| Abstract | The strength and formability of materials depend on the distribution and scale of precipitating phases, on the grain size and grain orientation distribution, on the distribution and scale of flaws and on the presence of residual stresses. Neutron scattering methods provide unique data to guide the development of improved materials and processes. Of particular interest are in situ experiments; such experiments are uniquely suited to neutron diffraction because of the high penetrating power of neutrons, which allows data to be collected from materials subjected to realistic conditions in specialized sample environments. In this paper, we illustrate the application of neutron diffraction to study 1) the behaviour of a TRIP steel under uniaxial loading and 2) the evolution of the microstructure of a plain carbon steel during gas tungsten arc welding. |
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