Physical Sciences Forum, Volume 4, Issue 1

In submitting conference proceedings to Physical Sciences Forum, the volume editors of the proceedings certify to the publisher that all papers published in this volume have been subjected to peer review administered by the volume editors [...]

This paper presents a comprehensive study of the influence of various composite structure characteristics, such as stacking sequences and fiber orientations, on the dynamic behavior of glass fiber reinforced composite (GFRC) plates for modeling isola...

Relevant examples of the application of innovative measuring devices of NNT Company in the area of non-destructive assessment of the stress state of steel components using the Barkhausen effect are presented here. We have developed two innovative dev...

Laboratory tests were performed on the Draupne shale formation, which may serve as a seal over CO₂ storage sites. Different techniques were used to assess the integrity and mechanical properties of the shale, with the main objective of investigating...

An ultra-high-strength steel used in aeronautics for landing gears, 300M is generally shot-peened and coated with high-velocity oxygen fuel-sprayed WC-10Co-4Cr to improve its tribological behavior. In the literature, few treatment parameters have bee...

The present study proposes a novel silicone-based composite skin simulant to develop equivalent tensile properties and structures similar to the human scalp. The study utilised randomly distributed short polyethylene fibres and bioactive glass partic...

Three-dimensional textiles can offer improved mechanical performances compared with planar alternatives when used as reinforcement in Textile-Reinforced Cements (TRCs). The increased post-cracking stiffness observed in unidirectional flexural applica...

In the present work, fatigue crack tip shielding influence is assessed via two full-field optical techniques which are thermoelastic stress analysis and digital image correlation. Two different crack tip field models (CJP and Muskhelishvili) were com...

Laser heating is industrially applied to facilitate plastic shaping, especially for materials difficult to form due to their high hardness or brittleness. The effects of thermal softening and thermal forming in the total plastic deformation of pre-st...

In the present study, a new Design for Additive Manufacturing (DfAM) method for hot stamping dies is evaluated, namely lattice structured. In order to evaluate the benefits of the lattice structured method with regards to the thermal performance, a h...

In the automotive sector, lightweight carbon/epoxy composites have shown their benefits compared to traditional metals, and they are used in several parts of vehicles, such as frames and chassis. In such sub-components, different cross-section geomet...

This paper discusses new experiments with the X0-specimen taken from steel sheets and numerical simulations to investigate the influence of proportional and non-proportional loading on damage and failure processes in the moderate stress state regime....

The main objective of this project was to study the effect of diatomaceous earth (DE) on nylon-11 reinforcement. A Selective Laser Sintering™ (SLS) (SLS uses a high-powered laser to sinter small particles of powdered material to create solid 3D...

Thermoplastic parts created using the Fused Filament Fabrication (FFF) technique exhibit transversely isotropic characteristics. The latter are associated with the development of bonds and voids between the printed filaments, both of which are an art...

In this study, the responses of three soft open cell polyurethane foam samples (85, 63 and 46 kg/m³) subjected to four incremental cyclic compression load steps of 20%, 40%, 60%, and 80% strain are analyzed by digital image correlation. Facing large...

This paper presents the results of residual stress distribution measured by the neutron diffraction (ND) method in an extruded 7050 aluminum alloy used to fabricate the second rib structure of an aircraft wing. Residual stresses introduced due to hea...

In this study, non-destructive acoustic techniques were adopted to obtain information about various processes occurring inside cementitious materials. During the fresh stage, acoustic emission (AE) was used to monitor the hydration process of mixture...

Non-destructive testing (NDT) techniques are used to study the mechanical properties of the materials without destroying, nor compromising, such properties. This paper focuses on two types of NDT methods in order to follow the curing process of texti...

Steel components in the boilers of nuclear reactors are subject to high temperatures and varying loading conditions. This can introduce time-dependent and time-independent plasticity, which can interact with one another. Specimens of 316H austenitic...

For industrial applications of innovative metal forming techniques, advanced experimental methods have been developed to characterize the mechanical properties of materials under the corresponding forming conditions. This paper focuses on uniaxial te...

Recently, the combination of Fringe Projection (FP) and 2D Digital Image Correlation (2D-DIC) has become a low-cost alternative for measuring deformations even in dynamic events such as vibration testing. FP and DIC are displacement measurement techn...

An experimental and numerical study on three flat specimen geometries for characterization of the dynamic shear behavior of metals with the use of the compression Split Hopkinson Pressure Bar (SHPB) technique is presented in the paper. The aim of the...

The lubricant behaviour at elevated temperatures was investigated by conducting pin-on-disc tests between P20 tool steel and AA7075 aluminium alloy. The evolutions of coefficient of friction (COF) at elevated temperatures showed three distinct stages...

An experimental study on various types of metals with the use of an electromagnetic expanding ring technique is presented in this paper. Three metals with differing physical–mechanical properties, i.e., OFE (oxygen-free electronic) copper, alum...

The effect of filler content on viscoelastic properties of carbon black filled vulcanized natural rubber is here studied. The filled natural rubber specimens are subjected to dynamic mechanical loading with the temperature varying from −80 °...

Aluminum stamping processes are extensively used in automotive and aviation manufacturing for fabricating lightweight components, but their qualities are often restricted by galling, an adhesive wear phenomenon that causes the aluminum transfer and a...

This study presents an experimental protocol for the characterization of the strain rate effects on the nonlinear behavior of an organic matrix composite. This protocol is based on the development of a displacement interrupted tensile test device ada...

Fatigue of rubber in compression is of high interest for many industrial applications. In this contribution, new lifetime investigations of filled EPDM rubber are performed in the compression range. A new test rig with measuring device is applied, wh...

Fiber Bragg grating (FBG) based structural health monitoring applications are used in various engineering types of damage prediction and detection analysis. FBG can serve as an effective sensor for data monitoring applications as they are more robust...

The damage and failure behavior of anisotropic ductile metals depends on the material direction and on the stress state. Consequently, these effects have to be taken into account in material modeling and the corresponding numerical simulation, and al...

The post-impact residual behaviour of a modified-matrix glass fiber laminated composite is analysed. The matrix of the laminate was modified by mixing it with 1/4” long chopped glass fibers in up to 4% volume fractions. Beam impact tests were p...

This work focuses on the evaluation of the calibration strategy of the CPB06 asymmetry parameter k and its influence on the predictive behavior of the model at large deformations for Ti64. The direct identification strategy is based on fitting the mo...

Digital image correlation (DIC) is a widely used technique that makes it possible to obtain full field displacements, as well as 3D shapes, even at high speeds. However, it requires a pattern of random spots to be sprayed onto the surface, which woul...

In this paper, the LENS technique with optimized parameters was applied to investigate the feasibility of Inconel 625 repair process. The process was performed on the substrate material heated to 300 °C at laser power of 550 W. Subsequently, the...