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1. What is welding? Welding is a fabrication process in which two or more parts are fused using heat, pressure, or both to form a joint as the parts cool. Welding is typically performed on metals and thermoplastics, but it can also be performed on wood. The finished welded joint is known as a weldment. What Is the Process of Welding? Metal Fusion In contrast to brazing and soldering, which do not melt the base metal, welding is a high-heat process that does. Typically, a filler material is included. High- temperature heat causes a weld pool of molten material to form the joint, which can be stronger than the parent metal. Pressure can also be used to produce a weld, either in conjunction with or independently of heat. Shielding gas can also be used to keep the melted and filler metals from becoming contaminated or oxidized. Paynes Welding Ltd is located on Great Chart for best welding services. Wood Joining To join the materials, wood welding uses heat generated by friction. The materials to be joined are placed under intense pressure before a linear friction movement generates heat that bonds the workpieces together. This is a quick process that

2. allows the wood to be joined in a matter of seconds without the use of adhesives or nails. Plastics Joined Plastics welding, like solvent welding, uses heat to join the materials and is accomplished in three stages. First, the surfaces are prepared before applying heat and pressure, and then the materials are left to cool to create fusion. Plastic joining methods can be classified as either external or internal heat treatments, depending on the specific process used.