Arc

Difference Between Weld Metal and Heat Affected Zone (HAZ)

Welding is one of the manufacturing processes where two or more materials can be joined permanently through coalescence formation with or without the application of external heat, pressure, or filler metal. Welding processes can be broadly classified as fusion welding and solid state welding. In fusion welding processes, significant amount of heat (thermal energy) is applied from external source in order to fuse (melt) the faying surfaces of the components

Difference Between SMAW and FCAW - Shielded Metal Arc Welding and Flux-Cored Arc Welding

A sub-group of fusion welding where electric arc is used to supply necessary heat for melting the faying surfaces of the base metals is termed as arc welding. Here the electric arc is established between an electrode and the base metals when sufficient potential difference is applied across them. For few arc welding processes, the electrode is allowed to melt and subsequently deposit on the weld bead to supply filler

Difference Between TIG and SAW - Tungsten Inert Gas welding and Submerged Arc Welding

Arc welding is a subset of fusion welding process where the heat is supplied from an electric arc for melting the faying surfaces of the base metals for coalescence formation. This arc is established between an electrode and the base metals under sufficient potential difference. This arc welding electrode can be of two types – consumable and non-consumable. A consumable electrode is allowed to melt due to arc heat, and

Difference Between SMAW and SAW - Shielded Metal Arc Welding and Submerged Arc Welding

Arc welding processes are a subgroup of fusion welding as an electric arc established between an electrode and base plates is used to supply heat for melting the faying surfaces for coalescence formation during welding. The electrode is sometimes consumable, while it is non-consumable in other few arc welding processes. Apart from assisting in arc formation, a consumable electrode melts owing to arc heating, and subsequently deposits on the weld

Difference Between GMAW and SAW - Gas Metal Arc Welding  & Submerged Arc Welding

Welding is one of the manufacturing processes where two or more materials having similar or different compositions can be joined permanently with or without the external application of heat, pressure, and filler metal. In all such welding processes, where heat is applied from external source for melting the faying surfaces of the parent components, are termed as fusion welding. Arc welding processes are basically a sub-group of fusion welding processes

Difference Between Gas Shielding and Flux Shielding for Arc Welding

All arc welding processes are fusion welding; it means that the coalescence formation takes place through melting (or fusion) of the faying surfaces of the parent components. An electric arc is established between an electrode and the base plates that are to be joined. This arc supplies necessary heat for melting the faying surfaces of the base plates. The consumable electrode or the filler metal, as the case may be,

Difference Between Carbon Electrode and Tungsten Electrode for Arc Welding

Arc welding is one class of fusion welding where the faying surfaces of the base metals are melted by supplying heat through an electric arc. The arc is constituted between an electrode and the base metals. Arc welding electrodes can be broadly classified as consumable and non-consumable. While few arc welding processes utilize consumable electrode, others employ non-consumable electrode. Consumable electrodes are meant for melting during the welding to supply

Difference Between CAW and TIG - Carbon Arc Welding and Tungsten Inert Gas Welding

In arc welding processes, the heat (thermal energy) required for melting the faying surfaces of the parent components are supplied by an electric arc. This arc is established between an electrode and the metallic components – both connected to a power source. The arc welding electrode can be either consumable or non-consumable. A consumable electrode melts down during welding due to the arc heating, and the molten metal subsequently deposits

Difference Between PAM and IBM - Plasma Arc Machining and Ion Beam Machining

Different forms of energy (such as mechanical, thermal, electrical, chemical, electro-chemical, light, etc.) are directly utilized in advanced machining processes to realize material removal from the workpiece for fabricating intended 3-D feature following the subtractive manufacturing approach. Plasma Arc Machining (PAM) is one such advanced machining process where thermal energy (heat) is primarily used to melt down and vaporize material from the workpiece. A high temperature jet of thermal plasma

Difference Between Transferred Arc and Non-Transferred Arc Plasma Torch

Thermal plasma is the ionic form of matter that is obtained by heating suitable gas to a very high temperature. Plasma consists of excited ions of gaseous atoms and free electrons (thus plasma can conduct electricity). Localized temperature of plasma can reach 30,000°C or even more. Such a high temperature can virtually melt and vaporize any material regardless of its physical state. An artificially created controllable jet of high temperature

Difference Between LBM and PAM - Laser Beam Machining and Plasma Arc Machining

Non-traditional machining (NTM) processes can directly employ various forms of energy for removing material from workpiece in order to fabricate the intended 3-D feature. EDM, LBM, EBM, and PAM are four common NTM processes that use thermal energy (heat) to selectively remove material. In these processes, material removal mostly takes place in vaporized and sometimes in molten state. The source of heat is, however, different for these four processes. Laser

Difference between forehand welding and backhand welding

In gas welding, a flame supplies necessary heat for fusing the base metals. Similarly, in arc welding, an electric arc supplies necessary heat. While joining two components by either gas welding or arc welding, the flame or arc can be moved towards the direction of weld progression or opposite to the direction of weld progression. Based on the relative position of the weld bead (puddle) and flame/arc, welding technique can

Difference between reducing flame and oxidizing flame

Oxy-fuel gas welding is one fusion welding process where components are permanently joined together. Here heat is supplied by burning a suitable gaseous carbonaceous fuel with oxygen. Potential fuel oxy-fuel gas welding incudes acetylene, propylene, propane, MAPP (methylacetylene-propadiene propane) gas, and natural gas; however, acetylene (C2H2) is frequently used as it offers maximum flame temperature. Both the fuel and oxygen are stored separately in cylinders, and these are mixed in

Difference between arc welding and gas welding

Welding is one joining process where two or more components can be joined permanently with or without the application of heat, pressure, and filler metal. All welding processes can be broadly divided into two categories – fusion welding and solid-state welding. In fusion welding, heat must be applied to melt down the connecting surfaces of the parent component for coalescence or weld bead formation. In solid-state welding, no such melting

Difference between consumable electrode and non-consumable electrode

Arc welding is one type of fusion welding process where an electric arc is used to supply heat for melting the faying surfaces of the parent metal and also the filler metal. There are several arc welding processes namely Shielded Metal Arc Welding (SMAW), Gas Metal Arc Welding (GMAW), Gas Tungsten Arc Welding (GTAW), Flux Cored Arc Welding (FCAW), Submerged Arc Welding (SAW), Electroslag Welding (ESW), Carbon Arc Welding (CAW),

Difference between arc welding electrode and EDM electrode

An electrode acts as one of the two terminals of an electric circuit to establish the electrical connection. It is always made of electrically conductive material so that it can easily emit or receive electrons or ions. Based on the polarity, an electrode can be either anode or cathode. A cathode is considered as negatively charged electrode as it liberates electrons, while an anode is considered as positively charged electrode