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Measuring fracture resistance behaviour of tungsten using chevron-notched micro-cantilevers

Abstract:

The fracture properties of tungsten-tantalum alloy (W-1%Ta), one of the candidate material for the plasma facing components in proposed fusion reactor design, were investigated using microscale chevron-notched cantilever bending tests at both ambient and high temperature (700 °C) conditions.

Finite element analysis (FEA) were used to optimise the crack stability of the chevron notch design and obtain the geometry-dependent stress-intensity factors (SIFs) and stiffness vs. crack len...

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Division:
MPLS
Department:
Materials
Role:
Author

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Supervisor
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Supervisor
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
UUID:
uuid:77e64b5a-fa2d-4406-81a7-e058232ae1f3
Deposit date:
2018-05-21

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