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Metal-Diamond Composites

Metal-Diamond Composites. E. Neubauer. Task I: Optimisation of Material Composition/Processing. Table 1: Material properties realized in „lab-size“ by PM process. Task II: Optimisation of Thermal Stability of Metal-Diamond. Task III: Processing of large plates. Direct heated hot pressing

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Metal-Diamond Composites

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  1. Metal-Diamond Composites E. Neubauer

  2. Task I: Optimisation of Material Composition/Processing Table 1: Material properties realized in „lab-size“ by PM process

  3. Task II: Optimisation of Thermal Stability of Metal-Diamond

  4. Task III: Processing of large plates Direct heated hot pressing • Expected installation of Dr. Fritsch hot press in August/2009 • Heating rate: up to 400 K/min • Max. temperature: 2.400°C • Size: 200mmx200mm (250mmx250mm)

  5. Task IV: Uniformity of Material Properties on large plates Local Thermal Analyses of Al-diamond composites Al-Diamond system is very sensitive to T-t in processing Al-Diamond composite • 270 +/- 20 mm²/s • 500 – 600 W/mK

  6. Task V: Shaping/Surface Finishing Good surface quality can be realised by: • preparation of sandwich structures • or bi-layer structures “Machining/Cutting” of composites is possible by: • Water Jet Cutting • Laser Cutting • Electro Discharge Machining 6

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