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06.17.09

AEROMAT 2009 News from AM&P

Video of the Week

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Events

A Member's Voice

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Advanced Materials
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Heat Treat 2009


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Human Universal Load Carrier


The Lockheed Martin Human Universal Load Carrier (HULC) is a completely un-tethered, hydraulic-powered anthropomorphic titanium exoskeleton that provides the ability to carry loads of up to 200 pounds for extended periods of time and over all terrains. With a HULC exoskeleton, these loads are transferred to the ground through powered titanium legs without loss of mobility. Its flexible design allows for deep squats, crawls, and upper-body lifting. The exoskeleton senses what users want to do and where they want to go. It augments their ability, strength and endurance. An onboard micro-computer ensures the exoskeleton moves in concert with the individual. Its modularity allows for major components to be swapped out in the field. Additionally, its unique power-saving design allows the user to operate on battery power for extended missions. The HULC’s load-carrying ability works even when power is not available.
View the video.

Learn more.





In-Situ Aluminum Metal Matrix Composites was prepared by Prof. Srinath Viswanathan and Prof. Ramana G. Reddy, University of Alabama, Tuscaloosa, for AeroMat 2009. In this work, a reactive gas is bubbled through an aluminum alloy melt. The reinforcing particles nucleate and grow directly from in-situ chemical reactions between molten metal and a gas source. Since the particles are formed in situ, they are thermodynamically stable and free of surface contamination, thereby yielding better interfacial properties that will not degrade during service.
E-mail Prof. Viswanathan.

New Developments in 3D Laser Fabrication of Titanium Components was prepared by Dr. James W. Sears and Vojislav Kalanovic, South Dakota School of Mines & Technology, Rapid City, South Dakota, for AeroMat 2009. Laser Additive Manufacturing (LAM) titanium powder consolidation has been practiced for a number of years. This presentation described a new technology, MicroLam, an adaptation of the flexible robotic environment (FRE) to LAM, to fabricate bio-medical devices. A six axis coordinated motion system provides a higher resolution (~100 microns) than previously possible for other LAM systems.
E-mail Dr. Sears.


Friction Stir Welding of Ti-6Al-4V was prepared by Paul Edwards, The Boeing Company, Seattle, Washington for AeroMat 2009. Friction Stir Welding of Ti-6Al-4V was performed on 5 mm thick sheet. A wide range of processing conditions, such as spindle speed and feed rate were tested, and an experimentally determined process window was established for this given material, thickness, and tooling configuration. It was found that simple models can be used to predict trends such as peak temperatures and acceptable welding conditions.
E-mail Mr. Edwards.

The Effects of Heat Treatment On the Microstructure and Mechanical Properties of High Cobalt Martensitic Precipitation Strengthened Stainless Steels was prepared s by Dr. Warren M. Garrison and Piyamanee Komolwit, Carnegie Mellon University, Pittsburgh, Pa., for AeroMat 2009. In this work, we evaluated the effects of tempering temperature, refrigeration after cooling from the austenitizing temperature, the rate of cooling from the austenitizing temperature, austenitizing temperature and of double austenitizing heat treatments on the Charpy impact energy, the tensile properties, fracture modes and microstructure.
E-mail Warren Garrison.



ASM Online Databases: Customized. Comprehensive. Authoritative.

Peer-reviewed knowledge is at your fingertips with ASM Online. One simple license opens the door to ASM databases throughout your organization.

Choose from several ASM Databases and build your own customized collection.

LEARN, SEE and EXPERIENCE how ASM online databases ANSWER your questions. Attend one of our FREE upcoming Database Webinars that will demonstrate typical uses for and applications of these databases:

Sign up for the June 25 event here.

Or schedule a Customized Demonstration via WebEx for your organization. Contact denise.smith@asminternational.org or 440.338.5409.

When you have to be sure, you can trust ASM Online databases.

 

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What does pizza have to do with motors?


Unlikely as it seems, the way a pizza crust turns during tossing can be correlated via differential equations to the way a micro-motor functions! At least that is the claim of a team from Monash University in Australia. The team videotaped a professional pizza tosser at work, then calculated how best to describe the way the dough travels through the air – including how much the dough rotates, how quickly it spins, its stability, and the energy efficiency of the toss itself. In tiny electric motors, the fixed component, the stator, is made to vibrate ultrasonically, and this causes the movable part, the disk-like rotor, to be "tossed" – both rotated and lifted.
Learn more.

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Mark your calendars for ASM’s 96th Annual Technical Meeting at MS&T 09

Coming to Pittsburgh this Oct. 25-29, the Materials Science & Technology Conference & Exposition is the leading forum addressing structure, properties, processing and performance across the materials community. This partnership of ASM, ACerS, AIST and TMS brings together scientists, engineers, students and suppliers to discuss the research and applications that are shaping the future.

Click for more information about MS&T or specific technical programs:
Ceramic and Glass Materials
Electronic and Magnetic Materials
Environmental and Energy Issues
Fundamentals and Characterization
Iron and Steel
Materials and Systems
Nanotechnology
Processing and Product Manufacturing
Special Topics


MPMD is the only medical devices conference that brings together materials scientists and engineers, metallurgists, product designers, researchers and clinicians. From cardiovascular, neurological and pulmonary devices to orthopaedics and dental appliances – we’ve got the technical programming to help prepare you to lead the industry in innovation.

August 10-12, Minneapolis, Minnesota

Learn more.



Teach a man to fish: ASM Materials Camp for Teachers

You know the expression, teach each a man to fish and he eats for the rest of his life? Well, if you teach a teacher to teach, you can reach potentially hundreds of students.

That’s the simple philosophy behind the ASM Materials Camp for Teachers being held at Case Western Reserve University this week through the 19th. Coordinating this effort is Sunniva Collins, Senior Research Fellow at Swagelok and a Fellow and Trustee of ASM International.

We’re hosting 33 science teachers from middle and high schools, most from the Cleveland area but a few from other states (and even one from Japan)! By teaching these teachers new and fun ways to bring materials science and engineering to their classrooms, we make STEM (science, technology, engineering and math) more accessible to their students.

Science becomes something that’s not only fun, but important to our quality of life. As you can see in the photo, we don’t mind getting our hands dirty if it brings more people into science and engineering!

Learn more about the ASM Materials Camp for Teachers at Case.

For more about ASM Materials Education Foundation programs for students and teachers, click here.


Blogs
Stay current with ASM blogs, including the AM&P Blog and Roger Fabian’s “President’s Take”.

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Lead Engineer – Materials

U.S. Department of Energy, Washington, D.C.

DOE’s Office of Energy Efficiency and Renewable Energy’s Vehicle Technologies Program is looking for a senior level materials research engineer to help steer and direct research, development, deployment and funding to develop advanced automotive materials.
Learn more.

Visit the ASM Career Center.

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