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16 Results Found

  • Article
  • Open Access
12 Citations
3,764 Views
21 Pages

Process Chain Development for the Fabrication of Three-Dimensional Braided Oxide Ceramic Matrix Composites

  • Martin Kolloch,
  • Georg Puchas,
  • Niels Grigat,
  • Ben Vollbrecht and ,
  • Walter Krenkel and
  • Thomas Gries
  • + 1 author+ 0 author

23 October 2021

Fiber composites with a three-dimensional braided reinforcement architecture have higher fiber volume content and Z-fiber content compared to a two-dimensional braided reinforcement architecture; as a result, the shear strength increases. Porous oxid...

(This article belongs to the Special Issue Novel Ceramic Materials for the Energy Transition)
  • Proceeding Paper
  • Open Access
9 Citations
3,389 Views
10 Pages

Friction Stir Welding Parameters Development of AA6061-T6 Extruded Alloy Using a Bobbin Tool

  • Kenza Marianne Sipereh Tinguery,
  • Ahmed Rahem,
  • François Nadeau and
  • Mario Fafard

Bobbin tool friction stir welding (BT-FSW), or self-reacting tool friction stir welding (SR-FSW), refers to a solid-state welding process which that uses two opposing rotating shoulders (top and lower of the workpiece) connected with a fully penetrat...

(This article belongs to the Proceedings of The 15th International Aluminium Conference)
  • Article
  • Open Access
14 Citations
3,820 Views
11 Pages

A New Kinect V2-Based Method for Visual Recognition and Grasping of a Yarn-Bobbin-Handling Robot

  • Jinghai Han,
  • Bo Liu,
  • Yongle Jia,
  • Shoufeng Jin and ,
  • Maciej Sulowicz,
  • Adam Glowacz,
  • Grzegorz Królczyk and
  • Zhixiong Li
  • + 3 authors+ 0 author

This work proposes a Kinect V2-based visual method to solve the human dependence on the yarn bobbin robot in the grabbing operation. In this new method, a Kinect V2 camera is used to produce three-dimensional (3D) yarn-bobbin point cloud data for the...

  • Review
  • Open Access
56 Citations
22,797 Views
21 Pages

Innovation in 3D Braiding Technology and Its Applications

  • Caroline Emonts,
  • Niels Grigat,
  • Felix Merkord,
  • Ben Vollbrecht and ,
  • Akram Idrissi,
  • Johannes Sackmann and
  • Thomas Gries
  • + 2 authors+ 0 author

7 July 2021

Braids are generally divided into 2D braids and 3D braids. Two-dimensional braids include flat braids and circular braids. Circular braids represent three-dimensional textiles, as they enclose a volume, but consist of a two-dimensional yarn architect...

(This article belongs to the Special Issue Fibrous Materials (Textiles) for Functional Applications)
  • Article
  • Open Access
15 Citations
4,372 Views

28 September 2019

Bobbin friction stir welding with a double-sided tool configuration produces a symmetrical solid-state joint. However, control of the process parameters to achieve defect-free welds is difficult. The internal flow features of the AA6082-T6 butt-joint...

(This article belongs to the Special Issue Characterization of Welded Joints)
  • Article
  • Open Access
33 Citations
7,438 Views
22 Pages

Formation Mechanisms for Entry and Exit Defects in Bobbin Friction Stir Welding

  • Abbas Tamadon,
  • Dirk J. Pons,
  • Kamil Sued and
  • Don Clucas

5 January 2018

Bobbin friction stir welding (BFSW) is an innovative variant for the solid state welding process whereby a rotating symmetrical tool causes a fully penetrated bond. Despite the process development, there are still unknown variables in the characteriz...

(This article belongs to the Special Issue Recent Achievements in Rotary, Linear and Friction Stir Welding of Metals Alloys)
  • Article
  • Open Access
15 Citations
3,894 Views
18 Pages

20 November 2020

A saturated iron-core superconducting fault current limiter (SI-SFCL) can significantly limit the magnitude of the fault current and reduce the stress on circuit breakers in direct current (DC) power systems. The SI-SFCL consists of three main parts:...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
5 Citations
1,123 Views
25 Pages

A Study on the Design Process of a 1.8 kW In-Wheel Type AFPMSM Motor

  • Soo-Bum Kim,
  • Min-Ki Hong,
  • Hyo-Gu Kim,
  • Seung-Hoon Ko and
  • Won-Ho Kim

26 October 2025

Axial Flux Permanent Magnet Synchronous Motor (AFPMSM) offers high power density in structures with short axial lengths and large radial dimensions, making it attractive for applications that require thin structures, such as in-wheel motors. This stu...

