the least amount of welding material possible. Butt welds are prevalent in automated welding processes, such as submerged-arc welding, due to their relative...
11 KB (1,530 words) - 05:12, 7 December 2023
methods include solvent welding (of thermoplastics) using chemicals to melt materials being bonded without heat, and solid-state welding processes which bond...
67 KB (8,810 words) - 23:54, 18 October 2024
Fatigue of welded joints can occur when poorly made or highly stressed welded joints are subjected to cyclic loading. Welding is a manufacturing method...
6 KB (766 words) - 18:19, 9 November 2022
resistance welding process can be further classified by the geometry of the weld and the method of applying pressure to the joint: spot welding, seam welding, flash...
14 KB (1,957 words) - 06:37, 19 May 2024
Butt welding is when two pieces of metal are placed end-to-end without overlap and then welded along the joint (as opposed to lap joint weld, where one...
7 KB (946 words) - 21:44, 25 March 2024
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...
27 KB (3,744 words) - 14:05, 4 April 2024
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...
43 KB (5,578 words) - 18:57, 9 June 2024
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...
10 KB (1,284 words) - 09:39, 5 July 2024
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...
45 KB (6,391 words) - 05:59, 25 July 2024
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...
35 KB (4,951 words) - 08:11, 13 August 2024
Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion or heating at the interface of the two parts...
6 KB (807 words) - 04:50, 10 November 2024
welding. Also known as manual metal arc (MMA) welding or stick welding. Also known as electric resistance welding (ERW). "جوشکاری گدازی FLOW Welding |...
10 KB (295 words) - 15:11, 6 October 2024
Fillet welding refers to the process of joining two pieces of metal together when they are perpendicular or at an angle. These welds are commonly referred...
8 KB (1,204 words) - 16:47, 10 July 2024
Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion...
22 KB (2,474 words) - 21:26, 7 November 2024
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...
55 KB (6,750 words) - 14:29, 22 November 2024
Fishplate (section Welded joints)
spot welding or other means. An improvement over fishplate rail connectors is directly bonding rails together using thermite or flash butt welding. In...
5 KB (551 words) - 12:54, 12 September 2024
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...
29 KB (3,752 words) - 14:53, 18 November 2024
vapours that might oxidize or contaminate a welding joint as it is being welded and immediately after welding. Stainless steels, duplex steels, titanium-...
13 KB (2,059 words) - 21:40, 2 February 2024
finished weld. Fit-up of weld joint - tack welding the base material components (using hot gas welding) or using a clamping system Welding - adding the...
11 KB (1,653 words) - 04:06, 18 October 2024
All sections contain welding specifications, however most relevant information is contained in the following: The American Welding Society (AWS) publishes...
23 KB (782 words) - 08:32, 28 February 2023
polymer solidifies and a weld joint is made. The two most important welding parameters that affect the mechanical performance are welding pressure and time....
15 KB (2,192 words) - 17:10, 7 November 2023
Spin welding is a form of friction welding used to join thermoplastic parts. The parts to be welded must be round, and in plane with each other. Like all...
15 KB (2,128 words) - 00:42, 19 August 2023
metalworking, a welding defect is any flaw that compromises the usefulness of a weldment. There are many different types of welding defects, which are...
24 KB (2,941 words) - 04:42, 15 January 2024
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...
20 KB (2,898 words) - 19:50, 9 July 2024
Electron-beam welding (EBW) is a fusion welding process in which a beam of high-velocity electrons is applied to two materials to be joined. The workpieces...
22 KB (2,948 words) - 00:26, 15 October 2024
the welding process. Components of ultrasonic welding systems as well as the areas of application are described in the article Ultrasonic welding. Following...
12 KB (1,692 words) - 17:45, 17 April 2024
Exothermic welding, also known as exothermic bonding, thermite welding (TW), and thermit welding, is a welding process that employs molten metal to permanently...
17 KB (2,212 words) - 14:31, 23 March 2024
Percussion welding (PEW) is an arc welding process. The heat is obtained from an electric arc produced by short discharge of electrical energy while a...
6 KB (768 words) - 02:42, 29 October 2024
ultrasonic welding. Ultrasonic welding is a very popular technique for bonding thermoplastics. It is fast and easily automated with weld times often...
21 KB (2,678 words) - 20:42, 20 September 2024