Pitting Corrosion in ships
Pitting corrosion is a localized form of corrosion by which cavities or holes are produced in the material. Pitting is considered to be more dangerous than uniform corrosion damage because it is more difficult to detect, predict and design against.
In this article, we discuss general explanations about pitting corrosion in ships.
Destructive tests used in the weld verification process
In many standards related to the preparation of welding documents, the destructive tests discussed in this article can be used to verify a WPS. This article provides a brief description of the types of destructive tests used in the WPS & it’s supporting PQR.
TIG Welding (GTAW) Process
Gas tungsten arc welding (GTAW) is a process in which the joining of metals is produced by heating therewith an arc between a tungsten (non-consumable) electrode and the work with a TIG welding machine.
Electrode Polarity in ARC Welding
Arc welding is one type of fusion welding process where base metals are fused by applying heat in order to form coalescence. Required heat is supplied by an electric arc constituted between positive and negative terminals of an electric circuit inbuilt with a power source. For welding purpose work metal is made one terminal and the electrode is made another, and thus arc constitutes in between them in the external circuit.
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