The focus of this article is to briefly discuss common causes of failure and provide a deep insight into techniques used for failure investigation of metals. A comprehensive understanding of the material behavior and methods to evaluate metal properties will help to investigate the failure and provide sound recommendations to avoid future recurrence.View and Download PDF
Determining the root cause of the failure is often the fundamental part of a failure investigation. Several factors including, material or manufacturing defect, installation error, product misuse, or product wear can result in a failure. A failure analyst uses a wide range of tools and tests to collect evidences needed to make conclusions regarding root cause(s) of failure.View and Download PDF
Welding requires skill. Determining “how to weld” requires knowledge regarding the materials being welded and welding process, among numerous other factors. Because of huge number of variables involved, the knowledge of the welding engineer and the skill of the welder need to be validated by a series of tests. All this information is documented on Welding Procedure Specification (WPS), Procedure Qualification Record (PQR), Welding Procedure Qualification Record (WPQR), and associated Test Reports.View and Download PDF
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