E7 - New Strain Scanner at HMI - High Q-Resolution for Phase-Sensitive Analysis of Stress Distributions

Florian Henkel; Ulrike Hermeking-Goebel; Peter Lemke; Thomas Wilpert; Christian Pietsch; Rainer Schneider

doi:10.4028/www.scientific.net/MSF.524-525.205

Paper Titles

Experimental and FEM Analysis of Cutting Sequence on Residual Stresses in Machined Layers of AISI 316L Steel
p.179

Effect of Residual Stresses on Mechanical Properties of Duplex Stainless Steel Studied by Diffraction and Self-Consistent Modelling
p.185

The Materials Science Beamline EDDI for Energy-Dispersive Analysis of Subsurface Residual Stress Gradients
p.193

Design of Engineering Diffractometer at J-PARC
p.199

E7 - New Strain Scanner at HMI - High Q-Resolution for Phase-Sensitive Analysis of Stress Distributions
p.205

The New Materials Science Diffractometer STRESS-SPEC at FRM-II
p.211

SALSA: Advances in Residual Stress Measurement at ILL
p.217

The New and Upgraded Neutron Instruments for Materials Science at HMI - Current Activities in Cooperation with Industry
p.223

Review of Residual Stress Determination and Exploitation Techniques Using X-Ray Diffraction Method
p.229

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E7 - New Strain Scanner at HMI - High Q-Resolution for Phase-Sensitive Analysis of Stress Distributions

Abstract:

A large distance between the reactor core and the monochromator together with a take-off angle of 90° leads to low flux but high angular resolution of the diffractometer around 90° scattering angle. The sample-table consists of two goniometers for heavy loads. An x-y-z table for heavy loads can be mounted, as well as different eulerian cradles, a mirror furnace or a tensile rig. The detector is a 20x20cm2 position sensitive delay-line detector made by EMBL. A sophisticated primary and secondary slit system together with the recently installed high-resolution camera system allows the application of the high precision instrument alignment and calibration system recently developed at HMI. Here some special features of the instrument are presented and the consequences are outlined.