Antusch, S.

Hoffmann, J.

Klein, A.

Rieth, M.

Walter, H.

Weingaertner, T.

KITopen

KIT – University of the State of Baden-Wuerttemberg and  National Research Center of the Helmholtz Association INSTITUTE FOR APPLIED MATERIALS www.kit.edu  Steffen Antusch*, Jan Hoffmann, Alexander Klein, Michael Rieth, Heinz Walter, Tobias Weingaertner Progress in W alloy development and mass fabrication  EFPW 2015, NOV 29TH – DEC 2ND, BLED, SLOVENIA 2 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   Powder Injection Molding @ KIT    Mass fabrication of tungsten parts     Development of new materials    Summary Outline 3 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   Powder Injection Molding @ KIT    Mass fabrication of tungsten parts     Development of new materials    Summary Outline 4 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Powder Injection Molding    @ Metal Injection Molding (MIM) Ceramic Injection Molding (CIM) MANUFACTURING TECHNOLOGY 5 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Al2O3 ZrO2 Smallest ZrO2 gear wheel of the world:  outer-∅ 275 µm  Copper Tungsten Steel Titanium Ceramic Powder Injection Molding    @ 6 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Tungsten Powder Injection Molding @ Mass production of components Material development Time & cost effective  near-net-shape forming process  Shape complexity & high final density Tailoring new materials & Investigation of properties 7 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   Powder Injection Molding @ KIT    Mass fabrication of tungsten parts     Development of new materials    Summary Outline 8 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Mass fabrication of tungsten parts                   …The PIM process for tungsten developed  @  9 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Mass fabrication of tungsten parts                   …Tolerances…  10 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia (41 x 41 x 15) mm³ (77 x 77 x 25) mm³ (41 x 41 x 15) mm³ with shaping various Ø (77 x 77 x 25) mm³   (~1.4 kg):       4 parts/hour (41 x 41 x 15) mm³   (~0.25 kg):   15 parts/hour (34 x 41 x 15) mm³   (~0.24 kg):   27 parts/hour Mass fabrication of tungsten parts …Dimension of green-parts…  Dimension & Quantity 11 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia (60 x 60 x 20) mm³  (32 x 32 x 12) mm³  (32 x 32 x 12) mm³ with shaping  (26 x 32 x 12) mm³  (26 x 26 x 12) mm³  (24 x 22 x 4) mm³    ...+ various Ø and position of the hole… Mass fabrication of tungsten parts …Dimension of finished parts…  12 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 Mass fabrication of tungsten parts …W monoblocks - various size and shape - assembly to a component…  13 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 3 PIM (pure W) samples + 1 PLANSEE reference sample produced and delivered to IPP Garching by KIT in April 2015 Mass fabrication of tungsten parts …W PIM samples for ASDEX Upgrade…  14 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 22 samples of pure W for PSI-2 produced and delivered to FZ Juelich by KIT begin of November 2015   See talk of Bernhard Unterberg 10 10 3 2 1 [mm] The PSI-2 linear plasma device at Juelich* * http://www.fz-juelich.de/iek/iek-4/EN/Research/02_Linear_plasma_devices/artikel_2014.html?nn=668414 Mass fabrication of tungsten parts …W PIM samples for plasma-wall interaction…  15 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 2 prototype samples for HHF tests in GLADIS produced and delivered to CEA by KIT in September 2015  Production of a series of 60 Langmuir probes in progress  WEST: Langmuir probes (pure W) Device to determine the electron temperature, electron density, and electric potential of a plasma. Mass fabrication of tungsten parts …W PIM samples for WEST…  16 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   Powder Injection Molding @ KIT    Mass fabrication of tungsten parts     Development of new materials    Summary Outline 17 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   W (PIM)    W PLANSEE (rolled) 400 °C High strength in rolling direction Same strength in all directions  Fully ductile @ 200 °C Fracture Development of new materials …Mechanical testing via 4-PB tests  from 20 °C to 400 °C…  Sample geometry: (12 x 1 x 1) mm Constant strain rate: 0.0330 mm/min 18 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 W-Plansee (rolled)   EBSD texture of rolled tungsten (Plansee): (A) in rolling direction; and (B) perpendicular to the rolling direction. The beneficial material properties - e.g. high strength, bending toughness - are only achieved in the rolling direction. EBSD texture of W PIM: (C), the material is fully anisotropic.   C Development of new materials …Texture analysis via EBSD…  W-PlM   19 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia HV (150 kV)diagnostics:infrared camerapyrometervideocathodebeam generatorx-y deflectioncoilsclampingholdercooledsampledoorcoolingcircuitcross tablevacuum system:turbomolec. pumpfree air capacity:2200 l/selectronbeamvacuum camberJUDITH-1 2 mm FWHM         = 1 mm fx & fy in the kHz range Total power: 60 kW Acceleration voltage: 120 kV Development of new materials …Thermal shock testing with e-beam  in JUDITH-1…  Courtesy of G. Pintsuk (FZJ)  20 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia W PLANSEE  (single forged) W  (PIM) # T [°C] Pabs [GW/m2] Δt [ms] Eabs [MJ/m2] FHF [MW/m2*s1/2] # shots C 1000 0.38  1 0.38 12 1000 Courtesy of G. Pintsuk (FZJ)  Note the different scale markers ! Development of new materials …Thermal shock tests via e-beam @ JUDITH-1…  21 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia Development of new materials … Mechanical testing via 4-PB tests from 20 °C to 400 °C …  Ductile @ 200 °C 300 °C 400 °C Transgranular crack @ RT EBSD of the notch Grain size Pure W: 50 – 100 µm W-1TiC: 4 – 6 µm W-2Y2O3: 4 – 8 µm Sample geometry: (12 x 1 x 1) mm Constant strain rate: 0.0330 mm/min AES: Microstructure & element allocation 22 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia Development of new materials … Thermal shock tests via e-beam @ JUDITH-1 …  T [°C] Pabs [GW/m2] Δt [ms] Eabs [MJ/m2] FHF [MW/m2*s1/2] # shots 1000 0.38  1 0.38 12 1000 Courtesy of G. Pintsuk (FZJ)  23 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015   Powder Injection Molding @ KIT    Mass fabrication of tungsten parts     Development of new materials    Summary Outline 24 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015  Mass production of near-net-shape parts (~ 20 Monoblocks / hour) via PIM @ KIT  Brittle to ductil transition for pure PIM W at 200 °C (low strain rates)  No porosities or cracks, high density (better than 99 % T.D.)  No recrystallisation – possible grain growth at very high temperatures only  Fully anisotropic material properties  High thermal shock resistance  PIM is an ideal tool for rapid material development  (oxide and carbide doped tungsten)  Further projects with FZJ and IPP Garching: Wf/W  and self passivated W    See talk of Jan Coenen Summary 25 Steffen Antusch                        W PIM @ KIT                   EFPW 2015, Nov 29th – Dec 2nd, Bled, Slovenia 01.12.2015 THANK YOU VERY MUCH! 

Progress in W alloy development and mass fabrication

https://publikationen.bibliothek.kit.edu/230103396/3816988

Progress in W alloy development and mass fabrication

Abstract

Similar works

Full text

Available Versions

KITopen