MIT OpenCourseWare http://ocw.mit.edu 16.982 Bio-Inspired Structures Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms. Nanomanufacturing. Theory. Applications. pp Smart Materials. Theory. Applications. Nanotechnology Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions The term was first proposed by K. Eric Drexler in the 1970's. A nanometer t is i one billi billionth th off a meter. It involves the manipulation of the structure of matter atom-by-atom. It is currentlyy undergoing g g extensive development. It has not yet yielded significantly useful f l commercial i l products. d Nanomanufacturing Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions It is now quite accepted as was the idea of flying to the Moon in the pre– space age year of 1950. 1950 It will use nanomachines to build structures, features, devices, systems, as well as other nanomachines. Most research predicts that within 20 to 30 years nanomanufacturing will become a reality reality. The Complete Proces Process Nanotechnology Nanomanufacturing Tip Preparation Work piece Preparation The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Final Product Positional Control Applications Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions 1. 2. 3. 4. 5. 6. Chronometry Devices. Sensor units. Optical devices. Biomedical p products. Computing and information storage devices. Smart materials using nanoscale devices. Applications Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Applications Nanotechnology Nanomanufacturing The Complete Process Applications Universal Joint Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outloo Outlook Merging Smart Materials and Nanotechnology References Questions Pl Planetary t G Gear B i Bearing Nanomanufacturing vs vs. Traditional Nanotechnology Nanomanufacturing Bottom-up: Bottom up: The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Products are manufactured one atomic particle at a time. Top-down: Top down: Every product begins with a bulk material process and is subsequently refined fi d d down. What are Smart Materials? Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Senses a stimulus (eyes). Takes an intelligent g decision (brain). Through electronic feedback it takes corrective/preventive measures to avoid catastrophic situations it ti ((arm). ) Advantages No moving parts parts. The Complete Process High reliability. Applications Nanomanufacturing vs vs. Low L power requirements. i t Traditional What are Smart materials? Provide new capabilities that are Advantages Types of Smart presently not possible. materials Nanotechnology Nanomanufacturing Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Types of Smart Materials Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions 1. 2. 3. 4. 5. Piezoelectric Materials Shape p Memory y Alloys y Magnetostrictive Materials Active Fluids Optical Fiber Bragg Grating Sensors. 1 Piezoelectric Materials 1. Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Expand and contract with the application of voltage. Piezoceramics are the most widely used smart material. Applications Ink Jet Printers. Sonar. Medical Diagnostics. Diagnostics High frequency stereo-speakers. Computer Keyboards. Microphones Microphones. 2 Shape Memory Alloys 2. Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Are metals that can be deformed and then returned to their original shape by heating. Applications Aeronautical applications. Surgical tools. M Muscle l wires. i 3 Magnetostrictive Materials 3. Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Expand and contract with the application of magnetic fields. Applications High-power sonar transducers. Motors. Hydraulic actuators. 4 Active Fluids 4. Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Respond to an electric (electrorhelogical) or a magnetic (magnetorheological) field with a change in viscosity. Applications Tunable dampers. Vibration-isolation systems. Clutches. Brakes. Resistance Controls Controls. 5. Optical Fiber Bragg Grating Sensors Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vvs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outloo Outlook Merging Smart Materials and Nanotechnology References Questions Respond to strain and temperature by a shift in their optical wavelength. Mechanical Energy Magnetostriction Nanomanufacturing vs vs. Traditional What are Smart materials? Magnetication Piezo effect Voltage Shape memory effect Temperature Sensor The Complete Process Applications Actuator Nanotechnology Nanomanufacturing Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions Electrical Energy Figure by MIT OpenCourseWare. Economical Outlook Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vs vs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outlook Merging Smart Materials and Nanotechnology References Questions $1 Billion dollar market 75% - Electro-ceramics 10% -Shape Shape Memory Materials 10% - Magnetostrictive materials 5% - Active Fluids Merging Smart Materials and Nanotechnlogy Nanotechnology Nanomanufacturing The Complete Process Applications Nanomanufacturing vvs. Traditional What are Smart materials? Advantages Types of Smart materials Applications Economical Outloo Outlook Merging Smart Materials and Nanotechnology References Questions Nanotech data storage memory system Increased frequency range, parabolic hearing Error correction device - instant data replay and feedback Metabrain Network sonar sensors map data onto visual field Solar protected skin with tone - texture changeability Cardio flow and function monitor Turbocharged suspension flexibility In vivo fiberoptic communications backbone Replacement organs Internal wholebody navigational grid Biosensors externally stimulate atmospheric tensions Figure by MIT OpenCourseWare.