Nowadays, the additive manufacturing of multifunctional materials is booming. The fused deposition modeling (FDM) process widely used thanks to ease with which multimaterial parts can be printed. main limitation this mechanical properties obtained. New continuous-fiber FDM printers significantly improve properties. Another repeatability process. This paper proposes explore feasibility printing in continuous carbon fiber and using as an indicator electrical fiber. placement part based on...

This paper deals with the numerical modelling of non-destructive testing composite parts using active thermography. method has emerged as a new approach for performing (NDT) on continuous carbon fibre reinforced thermoplastic polymer (CCFRTP) components, particularly in view detecting porosity or delamination. In this context, our model been developed around references containing internal defects various shapes and sizes. The first novelty lies fact that heat source used experimental setup...

The demand for inert bioceramics is always increasing in the dental field. Yttrium oxide tetragonal zirconia polycrystals (Y-TZP) are ceramics which currently used because of their interesting mechanical properties due to a toughening transformation. Industrially speaking, machining ceramic before sintering (green body) very common it allows better productivity and reduces crack probability during process. goal this paper determine behavior green operation. This study carried out on several...

The interconnection between engineering simulations, real-world experiments, and virtual reality remains underutilised in engineering. This study addresses this gap by implementing such interconnections, focusing on active thermography for a carbon fibre plate the aerospace domain. Six scenarios based three parameters were simulated using ComSol Multiphysics 6.2 validated experimentally. results then integrated into serious game developed with Unreal Engine 5.3.2 aimed at educating users...

This study investigates the feasibility and effectiveness of two non-destructive testing methods, active thermography shearography, on 3D-printed thermoplastic (TP) composites reinforced with continuous carbon fiber. Artificial defects were introduced into composite plate to benchmark detection capabilities these techniques (NDT). Active produced a thermogram that highlighted through variations in surface temperature. Although effective for identifying ranging from 3 10 mm size at four...

Manufacturing of advanced ceramic parts exhibiting complex geometries is laborious and expensive. Traditionally, the machining carried out on a so-called ‘green ceramic’: compact composed powder held with help binder. This difficulty due not only to composition material, but also lack methods that determine optimal parameters. The goal this paper apply method based ductile material behavior feed rate working range ensure quality. Indeed, previous study demonstrated limits in determining...

Additive Manufacturing (AM) allows to reduce the industrialization step by eliminating or minimizing tools conception phase, process development,… These technologies permit now produce real parts with required mechanical properties. AM allow new ways of thinking unlocking design limitations encountered other manufacturing methods. The Electron Beam Melting (EBM) technology is a powder-bed-metal based additive technique developed at Chalmers University in late 1990's and commercialized...

Additive manufacturing is feeding great hopes for future developments in fields such as aeronautical, biomedical and rapid tooling industrssssies. However, limitations are still restricting its use to make prototypes hampering mass production. In the case of titanium alloy printing (e.g. Ti6Al4V) with EBM (Electron Beam Melting) process, major obstacle parts directly after their roughness (Arithmetic Roughness (Ra) ~25 µm). Even if better regarding residual stresses than coming from other 3D...

Abstract Standards enabling the objective tolerancing and evaluation of dimensional geometrical performances additive manufacturing (AM) printers are still missing. The design, printing measurements benchmark test artefacts (GBTA) is current solution proposed in literature. However, GBTA with fixed dimensions cannot cover most available area large building platform dimensions. This article proposes to solve this problem by developing an adaptive design whose main can be adapted any common 3D...

Material Extrusion (MEX), particularly Fused Filament Fabrication (FFF), is the most widespread among additive manufacturing (AM) technologies. To further its development, understanding influence of various printing parameters on manufactured parts required. The effects varying infill percentage, number layers top and bottom surfaces side tensile properties printed were studied by using a full factorial design. test results allowed direct comparison each three parameters’ to be conducted....

Additive manufacturing of advanced materials has become widespread, encompassing a range including thermoplastics, metals, and ceramics. For the ceramics, complete production process typically involves indirect additive manufacturing, where green ceramic part undergoes debinding sintering to achieve its final mechanical thermal properties. To avoid unnecessary energy-intensive steps, it is crucial assess internal integrity in stage. This study aims investigate use active thermography for...

This paper investigates active thermography models for non-destructive testing of composites, with a focus on continuous carbon fiber reinforced thermoplastic polymer (CCFRTP) components, in order to detect flaws such as porosity and delamination. The application finite elements this study numerical model focuses collecting data, critical points verified validated by an experimental model. aims understand the influence different, independent parameters test, making it possible develop...

The innovative Green Ceramic Hybrid Machining (GCHM) process sequentially combines milling with a cutting tool (GCM, Machining) and laser beam machining (GCLBM) of ceramic material (black Y-TZP in this study) at the green stage mainly to increase productivity, avoid taper angle limitations machining, obtain micro-features. study focuses on reliability repeatability properties sintered parts obtained by three manufacturing processes GCLBM, GCHM) assess performance hybridisation. It turns out...

Nowadays, the semiconductor market is growing exponentially in many sectors and more particularly applications of Internet Things (IoT) “harsh” environments. These so-called harsh environments result difficult operating conditions for electronics. To guarantee reliability operations such environments, devices must be tested specified extreme conditions. In case exposure to ionizing radiation, tests are generally carried out on specific facilities as a cyclotron. Unfortunately, access this...

The micro manufacturing of ceramic components is technologically challenging especially when complex shapes and features are required. A hybrid chain developed for non-sintered(green) blanks machined using sequentially a cutting tool laser source. During the preparation green blank, binder added to powder improve compaction. amount can affect quality machining. goal this paper study its influence on material removal rate surface with both technologies determine optimal proportion

When modelling a cutting operation, the constitutive model of machined material is one key parameters to obtain accurate and realistic results. Up now, Johnson-Cook still most used, even if an increasing number models, such as Hyperbolic TANgent (TANH) model, were introduced last years overcome its limitations come closer actual behaviour. Experimental tests on dedicated equipment are usually required identify models. This paper introduces Coupled Eulerian-Lagrangian (CEL) formalism in 3D...