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NDT & Lead Auditor

What Is Nondestructive Testing?


Nondestructive testing is, simply stated, exactly what its name implies - testing without destroying - to investigate the material integrity of the test object. More specifically, a nondestructive test is an examination of an object, material or system in any manner, which will not impair its future usefulness. The purpose of the test may be to detect internal or external flaws, to measure geometric characteristics, to determine material structure or composition or to measure or detect some of the material's properties. A number of other technologies - for instance, radio astronomy, voltage and amperage measurement and rheometry (flow measurement) - are nondestructive but are not used to evaluate material properties specifically. Nondestructive testing is concerned in a practical way with the performance of the test piece - how long may the piece be used and when does it need to be checked again?

Since the 1920s, nondestructive testing has developed from a laboratory curiosity to an indispensable tool of production. No longer is visual examination the principal means of determining quality. Nondestructive tests in great variety are in worldwide use to detect variations in structure, minute changes in surface finish, the presence of cracks or other physical discontinuities, to measure the thickness of materials and coatings and to determine other characteristics of industrial products. Manufacturers use modern nondestructive tests to:


• Ensure product integrity, and in turn, reliability
• Avoid failures, prevent accidents and save human life
• Make a profit for the user
• Ensure customer satisfaction and maintain the manufacturer's reputation
• Aid in better product design
• Control manufacturing processes
• Lower manufacturing costs
• Maintain uniform quality level
• Ascertain operational readiness


Lead Auditor


Most publicly traded corporations typically have an internal auditing department, led by a Chief Audit Executive ("CAE"), with lead internal auditors managing small teams of internal auditors for one audit engagement. Lead auditor is a position between senior auditor and head of division.

In public accounting firms, a lead auditor for an audit engagement is usually chosen from among the senior auditors.


Certified lead auditor


The certified lead auditor designation is a professional certification for audit team leaders working for certification bodies or performing supplier audits for large organizations. Lead auditor certification requires tertiary education plus some work experience as an auditor or lead auditor in training.


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