (LPBF)-manufactured aluminium alloys demonstrate that a comparable mechanical behaviour to conventionally manufactured materials can be achieved. The manufacturing process results in an inhomogeneous microstructure that is characterised by pores. The present work applies a coupled thermomechanical Chaboche–Gurson–Tvergaard–Needleman model for a numerical description of the material behaviour of the LPBF materials and implements it with a User Material Subroutine (UMAT) in the FE program, Abaqus. This numerical approach allows for the description of rate-dependent material behaviour under the consideration of damage mechanisms and defines the objective of the published research topic. View this paper
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Articles (12)

  • Article
  • Open Access
2,181 Views
15 Pages

Experimental Study of the Stress State of a Polymer Composite in a State of Compression

  • Anatoliy Ishchenko,
  • Volodymyr Kravchenko,
  • Artem Arustamian,
  • Dmytro Rassokhin,
  • Dimitrij Seibert,
  • Olena Nosovska,
  • Robert Böhm and
  • Stanislav Kapustin

10 September 2024

Long-term operation of the supporting surfaces of large-sized parts, in particular tubular units of thermal power plants, leads to the destruction of the contact surfaces. Moisture penetrates into the formed discontinuities, and the vibrations presen...

  • Article
  • Open Access
5 Citations
2,757 Views
19 Pages

Multi-Objective Optimization Design of Porous Gas Journal Bearing Considering the Fluid–Structure Interaction Effect

  • Azael Duran-Castillo,
  • Juan Carlos Jauregui-Correa,
  • Juan Primo Benítez-Rangel,
  • Aurelio Dominguez-Gonzalez and
  • Oscar Cesar De Santiago

4 September 2024

The performance of the porous gas bearing depends on the geometric characteristics, material, fluid properties, and the properties of the porous media, which is a restrictor that controls the gas flow. Its application in industrial environments must...

  • Review
  • Open Access
3 Citations
1,828 Views
22 Pages

31 August 2024

This research seeks to solve the multi-faceted problem of waste disposal by analysing the application of waste plastic and tyre material within non-structural concrete to ensure more sustainability and less environmental degradation. The study focuss...

  • Article
  • Open Access
7 Citations
2,835 Views
16 Pages

27 August 2024

In recent years, driver assistance systems in cars, buses, and trucks have become more common and powerful. In particular, the introduction of AI methods to sensors, signal fusion, and traffic recognition allows us to step forward from actual level-2...

  • Article
  • Open Access
1 Citations
1,879 Views
10 Pages

Influence of Preheating Self-Adhesive Cements on the Degree of Conversion, Cell Migration, and Cell Viability

  • Henrique Cantarelli,
  • Fernando Antonio Costa Xavier,
  • Fernando Freitas Portella,
  • Keiichi Hosaka,
  • Eduardo Galia Reston,
  • Louis Hardan,
  • Rim Bourgi and
  • Celso Afonso Klein-Junior

20 August 2024

Enhancing the degree of polymerization can mitigate the cytotoxic effects of resinous materials, as residual monomers have been identified as a significant contributor to cytotoxicity. Hence, the aim of the current research was to evaluate the influe...

  • Article
  • Open Access
1 Citations
2,016 Views
20 Pages

Thermomechanical Analysis of PBF-LB/M AlSi7Mg0.6 with Respect to Rate-Dependent Material Behaviour and Damage Effects

  • Lukas Richter,
  • Irina Smolina,
  • Andrzej Pawlak,
  • Daniela Schob,
  • Robert Roszak,
  • Philipp Maasch and
  • Matthias Ziegenhorn

9 August 2024

This paper describes the self-heating effects resulting from mechanical deformation in the additively manufactured aluminium alloy AlSi7Mg0.6. The material’s self-heating effect results from irreversible changes in the material’s microstr...

  • Article
  • Open Access
2,521 Views
20 Pages

17 July 2024

Aluminium alloys are used for the fabrication of the fuel clad of research-grade nuclear reactors as well as for several types of core components of high-flux research reactors. In order to carry out design and safety analysis of these components, th...

  • Article
  • Open Access
1 Citations
2,222 Views
23 Pages

16 July 2024

Due to its significant non-linear softening characteristics and its wide variety of use cases, concrete has received considerable attention for the modeling of its mechanical behavior. The non-linear simulation of linear concrete structures is often...

  • Article
  • Open Access
3 Citations
1,799 Views
15 Pages

14 July 2024

By means of relaxation methods, residual stresses can be obtained by introducing a progressive cut or a hole in a specimen and by measuring and elaborating the strains or displacements that are consequently produced. If the cut can be considered a co...

  • Article
  • Open Access
2 Citations
2,288 Views
25 Pages

11 July 2024

Laser additive manufacturing with mixed powders of aluminum alloy and silicon carbide (SiC) or boron carbide (B4C) is investigated in this experiment. With various mixing ratios of SiC/Al to form metal matrix composites (MMC), their mechanical and ph...

  • Review
  • Open Access
25 Citations
7,689 Views
30 Pages

Residual Stresses in Wire Arc Additive Manufacturing Products and Their Measurement Techniques: A Systematic Review

  • Fakada Dabalo Gurmesa,
  • Hirpa Gelgele Lemu,
  • Yosef Wakjira Adugna and
  • Mesfin Demise Harsibo

10 July 2024

This literature review provides an in-depth exploration of the research conducted on residual stresses (RS) in Wire Arc Additive Manufacturing (WAAM) products, particularly focusing on how process parameters influence the phenomenon. The motivation o...

  • Article
  • Open Access
15 Citations
2,318 Views
15 Pages

Resilient and Sustainable Structures through EMI-Based SHM Evaluation of an Innovative C-FRP Rope Strengthening Technique

  • Nikos A. Papadopoulos,
  • Maria C. Naoum,
  • George M. Sapidis and
  • Constantin E. Chalioris

21 June 2024

Reinforced Concrete (RC) members in existing RC structures are susceptible to shear-critical due to their under-reinforced design. Thus, implementing a retrofitting technique is essential to eliminate the casualties that could arise from sudden and c...

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Appl. Mech. - ISSN 2673-3161