All Outputs (7)

Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components (2019)
Journal Article
Pieris, D., Stratoudaki, T., Javadi, Y., Lukacs, P., Catchpole-Smith, S., Wilcox, P. D., …Clark, M. (2020). Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components. Materials and Design, 187, Article 108412. https://doi.org/10.1016/j.matdes.2019.108412

© 2019 The Authors. Additive manufacturing (AM) has the capability to build complex parts with internal features, which have many advantages over conventionally manufactured parts. This makes AM an alternative for advanced manufacturing sectors. AM c... Read More about Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components.

A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition (2019)
Journal Article
Walker, T. R., Bennett, C. J., Lee, T. L., & Clare, A. T. (2020). A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition. Finite Elements in Analysis and Design, 169, https://doi.org/10.1016/j.finel.2019.103347

© 2019 Elsevier B.V. Direct Energy Deposition (DED) is being widely used to repair damaged components to increase service life and economical operation. Process parameters including laser power, traverse speed and the mass flowrate of the feedstock m... Read More about A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition.

Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging (2019)
Journal Article
Clark, M., Clare, A., Dryburgh, P., Li, W., Patel, R., Pieris, D., …Smith, R. (2019). Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging. AIP Conference Proceedings, 2102, Article 020001. https://doi.org/10.1063/1.5099705

© 2019 Author(s). Spatially resolved acoustic spectroscopy (SRAS) is an acoustic microscopy technique that can image the microstructure and measure the crystallographic orientation of grains or crystals in the material. It works by measuring the velo... Read More about Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging.

Spatially resolved acoustic spectroscopy for texture imaging in powder bed fusion nickel superalloys (2019)
Journal Article
Dryburgh, P., Patel, R., Pieris, D. M., Hirsch, M., Li, W., Sharples, S. D., …Clark, M. (2019). Spatially resolved acoustic spectroscopy for texture imaging in powder bed fusion nickel superalloys. AIP Conference Proceedings, 2102, Article 020004. https://doi.org/10.1063/1.5099708

© 2019 Author(s). There is a clear industrial pull to fabricate high value components using premium high temperature aerospace materials by additive manufacturing. Inconveniently, the same material properties which allow them to perform well in servi... Read More about Spatially resolved acoustic spectroscopy for texture imaging in powder bed fusion nickel superalloys.

Spheroidisation of metal powder by pulsed electron beam irradiation (2019)
Journal Article
Murray, J., Simonelli, M., Speidel, A., Grant, D., & Clare, A. (2019). Spheroidisation of metal powder by pulsed electron beam irradiation. Powder Technology, 350, 100-106. https://doi.org/10.1016/j.powtec.2019.03.041

A new powder spheroidisation process has been demonstrated using a large-area, pulsed electron beam technique. This was used to dramatically improve the surface morphology of Stellite 6 metal powder. Powder surface asperities up to 20??m size can be... Read More about Spheroidisation of metal powder by pulsed electron beam irradiation.

Spatially Resolved Acoustic Spectroscopy Towards Online Inspection of Additive Manufacturing (2019)
Journal Article
Pieris, D., Patel, R., Dryburgh, P., Hirsch, M., Li, W., Sharples, S., …Clark, M. (2019). Spatially Resolved Acoustic Spectroscopy Towards Online Inspection of Additive Manufacturing. Insight - Non-Destructive Testing & Condition Monitoring, 61(3), 132-137. https://doi.org/10.1784/insi.2019.61.3.132

High-integrity engineering applications such as aerospace will not permit the incorporation of components containing any structural defects. The current generation of additive manufacturing (AM) platforms yield components with relatively high level... Read More about Spatially Resolved Acoustic Spectroscopy Towards Online Inspection of Additive Manufacturing.

Direct-writing by active tooling in electrochemical jet processing (2019)
Journal Article
Mitchell-Smith, J., Bisterov, I., Speidel, A., Ashcroft, I., & Clare, A. T. (2019). Direct-writing by active tooling in electrochemical jet processing. Manufacturing Letters, 19, 15-20. https://doi.org/10.1016/j.mfglet.2019.01.001

Recent innovations in electrochemical jet processing have caused step changes in process flexibility and precision. However, utilisation of these innovations requires the development of new machine tool technology. Presented here is a new methodology... Read More about Direct-writing by active tooling in electrochemical jet processing.