Baumgärtner, S.

Commin, L.

Dafferner, B.

Heger, S.

Rieth, M.

Ziegler, R.

English

KITopen

KIT – University of the State of Baden-Wuerttemberg and National Research Center of the Helmholtz AssociationINSTITUTE FOR APPLIED MATERIALS, APPLIED MATERIALS PHYSICSwww.kit.eduW-laminates for structural divertor applications: W-Ti laminatesM. Rieth1, L. Commin1, B. Dafferner1, S. Heger1, S. Baumgärtner1, R. Ziegler11 Karlsruhe Institute of Technology, Institute for Applied Materials, Germany Principle investigator: M. RiethWP13-MAT-HHFM-03-04 ; working period: - Feb.2013Institute for Applied Materials, Campus North, KIT2 J. Reiser, IAM-AWP, KITContent06.12.2013W-Ti laminatesCharpySEMAugerOutlook: 1000 h / 1000°CInstitute for Applied Materials, Campus North, KIT3 J. Reiser, IAM-AWP, KITMain question06.12.2013Is it possible to expand the ductile properties of a W-foil to the bulk?10 mmKLST3 x 4 x 27 mm3?Institute for Applied Materials, Campus North, KIT4Can the ductile properties of a W-foil be transferred to the bulk?As-received: improvement of 300°CJ. Reiser, IAM-AWP, KITW-laminates: Charpy impact tests06.12.2013300°CW-laminate made of AgCuInstitute for Applied Materials, Campus North, KIT5 J. Reiser, IAM-AWP, KITW-laminates: Charpy impact tests06.12.2013Can the ductile properties of a W-foil be transferred to the bulk?As-received: improvement of 300°CRecrystallized: improvement of 500°CW-laminate made of AgCu300°C500°CInstitute for Applied Materials, Campus North, KIT6 J. Reiser, IAM-AWP, KITW-laminates: diffusion bonding with Ti06.12.2013W-Ti diffusion bonding at 900°C2 solid solutions after cooling downDiffusion: W in Ti > Ti in WPhase boundariesMiscibility gapW-Ti phase diagram (inter-) diffusion coefficients at 900°C Interface, 900°C:0 s, 1 h P. Franke (KIT) P. Franke (KIT)Institute for Applied Materials, Campus North, KIT7 J. Reiser, IAM-AWP, KITW-laminates: diffusion bonding with Ti06.12.2013W-Ti diffusion bonding at 900°C  cooling down at RTWTi2 µm2 µmTi1 2 µmSEM 1.3WTiEutectoid transformationWIDMANSTÄTTEN-kind structureW needles in a-Ti matrixQuantitative scale of Ti: yellow = max., black = min.Institute for Applied Materials, Campus North, KIT8Charpy impact propertiesImprovement of 200°C compared to W-plate materialJ. Reiser, IAM-AWP, KITW-laminates: diffusion bonding with Ti06.12.2013200°CW-AgCuW-plateW-Ti300°C1050°CInstitute for Applied Materials, Campus North, KIT9 J. Reiser, IAM-AWP, KIT06.12.2013Thank you for your attentionThe authors are grateful to

W-laminates for structural divertor applications: W-Ti laminates

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W-laminates for structural divertor applications: W-Ti laminates

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