Arafat ppt
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The document discusses nano materials, which are materials with grain sizes on the order of 10-9 meters. Nano materials exhibit unique chemical and physical properties such as high strength, toughness, ductility, and thermal conductivity. Some applications of nano materials include bio-medical devices, aerospace components, high power magnets, paints, pigments, and cutting tools. Nano materials have created high interest in recent years due to their novel properties and wide range of potential applications.
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Arafat ppt
- 2. Why nano materials ? 2 New products 1 New technologies 3 New in market 4 Financial rewards
- 3. What are nano materials? Nano particles has a grain size at the order of 10 power -9 1 They are chemicaly very active materials 2 They are stronger and more ductile material. 3
- 4. Benifits of Nano materials Reduced energy cost & reduced thermal conductivity1 It has high strength ,toughness& ductility 2 It has high chemical,mechanical&physical properties.3
- 5. Applications 1 Bio-medical devices. 2 Aerospace components. 3 High power magnets. 4 Paints & pigments. 5 Cutting tools.
- 6. Importance of nano material 1 These materials have created a high interest in recent years by virtue of properties 2 Nano structured metal oxide finds applications for rechargeable batteries 3 Nano stuctured semi conductors are used as windows layer in solar cells 4 Nano sized metalic powders have been used for the production of gas type materials 5 Nano structure metals and coloids of mono or multi composition have a special impact in catalytic applications
- 7. Preparation of nano materials
- 8. Advantages 1 Low cost & high efficiency 2 This metal can be sinthesized room temperature
- 9. Disadvantages 1 possible loss of value in other products 2 Atomic weapons can also become more assesible