Special Interest Group Meeting: Advancing Precision in Additive Manufacturing

Tutorial

Tutorial: Non-destructive testing for additive manufacturing

Tuesday 21st September 2021
Time: 09:00 – 12:30 (CEST)

The tutor is Dr Ben Dutton, Manufacturing Technology Centre (MTC), UK

The tutorial focuses on the non-destructive testing advances for Additive Manufacturing from typical methods such as X-ray CT to novel/emerging like RAM & PCRT and some of their progress on PoD.

It is necessary to increase the quality assurance for Additive Manufacturing (AM), in particular for critical applications. Non-destructive testing (NDT) is an important tool to assess such level of quality without the need to destroy the part. AM parts are a challenge for NDT due to inherent freedom to manufacture complex shapes, which typically have a rough surface finish. AM industrial processes usually rely on post-built NDT, typically X-ray Computed Tomography (XCT). However, emerging NDT methods, such as RAM and PCRT, are showing potential to inspect AM parts, with the benefit to reduce inspection cost and time by reducing or eliminating the amount of XCT. An overview of these methods along with their Probability of Detection (PoD) will be covered in this tutorial.

Tutorial Outcome:
Provide a good level of understanding and limitation of XCT and novel NDT methods for AM inspection.

Intended for:
The tutorial is aimed at graduates, postgraduate engineers/physicists, post-doctoral researchers, scientific managers in addition to anyone in Industry dealing with NDT.

Biography

Dr Ben Dutton is an NDT Technical Specialist with 17 years’ experience. He possesses a valuable combination of academic and industrial experience with proven expertise in integrating design and manufacturing functions. His PhD was in laser ultrasound and EMAT’s, but through his professional career he has gained experience in most NDT methods. At the MTC, he is leading projects where in-situ inspections are required for PBF, DED, laser welding and laser peening. He is also very active in post-build NDT inspection projects mainly for AM, and leads the quality for AM strategy at the MTC. He has lead and participated in projects where novel out of the box NDT methods are needed covering a number of sectors: Aerospace, Space, Automotive, Transportation and Medical. He is leading the development several international NDT standards for AM. Finally, he leads the ASTM AM Center of Excellence team at the MTC.

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