Engineering

Finding keyholes in metals 3-D printing

Additive manufacturing's promise to revolutionize industry is constrained by a widespread problem: tiny gas pockets in the final product, which can lead to cracks and other failures.

Engineering

It's too soon to call 3-D printing a green technology

Over the past decade 3-D printing has captured the imagination of the general public, engineers and environmental visionaries. It has been hailed as both a revolution in manufacturing and an opportunity for dramatic environmental ...

Energy & Green Tech

3-D printing the next generation of batteries

Additive manufacturing, otherwise known as 3-D printing, can be used to manufacture porous electrodes for lithium-ion batteries—but because of the nature of the manufacturing process, the design of these 3-D printed electrodes ...

Engineering

Pictures of success in 3-D printing

Across the U.S. Department of Energy's (DOE) Argonne National Laboratory, teams are tackling different scientific problems associated with additive manufacturing, often referred to as 3-D printing, so as to advance our understanding ...

Engineering

Novel 3-D printing technique yields high-performance composites

Nature has produced exquisite composite materials—wood, bone, teeth, and shells, for example—that combine light weight and density with desirable mechanical properties such as stiffness, strength and damage tolerance.

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