Advanced Manufacturing

Featured MOBILUS Publications

Friction Coefficient Evaluation on Aluminum Alloy Sheet Metal Using Digital Image Correlation

Technical Paper

2018-01-1223

The coefficient of friction between surfaces is an important criterion for predicting metal behavior during sheet metal stamping processes. This research introduces an innovative technique to find the coefficient of friction on a lubricated aluminum sheet metal surface by simulating the industrial manufacturing stamping process while using 3D digital image correlation (3D-DIC) to track the deformation.

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When Powder Metallurgy Builds a ‘Spaceship’

Powder metallurgy uses tiny particles of metal to build unique parts. See how the 3D-printing company Velo3D used the powder metallurgy process of additive manufacturing to create a microturbine generator roughly the size of a microwave oven.

Rapid Prototyping:

As rapid prototyping and metal 3D printing support the creation of new kinds of automotive components like hubcaps and side air vents, designers need to know that their fabricated parts have been made properly and according to design specifications. The beauty of 3D printing and rapid prototyping? When you’re printing on a layer-by-layer basis, 100 microns at a time, you’re able to see exactly what’s inside the part.

Smart Materials:

When it comes to smart materials, Keith Goossen at the University of Delaware has a newer, cheaper idea for eco-friendly windows and windshields: Liquid. Goossen’s glass contains fluid-activated panels that change from transparent to opaque states – an achievement that he hopes will provide a more affordable, commercial appeal to consumers. The 3D-printed smart materials switch from transparent to reflective a thousand times without degrading.

Manufacturing Methods for a Better Engine:

Before you can begin to talk about the manufacturing methods for better engines, you need to learn what’s going on inside the machinery and investigate the physics. By building a series of experimental rotating detonation engines, University of Washington researcher James Koch and his team found promising patterns in an advanced technology known as the rotating detonation engine, or RDE.

Additive Manufacturing and Methods of Inspection:

There are many methods of manufacturing, and many methods of inspection. Do the same inspection methods used in casting apply to products built by additive manufacturing with powdered metal? A Tech Briefs reader asks our industry expert Kevin Brigden, an Applications Engineer at the U.K.-based engineering company Renishaw.

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