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The Barkhasuen Noise Measurements.: Good Practice Guide.
(Manufacturing and Metrology Systems)ORCID iD: 0000-0003-3056-781X
RISE.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Processing.
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2018 (English)Book (Refereed)
Abstract [en]

The KTH Royal Institute of Technology (Stockholm, Sweden) as a project leader allowed strengthening collaboration between academic and industrial experts in the field of non-destructive testing (NDT), machining and metrology. This scientific consortium had found an efficient way for scientific collaboration, in which we conducted many experiments, meetings, and talks on the project’s research subject. This book is a result of all the mentioned activities and more. Many experts from both sides actively participated in the creation of this guide and are listed in the list of contributors.

The authors hope that after reading this guide, BN measurements can be carried out more systematically, with higher accuracy, traceability and lower uncertainty. The authors do not aim to replace a whole raft of good textbooks, operator’s manuals, specifications, and standards (if they exist); rather, they want to present an overview of good practices and techniques. These recommendations are also a result of many discussions conducted by the project team members during the project’s duration.

The book is divided into two parts. The first part of the book, “Measurement Good Practice Guide”, presents a comprehensive overview of the Barkhausen noise (BN) measurement method used to describe and analyze different features of ferromagnetic materials, such as residual stress level, hardening depth, among others. The primary focus is on mechanical parts for the automotive industry, in particular, the camshaft and crankshaft. The good practice guide is intended for those who need to make BN measurements but are not necessarily trained to use this method or are still not comfortable about measurement itself. By reading this guide, one can gain basic knowledge regarding good practices for making magnetic measurements with the BN method. Based on a few principles and tips from good practices, the reader will be able to create a Standard Operating Procedure (SOP) for their purpose. SOPs for BN are presented in the appendices.

The second part of the book “Qualification and Certification of Personnel” presents requirements of the personal certification for Barkhausen testing and is aligned with applicable standards. The authors recommend performing internal and external certification of personnel to do achieve more conscious and reliable measurements.

This book has been prepared by the scientific consortium under the research project FFI OFP4p – Non-Destructive Characterization Concepts for Production, 2015–2018 co-founded in 50% by VINNOVA, Sweden’s innovation agency. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2018, 1. , p. 103
Keywords [en]
Barkhausen noise, hardening depth, microstructure
National Category
Manufacturing, Surface and Joining Technology
Research subject
Materials Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-260488ISBN: 978-91-7729-978-3 (print)OAI: oai:DiVA.org:kth-260488DiVA, id: diva2:1355676
Projects
FFI OFP4p Non-destructive characterization concepts for production. No. 2015-03721
Funder
Vinnova, 2015-03721Available from: 2019-09-30 Created: 2019-09-30 Last updated: 2019-09-30

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