  • Article
  • Open Access
39 Citations
5,606 Views
18 Pages

Bobbin Tool Friction Stir Welding of Aluminum Using Different Tool Pin Geometries: Mathematical Models for the Heat Generation

  • Mohamed M. Z. Ahmed,
  • Mohamed I. A. Habba,
  • Nabil Jouini,
  • Bandar Alzahrani and ,
  • Mohamed M. El-Sayed Seleman and
  • Ahmed El-Nikhaily
  • + 1 author+ 0 author

7 March 2021

In this work, three mathematical models for the heat generation during bobbin tool friction stir welding (BT-FSW) of aluminum using three tool pin geometries have been proposed. The models have utilized and updated the available models for the heat g...

(This article belongs to the Special Issue Friction Stir Welding of Lightweight Alloys)
  • Article
  • Open Access
22 Citations
5,394 Views
24 Pages

5 August 2023

Magnetorheological fluid brakes are a promising technology for developing high-performance drive-by-wire braking systems due to their controllability and adaptability. This research aims to design an optimal magnetorheological fluid brake for motorcy...

(This article belongs to the Section Actuator Materials)
  • Review
  • Open Access
325 Citations
18,181 Views
33 Pages

Friction Stir Welding of Aluminum in the Aerospace Industry: The Current Progress and State-of-the-Art Review

  • Mohamed M. Z. Ahmed,
  • Mohamed M. El-Sayed Seleman,
  • Dariusz Fydrych and
  • Gürel Çam

8 April 2023

The use of the friction stir welding (FSW) process as a relatively new solid-state welding technology in the aerospace industry has pushed forward several developments in different related aspects of this strategic industry. In terms of the FSW proce...

(This article belongs to the Special Issue Advances in the Experimentation and Numerical Modeling of Material Joining Processes)
  • Article
  • Open Access
3 Citations
1,841 Views
10 Pages

Influence of Laser Shock Peening on the Bobbin Tool Friction Stir-Welded AW6060 Alloy

  • Sebastian Balos,
  • Milan Pecanac,
  • Dragan Rajnovic,
  • Igor Barenyi and ,
  • Henrieta Chochlikova,
  • Danka Labus Zlatanovic,
  • Jean Pierre Bergmann,
  • Milos Knezev,
  • Slobodan Radisic and
  • Jozef Majerik
  • + 5 authors+ 0 author

8 January 2025

Friction stir welding (FSW) is a solid-state welding process that uses a rotating tool to soften and stir the base metal, thereby joining it. A special type of tool that has attracted the interest of researchers is the so-called bobbin tool (BTFSW),...

(This article belongs to the Special Issue Laser and Plasma Technologies in Materials Science: Physics and Applications)
  • Article
  • Open Access
36 Citations
14,726 Views

11 October 2017

BACKGROUND—The solid-phase joining of A6082-T6 plates by bobbin friction stir welding (BFSW) is problematic. Better methods are needed to evaluate the microstructural evolution of the weld. However, conventional Al reagents (e.g., Keller’s and Kroll’...

(This article belongs to the Special Issue Recent Achievements in Rotary, Linear and Friction Stir Welding of Metals Alloys)
  • Article
  • Open Access
29 Citations
4,051 Views
18 Pages

Bobbin Tool Friction Stir Welding of Aluminum: Parameters Optimization Using Taguchi Experimental Design

  • Mohamed M. Z. Ahmed,
  • Kamel Touileb,
  • Mohamed M. El-Sayed Seleman,
  • Ibrahim Albaijan and
  • Mohamed I. A. Habba

9 April 2022

This work aims to optimize the performance evaluation characteristics such as the temperature at the weld center of the lap joint (Tw), the tensile shear load (TSL), and the hardness using an experimental design experiment for bobbin tool friction st...

(This article belongs to the Section Manufacturing Processes and Systems)
  • Article
  • Open Access
44 Citations
3,078 Views
17 Pages

Optimization of Bobbin Tool Friction Stir Processing Parameters of AA1050 Using Response Surface Methodology

  • Ibrahim Albaijan,
  • Mohamed M. Z. Ahmed,
  • Mohamed M. El-Sayed Seleman,
  • Kamel Touileb and ,
  • Mohamed I. A. Habba and
  • Ramy A. Fouad
  • + 1 author+ 0 author

4 October 2022

The current research designed a statistical model for the bobbin tool friction stir processing (BT-FSP) of AA1050 aluminum alloy using the Response Surface Method (RSM). The analysis studied the influence of tool travel speeds of 100, 200, and 300 mm...

(This article belongs to the Special Issue Advanced Manufacturing of Metals and Composites: Effect of Processes on Microstructure and Mechanical Properties)
  • Proceeding Paper
  • Open Access
7 Citations
3,883 Views
7 Pages

Improved Skin–Electrode Impedance Characteristics of Embroidered Textile Electrodes for Sustainable Long-Term EMG Monitoring

  • Bulcha Belay Etana,
  • Benny Malengier,
  • Janarthanan Krishnamoorthy and
  • Lieve Van Langenhove

Textile-based electrodes offer several advantages such as washability, flexibility, and reusability. However, there are challenges when it comes to long-term, real-time continuous monitoring, particularly during self-administration situations which i...

(This article belongs to the Proceedings of Eng. Proc., 2023, E-Textiles 2023)