The previous article (127) explained the basic principles of ultrasonic examination. As to determine accurately the size and position of a feature it is necessary, with any measuring equipment, to calibrate the ultrasonic examination system. The type of calibration blocks (there are varying shapes and sizes to be used), depend on the application and the
Weldability – Metallic Materials – General Principles For many people in the welding industry, the term or concept of weldability has got different meanings. The volume of source material covering the topic, in various degrees of complexity, is also vast and is continuously expanding due to the amount of research being conducted covering welding technology, materials
Focus on Standards – ISO/TR 581:2005 Read More »
Introduction Phased array (PAUT), an advanced method of ultrasonic testing (UT), is widely used for non-destructive testing (NDT) in several industrial sectors, such as construction, pipelines, and power generation. This method is an advanced NDT method that is used to detect discontinuities i.e. cracks or flaws and thereby determine component quality. A Brief History of
Phased Array Ultrasonic Testing (PAUT) for NDT Inspection, repair and plant monitoring Read More »
The 2019 SAIW Welder Challenge competition, which was held from 14-18 January 2019, went off with a bang with more than twenty participants from many parts of the country displaying a skill level unprecedented in this competition. “It once again proved to be the foremost skills test for young welders in South Africa,” says SAIW
SAIW 2019 Welding Challenge standard the highest ever Read More »
Welding Inspectors curriculum to again fully include the iconic SAIW Levels 1 and 2 In the last few years, following a decision to focus more on the internationally recognised International Institute of Welding’s (IIW) IWIP Basic, Standard and Comprehensive programmes,the SAIW removed the SAIW Inspectors Level 1 course from its curriculum while SAIW Inspectors Level
Major Improvement to SAIW Flagship Programme …. Read More »
Global leader in the development and manufacture of guided wave solutions Introduction There has been quite an interest in Guided Wave Technology of late and Fusion invited well-known supplier, Guided Ultrasonics, to explain the technology. Established in 1999, Guided Ultrasonics Ltd. (GUL) has been at the forefront of guided wave technology for pipe testing. Since
An Introduction to Guided Wave Technology Read More »
Ultrasonic Examination Part 1 Ultrasonic examination uses the same principles as the sonar used for the detection of submarines – a sound wave is emitted from a transmitter, bounces off any objects in its path and is reflected back to a receiver, somewhat similar to shining the beam of a torch at a mirror. Knowing
The SAIW is continuously looking to provide the market with courses that are pertinent to the ever-changing conditions in the welding industry. The following two courses answer specific needs confronting our industry at the present moment. Piping Inspectors Course The South African Pressure Equipment Regulations (PER) requires that new and in-service pipelines are categorized and
The latest figures released by Statistic SA in July 2018, indicated that the current unemployment rate in South Africa is 27,2%, and the percentage of young persons aged 15–24 years who were not in employment, education or training is a staggering 31,6%. So, in these times of economic uncertainty, finding something that will almost certainly
NDT – A Very Viable Career Choice Read More »
Institute Gold Medal Award for 2018 The Institute’s Gold Medal Award, introduced in 1966, is the SAIW’s highest Award and is made to a company or an individual in recognition of outstanding contributions to welding technology or to the Institute. The nominees for the SAIW Gold Medal Award were: Babcock Matla. The nomination was for
All the 2018 Awards Read More »
