A5072807421- Metal Forming Simulation Techniques
- Metallurgy and Material Forming
- Industrial Vision Systems and Defect Detection
- Microstructure and mechanical properties
- Microstructure and Mechanical Properties of Steels
- Optical measurement and interference techniques
- Advanced Surface Polishing Techniques
- Laser and Thermal Forming Techniques
- Welding Techniques and Residual Stresses
- Non-Destructive Testing Techniques
- Recycling and Waste Management Techniques
- Aluminum Alloy Microstructure Properties
- 3D Surveying and Cultural Heritage
- Extraction and Separation Processes
- Advanced Welding Techniques Analysis
- Infrastructure Maintenance and Monitoring
- Aluminum Alloys Composites Properties
- Medical Imaging Techniques and Applications
- Color Science and Applications
- Advanced biosensing and bioanalysis techniques
- Textile materials and evaluations
- Metal and Thin Film Mechanics
- Advanced Measurement and Metrology Techniques
- Surface Roughness and Optical Measurements
- Image and Object Detection Techniques
University of Engineering & Management
2024
University of Warwick
2013-2024
University of the West of England
2022
University of Waterloo
2022
Abstract Sheet metal stamping is widely used for high-volume production. Despite the wide adoption, it can lead to defects in manufactured components, making their quality unacceptable. Because of variety that occur on final product, human inspectors are frequently employed detect them. However, they be unreliable and costly, particularly at speeds match rate. In this paper, we propose an automatic inspection framework process based computer vision deep learning techniques. The low cost,...
The global steel sector is undergoing a transition from being major CO 2 emitter to more sustainable circular material service provider, moving towards (near) net zero through combined strategies of reuse, remanufacturing, recycling and changes primary steelmaking. This paper considers the using UK as an example, based on current state future plans/opportunities. Some key enablers/barriers have been identified, case studies are presented knowledge technology developments. For increasing...
The mechanical performance of Dual Phase (DP) and Complex (CP) steels was investigated by SEM analysis, tensile testing, Forming Limit Curve investigation flange formability testing. alloys interest were untempered, tempered steels. content analysis showed that the distribution ferrite martensite phases same for two DP alloys, but grain size condition (tempered/untempered) islands much different in alloys. In steel, smaller tempering process resulted increased elongation, more ability to...
The aim of this benchmark is the numerical prediction springback an aluminium panel used in production a Jaguar car. simulation has been very important for reduction die try outs through design tools with compensation, thereby allowing dimensionally accurate complex parts at reduced cost. forming stage includes one single operation followed by trimming operation. Cross-sectional profiles should be reported specific (provided) sections part before and after springback. Problem description,...
In the present work, SS 304 sheet of 200 μm thickness was used to experimentally evaluate forming limit diagram (FLD). this context, a sub-size limiting dome height (LDH) test setup developed deform rectangular specimens different widths using 30 mm hemispherical punch. Further, effect various parameters such as change in circular grid size, stretching direction with respect rolling sheet, punch size and deformation speed on strains investigated. It observed that there marginal due diameter...
Detecting rare and costly defects, such as necks splits in sheet metal stamping, remains challenging for deep learning models due to low failure rates entailing few available samples train on. Synthetic images provide a simulated alternative; however, the two main current approaches have limitations generating split defect images. Image synthesis-based generate implausible training data, while physics-based are computationally expensive lack diversity required. To address this, we present...
Ultra high strength steels (UHSS) have an ultimate tensile of greater than 1GPa. Typically, their ambient temperature elongation is less 10% and as a result, they are rarely used in stamping applications. However, the continuous demand for weight reduction structures built transport sector means that such materials attractive because can be parts with thinner cross-sections while maintaining required in-service performance. One way to overcome ductility these roll-form them, particularly...
Automotive manufacturers have been reducing the weight of their vehicles to meet increasingly stringent environmental legislation that reflects public demand. A strategy is use higher strength materials for parts with reduced cross-sections. However, such are less formable than traditional grades. The frequent result increased processing and piece costs. 3D roll forming a novel flexible process: it estimated quarter structure vehicle can be made single set tooling. Unlike stamping, this...
Abstract Forming limit curves characterise “mean” failure strains of sheet metals. Safety levels from the define deterministic upper processing and part design window, which can be small for high strength, low formability materials. Effects heterogeneity plastic deformation, widely accepted to occur on microscale, are neglected. Marciniak tests were carried out aluminium alloys (AA6111-T4, NG5754-O), dual-phase steel (DP600) mild (MS3). Digital image correlation was used measure effect...
Sheet metal stamping processes are used primarily for high-volume products produced a range of sectors, from white goods manufacturing to the automotive and aerospace sectors. However, process is susceptible defects. Due numerous potential defects that may arise in product, human inspectors often deployed their detection. they unreliable expensive, especially when operating at production speeds equivalent rate. This study investigate CNN-based automatic inspection The carried out two sets...