methods include solvent welding (of thermoplastics) using chemicals to melt materials being bonded without heat, and solid-state welding processes which bond...

up weld in Wiktionary, the free dictionary. Weld may refer to: Welding, a metalworking technique Weld (name), and persons with the name Port Weld, now...

Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the United States) and oxy-fuel cutting are processes that use fuel...

tungsten arc welding (GTAW, also known as tungsten inert gas welding or TIG, and heliarc welding when helium is used) is an arc welding process that uses...

Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when...

Hyperbaric welding is the process of extreme welding at elevated pressures, normally underwater. Hyperbaric welding can either take place wet in the water...

Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding or informally as stick welding, is a manual...

interface of the two parts to be welded. Unlike in fusion welding, no liquid or molten phase is present in the joint. Cold welding was first recognized as a...

Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an...

Plastic welding is welding for semi-finished plastic materials, and is described in ISO 472 as a process of uniting softened surfaces of materials, generally...

Electric resistance welding (ERW) is a welding process in which metal parts in contact are permanently joined by heating them with an electric current...

Spot welding (or resistance spot welding) is a type of electric resistance welding used to weld various sheet metal products, through a process in which...

Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion...

Exothermic welding, also known as exothermic bonding, thermite welding (TW), and thermit welding, is a welding process that employs molten metal to permanently...

A welding helmet is a type of personal protective equipment used in performing certain types of welding to protect the eyes, face, and neck from flash...

at The Welding Institute (TWI) in the UK in 1991. TWI held patents on the process, the first being the most descriptive. Friction stir welding is performed...

welding. Also known as manual metal arc (MMA) welding or stick welding. Also known as electric resistance welding (ERW). "جوشکاری گدازی FLOW Welding |...

the same plane and the weld metal remains within the planes of the surfaces. Butt welding is a commonly used technique in welding that can either be automated...

Forge welding (FOW), also called fire welding, is a solid-state welding process that joins two pieces of metal by heating them to a high temperature and...

correct warping of weldments due to heat. These may include redesigning the piece to require less welding, employing staggered welding, using a stout fixture...

Laser beam welding (LBW) is a welding technique used to join pieces of metal or thermoplastics through the use of a laser. The beam provides a concentrated...

voestalpine Böhler Welding is a manufacturer of welding consumables (joint welding, maintenance, repair and overlay welding and brazing), welding equipment and...

Explosion welding (EXW) is a solid state (solid-phase) process where welding is accomplished by accelerating one of the components at extremely high velocity...

with filler material. The weld pool is central to the success of the welding process. It was first observed in oxy-fuel welding by Fouché & Picard in 1903...

Submerged arc welding (SAW) is a common arc welding process. The first SAW patent was taken out in 1935. The process requires a continuously fed consumable...

Welding slag is a form of slag, or vitreous material produced as a byproduct of some arc welding processes, most specifically shielded metal arc welding...

A Welding Procedure Specification (WPS) is a formal document describing welding procedures. It is an internal document used by welding companies to instruct...

A welding blanket is a piece of safety equipment designed to protect equipment and the welder while welding. A welding blanket typically consists of a...

Fusion welding is a generic term for welding processes that rely on melting to join materials of similar compositions and melting points. Due to the high-temperature...

Autogenous welding is a form of welding in which the filler material is either supplied by melting the base material or is of identical composition. The weld may...