PSI - Issue 23

Available online at www.sciencedirect.com Structural Integrity Procedia 00 (2019) 000 – 000 ScienceDirect Structural Integrity Procedia 00 (2019) 000 – 000 ScienceDirect Available online at www.sciencedirect.com

www.elsevier.com/locate/procedia

www.elsevier.com/locate/procedia

ScienceDirect

Procedia Structural Integrity 23 (2019) 475–480

© 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the scientific committee of the ICMSMF organizers © 201 9 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the scientific committee of the IC MSMF organizers. Key machinery compon nts used for diminishing, tran porting or pro ssing massive volumes of material in heavy dustries are severely exposed to combinati of differe t wear mechanisms, like abrasion nd surface fatigue. The microstructure and w ar properties of st te of the art iron b sed welding alloys s as surface protection do n t only depend on th nom nal ch mical mposition of the welding co sumables and their ma ufac uring route, but also on th base material, vari on in process technology and app ied welding parameters. Commonly use we r and hardness and t s r microstructural investiga ions are either cost and time consuming or do no provide a compl te unde standing about the material behavior of surface c atings exposed to c bined wear incl ding fatigue. Thus the aim of this study was to prove the concept of using ultrasonic fatigue testing as new method to understand and predict the behavior of welded surface coatings in a fast and reproduc ble way. Two flux cored wires from different manufacturing lines, but of the same nominal chemical composition were compared applying identical welding parameters. As a result, the two wires could be distinguished clearly by applying the ultrasonic fatigue test method. © 201 9 The Autho s. Publ shed by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) P er-review under esponsi ility of the scientific committee of th IC MSMF organizers. 9th International Conference on Materials Structure and Micromechanics of Fracture A method for evaluation of weld overlays exposed to combined wear and very high cycle fatigue conditions Golta Khatibi a * , Martin Kirchgaßner b , a Christian Doppler Laboratory for Lifetime and Reliability of Interfaces in Complex Multi-Material Electronics, CTA- TU Wien, 1060 Vienna, Austria b Castolin Gesellschaft mbH, A-2355 Wiener Neudorf, Austria Key machinery components used for diminishing, transporting or processing massive volumes of material in heavy industries are severely exposed to combinations of different wear mechanisms, like abrasion and surface fatigue. The microstructure and wear properties of state of the art iron based welding alloys used as surface protection do not only depend on the nominal chemical composition of the welding consumables and their manufacturing route, but also on the base material, variations in process technology and applied welding parameters. Commonly used wear and hardness and test or microstructural investigations are either cost and time consuming or do not provide a complete understanding about the material behavior of surface coatings exposed to combined wear including fatigue. Thus the aim of this study was to prove the concept of using ultrasonic fatigue testing as new method to understand and predict the behavior of welded surface coatings in a fast and reproducible way. Two flux cored wires from different manufacturing lines, but of the same nominal chemical composition were compared applying identical welding parameters. As a result, the two wires could be distinguished clearly by applying the ultrasonic fatigue test method. 9th International Conference on Materials Structure and Micromechanics of Fracture A method for evaluation of weld overlays exposed to combined wear and very high cycle fatigue conditions Golta Khatibi a * , Martin Kirchgaßner b , a Christian Doppler Laboratory for Lifetime and Reliability of Interfaces in Complex Multi-Material Electronics, CTA- TU Wien, 1060 Vienna, Austria b Castolin Gesellschaft mbH, A-2355 Wiener Neudorf, Austria Abstract Abstract Keywords: Weld overlay, iron based welding alloys, ultrasonic fatigue, wear, impact loading

Keywords: Weld overlay, iron based welding alloys, ultrasonic fatigue, wear, impact loading

* Corresponding author. Tel.: +0-431-58801-14117 E-mail address: golta.khatibi@tuwien.ac.at and Martin.Kirchgassner@castolin.com

2452-3216 © 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the scientific committee of the IC MSMF organizers. 2452-3216 © 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the scientific committee of the IC MSMF organizers. * Corresponding author. Tel.: +0-431-58801-14117 E mail address: golta.khatibi@tuwien.ac.at and Martin.Kirchgassner@castolin.com

2452-3216 © 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the scientific committee of the ICMSMF organizers 10.1016/j.prostr.2020.01.156