LEAP 5000XR
Ni-superalloy for gas turbines applications, studying phase partitioning/interfaces
Local Electrode Atom Probe (LEAP) 3000HR
3D ion maps reconstructed from APT data for Y, Y-O and Hf-O core-cluster ions in a ODS Fe-14Cr alloy containing Hf.
3D ion maps from HT9 alloy Fe ion irradiated to 10dpa at 470oC. 2.0 at% Ni isosurfaces highlighting Ni segregation to the high and low angle grain boundaries and dislocation lines present in the analised volume.

Variations in hardness of the 17-4PH with heat treatment time at 480 °C and 590 °C.
Atom maps of 17-4PH heat treated for 20 min at 590 °C.Atom maps of 17-4PH heat treated for 24 h at 590 °C.

Direct observation of trapped isotopic hydrogen within a ferritic steel containing vanadium-carbide. As can be seen from the top-down and side slices, heavy hydrogen atoms (2H) are correlated to the carbide positions.
  • LEAP 5000XR
  • Ni-superalloy for gas turbines applications, studying phase partitioning/interfaces
  • Local Electrode Atom Probe (LEAP) 3000HR
  • 3D ion maps reconstructed from APT data for Y, Y-O and Hf-O core-cluster ions in a ODS Fe-14Cr alloy containing Hf.
  • 3D ion maps from HT9 alloy Fe ion irradiated to 10dpa at 470oC. 2.0 at% Ni isosurfaces highlighting Ni segregation to the high and low angle grain boundaries and dislocation lines present in the analised volume.
  • Variations in hardness of the 17-4PH with heat treatment time at 480 °C and 590 °C.Atom maps of 17-4PH heat treated for 20 min at 590 °C.Atom maps of 17-4PH heat treated for 24 h at 590 °C.
  • Direct observation of trapped isotopic hydrogen within a ferritic steel containing vanadium-carbide. As can be seen from the top-down and side slices, heavy hydrogen atoms (2H) are correlated to the carbide positions.

News

We are welcoming the arrival of Mateusz Chmiel to the Atom Probe group. We all wish you a nice stay and best luck on your project!

The work ‘Understanding corrosion and hydrogen pickup of Zr nuclear fuel cladding alloys- the role of oxide microstructure, porosity, suboxide and SPPs’ has been awarded The John H. Schemel Best Paper Award at the 18th ASTM International Symposium on Zirconium in the Nuclear Industry, held in South Carolina (USA) in May 2016

Tianci Zhang, visiting student from Tsinghua University, is departing after her 6 month stay. Best wishes from every group member!



Atom Probe Group

07 Jul 2017

Farewell to Tianci Zhang


Tianci Zhang, visiting student from Tsinghua University, is departing after her 6 month stay. Best wishes from every group member!

Tianci Zhang, 2nd year D Phil student from the Materials School at Tsinghua University (Beijing, China) has been working in the Atom Probe Group as Recognised Student from January to July 2017. In her project, 'Study of irradiation and annealing properties on reactor pressure vessels of high temperature gas-cooled reactors', she has used atom probe tomography to complete the characterisation of her samples as part of her D Phil research work.

It was a pleasure to have Tianci as a group member and we all wish her best luck in the future.