Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Biasing of Metal-Semiconductor Junctions

Biasing of Metal-Semiconductor Junctions

Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Modeling hepatitis D virus kinetics during bulevirtide monotherapy: challenges and solutions.

ArXiv·2026

Same author

Modeling predicts shortening of DAA treatment duration to 5 weeks in individuals with recent or chronic infection with HCV RNA negativity at day 7 on treatment.

The Journal of infectious diseases·2026

Same author

Discovery of Potent and Brain-Penetrant Inverse Agonists for GPR61, an Orphan G Protein-Coupled Receptor.

Journal of medicinal chemistry·2026

Same author

ID3 deficiency alters chromatin accessibility at DSB sites and enhances vulnerability to HDAC inhibition.

International journal of cancer·2026

Same author

Prostate cancer cells converge to an inflammatory-like state upon metastatic dissemination.

Nature communications·2025

Same author

Establishing correlation between bone mineral apposition rate and physiological loading using machine learning regressor.

Scientific reports·2025

Search research articles

Related Experiment Video

Updated: May 3, 2026

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Published on: February 11, 2016

Enhancing shielded metal arc welding performance through process parameter optimization with low-frequency vibration

Rajeev Ranjan¹, Manoj Kumar², Sachin Rathore³

¹Department of Mechanical Engineering, Sarala Birla University, Ranchi, India.

Scientific Reports

|November 14, 2025

Summary

This summary is machine-generated.

Low-frequency vibration-assisted welding enhances mild steel properties. Optimized parameters significantly improved hardness, tensile, and impact strength through refined microstructure, demonstrating a promising technique for high-quality welds.

Keywords:

Low-frequency vibration-assisted welding process Mechanical characteristics Mild steel Response surface methodology

More Related Videos

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Published on: August 13, 2019

Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads

Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads

Published on: July 25, 2025

Related Experiment Videos

Last Updated: May 3, 2026

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Published on: February 11, 2016

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel

Published on: August 13, 2019

Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads

Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads

Published on: July 25, 2025

Area of Science:

Materials Science
Mechanical Engineering
Manufacturing Processes

Background:

Vibration-assisted welding is a developing technique for superior weld quality.
Previous research concentrated on medium and high frequencies for mechanical enhancement.
Low-frequency applications remain less explored for optimizing weld properties.

Purpose of the Study:

To investigate and optimize process parameters for low-frequency vibration-assisted welding.
To enhance mechanical properties such as hardness, tensile strength, and impact strength in mild steel welds.
To identify the key factors influencing weld quality in this process.

Main Methods:

Utilized low-frequency (100 Hz) vibration-assisted Shielded Metal Arc Welding (SMAW).
Employed Taguchi methodology with an L27 orthogonal array for parameter optimization.
Optimized welding current, vibration time, and frequency using response surface technique.
Conducted Scanning Electron Microscopy (SEM) for microstructural analysis.

Main Results:

Vibration frequency was identified as the most critical factor for hardness, tensile, and impact strength.
Optimized parameters (120 A, 100 Hz, 60 s) yielded maximum hardness (97.16 RHN) and improved impact strength.
Optimal tensile strength was achieved with low heat input, 100 Hz frequency, and 100 s vibration time.
SEM analysis showed a refined microstructure in the weld zone due to weld pool excitation.

Conclusions:

Low-frequency vibration-assisted welding is effective in enhancing mild steel mechanical properties.
Optimized process parameters significantly improve weld hardness, tensile, and impact strength.
Microstructural refinement via weld pool excitation is key to improved performance.