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How to Download ISO 17635:2010 for Free
ISO 17635:2010 is an international standard that specifies the general principles for non-destructive testing of metallic materials subjected to welding. It covers the terms and definitions, personnel qualification, methods and techniques, acceptance criteria, and documentation for non-destructive testing.
If you want to download ISO 17635:2010 for free, you can use the following link[^1^] that provides a sample of the standard in PDF format. However, please note that this sample is not a complete document and may not be used for any purpose other than previewing the content and scope of the standard.
If you want to access the full version of ISO 17635:2010, you will need to purchase it from an authorized seller or a national standards body. You can find a list of these sources on the official ISO website. Alternatively, you can also subscribe to an online service that provides access to a collection of standards for a fee.
ISO 17635:2010 is applicable to all types of welded joints made from metallic materials, such as steel, aluminum, copper, and titanium. It covers both fusion welding and solid-state welding processes, such as arc welding, laser welding, friction stir welding, and ultrasonic welding. It also applies to both manual and automated welding operations.
The standard provides guidance on how to select the appropriate non-destructive testing method and technique for a given welded joint, depending on the material, the welding process, the geometry, the quality requirements, and the inspection objectives. It also specifies the minimum requirements for the qualification and certification of personnel who perform non-destructive testing of welded joints.
Non-destructive testing is an essential part of quality control and assurance in welding. It helps to verify the integrity and performance of welded joints without causing any damage or alteration to the material. It can also detect defects and discontinuities that may affect the safety and reliability of welded structures and components.
Some of the most common non-destructive testing methods and techniques for welded joints are:
Visual testing: This involves inspecting the surface appearance of the welded joint with the naked eye or with optical aids, such as magnifying glasses, mirrors, or cameras. It can reveal defects such as cracks, porosity, lack of fusion, undercut, distortion, and spatter.
Liquid penetrant testing: This involves applying a liquid with high surface wetting ability to the surface of the welded joint and then removing the excess liquid. The liquid penetrates into any surface openings and remains there. A developer is then applied to draw out the liquid from the openings and make them visible as indications on the surface.
Magnetic particle testing: This involves magnetizing the welded joint and then applying fine magnetic particles to the surface. The particles are attracted to any magnetic leakage fields that are caused by discontinuities in the material. The particles form visible patterns on the surface that indicate the location and shape of the defects.
Ultrasonic testing: This involves sending high-frequency sound waves into the welded joint and then receiving the reflected or transmitted waves. The sound waves are affected by any changes in the acoustic properties of the material, such as density, elasticity, or geometry. The variations in the sound waves can be displayed as signals on a screen or a recorder and interpreted by an operator.
Radiographic testing: This involves exposing the welded joint to a source of ionizing radiation, such as X-rays or gamma rays, and then recording the image of the transmitted radiation on a film or a digital detector. The radiation is attenuated by the material according to its thickness and density. Any defects or inclusions in the material will appear as darker or lighter areas on the image.
Eddy current testing: This involves inducing an alternating electric current in the welded joint and then measuring the changes in the induced current caused by any variations in the electrical conductivity or magnetic permeability of the material. The changes in the current can be displayed as signals on a screen or a recorder and interpreted by an operator. 061ffe29dd