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New article from Oxford Materials: authors.elsevier.com/a/1Y6D2x-7haJAn on in situ study of damage development in a needle-stitched ceramic matrix composites

@RockSquasher Diamond Light Source Have a plan A, a plan A2, A3, Plan B, Plan B2..! Organise shifts for the team. Oh and coffee. Lots of coffee!

Do you recall the teeny-tiny fatigue crack we tweeted a little while ago? It's grown..... Diamond Light Source Oxford Materials

It moves!! This is the unique rig Oxford Materials is using to grow a fatigue crack and record high resolution tomographs Diamond Light Source

@mmostafavi1 Not quite, but we've given it 250,000 cycles and it's not budged (yet) - that's the power of fatigue crack closure for you!

300000 more fatigue cycles and a bit more load, but we overcame 'closure'. Can you spot the difference? Oxford Materials Diamond Light Source

A quick visualisation of the fatigue crack we've nurtured over the past few days. Now for the analysis! Oxford Materials Diamond Light Source 😫

@mmostafavi1 Diamond Light Source James Marrow it's been great to share this unique beamline with University of Bristol team (& Tim from University of Portsmouth)

⚡️ “The little crack that could - fatigue testing on I12” x.com/i/moments/8401…

Furnace and neutron source problems... morale dropping?Oxford Materials Science and Technology Facilities Council. Science is tough, but Donuts could be the solution

#nuclear graphite at 850C, being slow loaded to investigate its strength. The donuts helped! Oxford Materials with Science and Technology Facilities Council #neutrons

Graphite cracking up at 850C. Measuring how it takes the strain with #neutrons and image analysis. Oxford Materials Science and Technology Facilities Council

New, simple FE-based method to calculate J-integral of a crack from an experimental surface displacement field springer.com/-/3/AVtkSALYX4…

#RobotWars Diamond Light Source ? No, we're investigating the toughness of natural biomaterials with #xray #tomography

Very clear report by #HouseofLords on critical need for UK Government decision on the future of #nuclear energy tinyurl.com/maseerc

There is a crack, a crack in everything.... g.co/kgs/Jnq5uk x.com/mmostafavi1/st…

Just heard that John Knott (royalsociety.org/people/john-kn…) has passed away. He had a profound effect on my career, and will be greatly missed.

Team from Oxford Materials back Diamond Light Source for another experiment on i12. We’re watching how cracks grow between the sheets in carbon-fibre composite for aerospace. We want to know how to make it tougher. Our loading rig (beige cylinder thing) is in front of the camera

Using x-ray radiographs Diamond Light Source to see the crack, which we’ll tomograph in 3D. Here’s one (just a mobile phone photo of the screen!). The sample is 0.5 mm thick, and we’ll grow the crack in steps of 40 um (less than the thickness of a human hair). Oxford Materials