EWI Published Papers

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Electron Beam Melting: From Powder to Part

Posted by | January 10 2018

Additive manufacturing (AM) technology has shifted from a prototyping tool to an accepted production method. To achieve production-quality results, it is important to use specially developed materials for AM builds. This article demonstrates what it takes to develop and qualify a new material for success in AM application using electron beam melting technology.

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Paper: Building Fiber Optic Strain Sensors into Metal Components

Posted by | January 3 2018

Ultrasonic Additive Manufacturing (UAM) enables direct integration of temperature sensitive components like fiber optic strain sensors into metal structures. The new technology show great promise for application in the aerospace, nuclear, and energy industries.

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Paper: Can Metal Additive Manufacturing Compete with Casting?

Posted by | November 16 2017

Casting is one of the most common manufacturing processes for metals, but could eventually be displaced by AM. This article exams the advances in AM that are now making this shift a more realistic possibility. This paper explores current and future techniques and options for increasing powder reusability.

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Paper: Metal Powder Recycling and Reconditioning in Additive Manufacturing

Posted by | November 1 2017

To keep powder-based materials affordable as additive manufacturing technology expands, there is a need to develop qualified methods to recondition metal powders and re-qualify them for production. This paper explores current and future techniques and options for increasing powder reusability.

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Paper: An Approach to Determine Minimum Amplitude Required for Ultrasonic Welding

Posted by | October 26 2017

For ultrasonic welding, amplitude requirements need to be considered during the design process. This paper explores an experimental method for determining minimum amplitude requirements in advance of product development.

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