Materials

Improving the Surface Finish of Additive Manufactured Parts

South West Metal Finishing has been working on an additive manufacturing surface treatment process for the last three years and believes it could be the future choice of aircraft manufacturers around the world, such as the likes of Safran, UTC Aerospace and Airbus.

Posted in: Articles, Aerospace, Defense, Manufacturing & Prototyping, Rapid Prototyping & Tooling, Coatings & Adhesives, Additive manufacturing, Metal finishing
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Army Explores 3-D Printing's Future Applications

A soldier heads back to camp, grabs a power bar and unloads his gear. The power bar, which was "printed" minutes earlier, contains all the nutrients his body currently needs, according to sensors that are embedded in his uniform. While this may sound like a scene from a sci-fi movie, engineers and scientists at the Army Research, Development and Engineering Command (RDECOM) are looking at ways to use additive manufacturing (aka 3-D printing) to make it a reality.

Posted in: Articles, News, Defense, Manufacturing & Prototyping, Rapid Prototyping & Tooling, Composites, Materials, Metals, Plastics
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Advances in Lightweight Electronics Protection

Lightweighting continues to be a key topic for the aerospace, avionics and defense industries as new metals and composites are being integrated into end products and assemblies with the goal of decreasing overall system weight. As technologies continue to evolve, with components often decreasing in size and increasing in complexity, the materials used to manufacture and protect the latest components and systems are also improving. Whether used in commercial or military aircraft, rockets, satellites, terrestrial or water vessels, or the latest in unmanned air, land and sea vehicles; systems within these industries must meet similar requirements – assemblies, components and electronics must be both lightweight and designed to withstand harsh operating conditions.

Posted in: Articles, Aerospace, Defense, Electronics, Coatings & Adhesives, Avionics, Electronic equipment, Lightweight materials, Lightweighting, Military vehicles and equipment
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Managing the Impact of Nanomaterials in Aerospace Manufacturing

As the aerospace industry continues to make improvements to safety, comfort and affordability of aircraft, nanomaterials are making their way into more elements of aircraft structure, electronics, glass, textiles and other components. While these materials provide tangible advantages in terms of weight, strength, speed and comfort, their effect on the humans that come into contact with them is still being studied and debated.

Posted in: Articles, Aerospace, Composites, Aircraft structures, Human factors, Materials properties, Nanomaterials
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Turbine Flow Meters: Technology-of-Choice for Measuring Critical Fluid Flow Applications

The aerospace industry has some of the most difficult operating conditions imaginable. Sensors of all kinds used in this industry must stand up to the environment and be able to perform under harsh conditions, fit in extremely tight spaces, and have electronics that can compensate for variable conditions in order to provide precise, repeatable results.

Posted in: Articles, Aerospace, Manufacturing & Prototyping, Materials, Computational fluid dynamics, Downsizing, Sensors and actuators
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Dry Drilling Composites Using Carbon Dioxide Cooling

Posted in: Articles, Aerospace, Defense, Composites, Drilling, Composite materials, Fasteners
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Advancing the Use of Beryllium Bearing Materials for Unmanned Platforms

Aerospace and defense platforms are often regarded as the earliest adopters of new materials and processes technologies. Materials test programs provide validations of material supplier property claims, as the physical tests are performed and data is analyzed. Resultant material “design allowables” are developed and compared to the performance envelopes for the intended application(s). The quality of simulation software and the developed knowledge base that design and strength engineering personnel use for analyzing materials in the intended product design and environments have improved dramatically in the last decade. This has primarily been based on the efficiency and availability of computing capacity for complex simulations.

Posted in: Articles, Aerospace, Defense, Materials, Simulation Software, Test & Measurement, Beryllium alloys, Unmanned aerial vehicles
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Unlocking the Power of Ceramic Matrix Composites

Faster, lighter, stronger, hotter – words anyone working on military product development is all too used to hearing. In a world where advanced computer modeling and simulation packages are helping engineers optimize new product designs to increase performance, oftentimes the limiting factors to meeting spec are the mechanical and thermal restrictions inherent to currently available engineering materials. Ceramic matrix composites, or CMCs, provide an entire world of new thermo-mechanical properties, allowing engineers the ability to unlock the potential of some of their most advanced high temperature and high speed designs.

Posted in: Articles, Aerospace, Defense, Ceramics, Composites, Materials, Ceramics, Composite materials, Military vehicles and equipment
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Infusing Lightweight Composite Structures

European researchers examine simulation-based solutions for the manufacture of large-scale, liquid-resin-infusion composite substructures.

Liquid resin infusion (LRI) is a proven manufacturing technology for both small- and large-scale structures for which, in most cases, experience and limited prototype experimentation is sufficient to get a satisfactory design. However, large-scale aerospace and other vehicle structures require reproducible, high-quality, defect-free parts with excellent mechanical performance. These requirements necessitate precise control and knowledge of the preforming (draping and manufacture of the composite fabric preforms), their assembly, and the resin infusion.

Posted in: Articles, Aerospace, Defense, Composites, Materials, Forming, Composite materials, Lightweight materials, Resins
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Carbon-Fiber Concept Trailer From Great Dane Cuts Weight by 4000 lb

The Walmart Advanced Vehicle Experience is a prototype tractor-trailer developed to demonstrate the possibilities of future transport, and the truck is not the only place where innovation reigns. The trailer body is built almost exclusively with carbon fiber, and it incorporates other technologies such as advanced adhesives and low-profile LED lighting. Read more at http://articles.sae.org/13507.

Posted in: Articles, Aerospace, Defense, Coatings & Adhesives, Materials, Transportation
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