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Open AccessSmart manufacturing platform based on input-output empirical relationships for process monitoring
Intelligent monitoring and maintenance protocols are undoubtedly crucial for improving manufacturing processes. Accordingly, machine learning techniques and predictive control models have been customized and o...
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Analysis of wall thickness evolution and forming quality of sheet metal manufactured by wrinkles-free forming method
Sheet metal wrinkles-free forming method is a novel sheet metal forming technology which deforms a blank to the target part using low-melting point alloy (LMA) without the blank holder, increasing materials ut...
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Procedure for optimal infrared heating of PET preform via a simplified 3D Modelling with ventilation
The thermal condition plays an important role in the final thickness distribution and in the mechanical behavior of the Polyethylene Terephthalate (PET) bottle obtained from the stretch blow molding (SBM) proc...
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The Comparison between Additively Manufactured and Molded 3D Scaffolds for Tissue Engineering Applications
Blood vessels are essential as they transport oxygen and nutrients. To address the increasing mortality rate from cardiovascular diseases, modern science is focusing on clinical trials for replacing human bloo...
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Predictive modeling of Loading paths for Hydroforming of bi-layered Y-shaped tubes
In this paper, a prediction model for the pressure-axial feed loading path in the hydroforming process of a bi-layered Y-shaped tube is developed. The plastic deformation behavior of the bi-layered Y-shaped tu...
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Open AccessDevelopment of a semi-empirical bond strength model for multi-pass hot roll bonding based on the characterizations using the truncated-cone experiment
With special reference to the modelling of hot roll bonding, new experimental procedures to measure the resulting bond strength for a combination of AA6016 and AA8079 aluminum alloys at elevated temperatures a...
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Study of the slippage and sliding mesoscopic defects during complex shape preforming of woven fabric
This study proposes to study the sliding and slippage mesoscopic defects that appear during the preforming phase of dry reinforcements to produce complex composite shapes. For this purpose, experimental prefor...
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Open AccessNumerical simulation and experimental validation of microstructure evolution during the upsetting process of a large size martensitic stainless steel forging
The microstructure evolution, plastic deformation, and damage severity during the open die hot forging of a martensitic stainless steel were investigated using finite element (FE) simulation. A microstructure ...
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Open AccessModeling of distortional hardening including plane strain tension and pure shear for a TWIP steel
This paper focuses on calibrating and modeling of distortional hardening behaviours in twinning induced plasticity steels. True stress-strain curves for uniaxial tension, plane strain tension, and pure shear s...
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Effect of axial ultrasonic vibration on the surface topography and microstructure of Al6061 chip in extrusion cutting
In this study, a new process of axial ultrasonic vibration-assisted extrusion cutting (AUV-EC) is proposed to prepare Al6061 alloy ultrafine-grained chip strips. The principles of AUV-EC are analyzed. The cutt...
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Study on deformation behaviour of TA2/Q345R composite plate during heat treatment process
The finite element method combined with the experiment analyzed the evolution mechanism of the plastic strain state and war** deformation of the TA2/Q345R composite plate during heat treatment. Then, the fac...
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Open AccessOptimization of precharge placement in sheet molding compound process
This study aims to provide precise predictions for the compression of reinforced polymers during the sheet Molding Compound (SMC) process, ensuring the attainment of a predefined structure while preventing mat...
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A study on the influence of thermoforming process on the optical properties of polycarbonate films
This article deals with the thermoforming process, in which the plastic sheet is heated to a suitable temperature and stretched through a single-sided mould. This paper focuses on the study of thickness distri...
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A review of methods and effects for improving production robustness in industrial micro-deep drawing
Deep-drawing is a method in which flat sheets of metal are formed into complex 3-dimensional geometries. Three main types of challenges arise when transitioning from the macro-scale to micro-deep drawing. Thes...
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Engineering estimates of strain and strain rate in helical rolling of balls
The subject of the research is the process of helical rolling of balls with a diameter of 15 to 125 mm for grinding mills. Analytical estimates of the equivalent strain and the rate of equivalent strain averag...
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Influence of the sensitivity of plastic deformation to the third invariant on the stress state achievable during stretch forming of isotropic materials
For isotropic materials, the von Mises yield criterion is generally used to interpret bulge test data and assess formability. In this paper, we investigate the role played by the
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Uncertainties on the mechanical behaviour of bronze sheets: influence on the failure in bending
Copper alloys are extensively used in the manufacture of electrical and electronic components, which strength depends on the material mechanical properties, which in turn depend on the metallurgical state. Eve...
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Open AccessRotary compression test for determination of critical value of hybrid damage criterion for railway steel EA1T
The article presents and discusses the problem of determining and characterizing the cracking limits of cross-rolled specimens. The limit values were determined in accordance with the hybrid Pater criterion. F...
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Investigation on the forming process of polylactic acid in material extrusion additive manufacturing technique
The internal hydrodynamic parameters of extrusion liquefier and bonding neck have an important influence on the forming quality of material extrusion additive manufacturing (MEAM) products. To investigate the ...
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Open AccessNumerical simulation of friction extrusion: process characteristics and material deformation due to friction
This study employs a finite element thermo-mechanical model, using a Lagrangian incremental setting to investigate friction extrusion (FE) under varying process conditions. The incorporation of rotation in FE ...
