Keyword: Foams

Briefs: Materials

Conventional composite materials, in which a matrix material is reinforced by particulates, whiskers, and/or continuous fibers, have long been of interest as potential...

Briefs: Aerospace

As part of Project Agreement on Military Operations in Urban Terrain (MOUT), the US Army Research...

Briefs: Manufacturing & Prototyping

Currently small boat combatant design focuses primarily on speed and maneuverability. It would be advantageous to expand these capabilities to include reduced radar...

Articles: Defense

The search for lighter weight, stronger materials to construct airplanes and spacecraft remains as important as ever. But it takes a long time for new materials in aerospace structures to make their way into...

Technology Update: Aerospace

The use of composite materials for construction of aerospace components began in the early 1980s and is now the material of choice for commercial and military airframe...

Briefs: RF & Microwave Electronics

During the Apollo Program, astronauts on the Moon encountered a small menace that created big problems: lunar dust. Similar to how tiny bits of Styrofoam behave on Earth — adhering to...

Articles: Aerospace

Traditionally, RF/microwave printed circuit board applications were developed based on the needs that came out of the military market. Applications like radar and guidance systems were operating at...

Briefs: Physical Sciences

A novel outdoor synthetic aperture acoustic (SAA) system consists of a microphone and loudspeaker traveling along a 6.3-meter rail system. This is an extension of a prior indoor...

Briefs: Physical Sciences
Fluid Helmet Liner for Protection Against Blast-Induced Traumatic Brain Injury

An Advanced Combat Helmet liner design uses the novel idea of including filler materials inside channels in the liner. An energy-absorbing foam was selected for the main liner structure, and several filler material candidates of widely varying properties are being...

Briefs: Materials

A structural multifunctional fuel cell design enables material elements participating in power or energy processes to also carry significant structural loads....