Methods

Thermo-mechanically Affected Zone in Friction Stir Welding Introduction Friction Stir Welding (FSW) is a revolutionary solid-state joining process that has gained immense popularity in various industries due to its advantages over conventional welding methods. However, during the FSW process, a unique zone called the Thermo-mechanically Affected Zone (TMAZ) is formed. …

Welding Techniques for Cast Iron Introduction Welding is a fundamental process in the world of manufacturing and construction, enabling the joining of diverse materials to create robust and intricate structures. Among the various materials that welders encounter, cast iron holds a unique position due to its distinct properties and challenges …

What is Magnetic Pulse Welding? Introduction Magnetic Pulse Welding (MPW) is a solid-state welding process that utilizes high-velocity magnetic forces to join metal components. It involves the generation of a high-intensity magnetic field that rapidly accelerates one workpiece towards another, creating a collision and a strong metallurgical bond between them. …

What Is Heat Affected Zone (HAZ)? Introduction Definition of the Heat Affected Zone (HAZ) The Heat Affected Zone (HAZ) refers to the region of a material that undergoes significant changes in its microstructure and mechanical properties due to the heat generated during welding or heat treatment processes. When heat is …

Weld Distortion – Causes and Remedies Introduction Weld distortion refers to the undesirable changes in the shape and dimensions of a welded structure or component that occur as a result of the welding process. During welding, the application of heat and the subsequent cooling cause localized expansion and contraction of …

What is IR Welding? Introduction Definition of Infrared Welding Infrared welding (IR Welding) is a welding technique that utilizes infrared radiation to generate heat and create a weld between thermoplastic materials. It is a non-contact heating process where the energy from infrared radiation is absorbed by the surface of the …

What is Capacitor Discharge Welding? Introduction Definition of Capacitor Discharge Welding Capacitor Discharge Welding (CDW) is a welding process that utilizes the discharge of electrical energy stored in capacitors to create a localized, high-intensity heat source for joining metal components. It is a fast and efficient welding technique commonly used …

Gas Welding – Acetylene vs Propane Introduction Definition of gas welding Gas welding is a welding process that utilizes a flame produced by burning a fuel gas mixed with oxygen to generate the heat required for melting and joining metals. It is a widely used method for various applications, including …

Hybrid Welding Processes Introduction Hybrid welding processes involve the combination of two or more different welding techniques to leverage their respective advantages and achieve improved weld quality, productivity, and efficiency. These processes integrate different welding methods, such as arc welding (e.g., GMAW, SMAW) and other techniques like laser welding or …

Mold Tool and Die Repair Welding Introduction Overview of mold tool and die repair welding Mold tool and die repair welding is a specialized process used to restore and repair damaged molds and dies used in various industries, such as manufacturing, automotive, and aerospace. Welding techniques are employed to fix …