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Materials Research and Development works to improve existing materials,
devices, and manufacturing processes while developing the materials,
devices, and processes of tomorrow. Commercial space research has resulted
in a number of significant successes, including:
Brush Wellman
Incorporated successfully
produced the worldÃs largest
aluminum-beryllium casting
with the assistance of
ground-based casting
data and computational
models developed by the
Solidification Design Center,
a Commercial Space Center.
This alloy is very lightweight,
making it useful in a number
of aerospace applications.
This work is helping advance
manufacturing technology
relating to the material.
Applied Optoelectronics Incorporated will help
commercialize a mid infrared semiconductor laser that
operates at room temperature. The Space Vacuum
Epitaxy Center, a Commercial Space Center, optimized
the design and fabrication of the laser, which can be
used for several applications including environmental
monitoring on Earth and in space exploration. Because
of its small size and
weight, it is also ideal
for use on aircraft as a
part of defenses against
heat-seeking missiles.
A special optical
detector developed
by the Space Vacuum
Epitaxy Center, a
Commercial Space Center, may offer the hope of sight
to people with a variety of eye problems. The detector
is designed to be implanted on the back wall of the eye
to replace natural sensors damaged by disease or
accident. It converts light into electrical signals in much
the same way as rods and cones do in a healthy eye,
and the impulses are then picked up by the optical
nerve. Preliminary testing has been successful and
efforts at commercial development are underway.
ZBLAN Fiber Optic cables, made of the elements
Zirconium, Barium, Lanthanum, Aluminum, and Sodium,
offer the potential
to be more than
100 times more
effective than
traditional silica
fibers. NASA
investigations with
commercial partners
Lucent Technologies and Infrared Fibers, Inc., may
lead to improved optical data transmission, medical
surgery, fiberoptic lasers, optical power transmission,
and fiberoptic gyroscopes.
The Ford Motor Company has used materials data
supplied by the Solidification Design Center, a
Commercial Space Center, to design new, high quality
sand molding processes for creating precision
automotive parts.
This type of work is
also being done by
the Solidification
Design Center for
ALCOA and Howmet
Corporation to help
them cast parts that
are more reliable with
lower costs.
Metal Oxide Technologies is commercializing a new
technology for the fabrication of High-Temperature
Superconducting (HTS) wires using oxide thin films,
developed by the Space Vacuum Epitaxy Center, a
Commercial Space Center. This technology has been
licensed and a pilot plant for producing HTS wires for
use in power line transformers is expected to be
operational by 2001.
New solar cells developed by the Space Vacuum
Epitaxy Center, a Commercial Space Center, are being
developed by
International Stellar
Technologies, Inc.,
and the U.S. Air
Force. These unique
cells have an
efficiency comparable
to conventional
Indium Phosphide
solar cells, but are
thinner, have
significantly enhanced radiation resistance, and end-of-life
efficiences that are 85 percent of the beginning-of-life.
These improved cells could result in a more than
30 percent decrease in the size of existing solar arrays.
Optical components are considered an essential part
of future advanced computers. Such systems will make
possible the storage of massive amounts of data,
transmission of data within the computer, and even
the processing of the data. Non-Linear Optical (NLO)
materials, being investigated through the Consortium
for Materials Development in Space, a Commercial
Space Center, may allow data switching speeds of one-trillionth
of a second, up to a three-fold increase in
optical storage capacity, and optical data processing
at near the speed of light.
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