transferred arc

transferred arc

[′tranz′fərd ′ärk]
(metallurgy)
In plasma arc welding, an arc established between the electrode and the workpiece.
References in periodicals archive ?
Today almost all screw manufacturers use a technique called plasma transferred arc (PTA) welding to apply hard-surfacing material to the screw flights.
Plasma Transferred Arc (PTA) welding and hardfacing process - a versatile method of depositing high quality metallurgically fused deposits on relatively low cost substrates.
Objective: The main goal of this project is the development of an industrial plug & play system for additive layer manufacturing which is based on a blown powder process using Plasma Transferred Arc (PTA) Technology.
Rather than coating a high-melting-point refractory metal onto copper, they have made a Refractory Metal Coated Copper foil, applied as a clad layer through plasma transferred arc melting.
Dies are realised by metallic projection of refractory alloys on a substrate with a Plasma Transferred Arc system (PTA) [3-5], and finished by high speed milling.
This regulation further provides that a substantial forfeit tire risk exists where rights in property that are transferred arc conditioned, directly or indirectly.
Abstract The present investigation focuses on the microstructure and the tribological properties of TiC/steel composite coatings obtained on 2205 duplex stainless steel (DSS) substrate, by using the plasma transferred arc technique.
The process of the plasma cutting of metal materials is based on a transferred arc, which means that an arc is established between a refractory electrode (- pole) and the piece to be cut (+ pole).
Some areas described are remanufacturing and automatic surface engineering technology, plasma transferred arc powder surfacing technology of thrust face, cerium- phytic acid passivation treatment on galvanized steel, supersaturated surface engineering S-phase materials, and preparation of epoxy modified organosilicone high-temperature resistance coatings.
The transferred arc melts the base material in a controlled manner and thereby produces an extraordinarily strong metallurgical bond between coating and the base material.
Alternative novel processing of the barrels by laser cladding or Plasma Transferred Arc (PTA) deposition, to produce compositional gradients along their lengths, especially in twin-screw barrel configuration.
In the investigation [2] the microstructure and erosion-corrosion behavior of a Fe-Cr-C overlay (Fe Cr C-matrix) produced by plasma transferred arc welding and its metal matrix composite (Fe Cr C-M M C) were assessed.