EWI Published Papers

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Methods of Polymer Weld Quality Evaluation

Posted by | June 15 2018

Selecting the right quality evaluation method for polymer welds is critical for both developing an appropriate welding process and weld maintenance. This paper compares different evaluation methods and discusses strengths and weaknesses of each.

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Space-grade 3D Metal Printed Heat Exchangers

Posted by | June 11 2018

EWI’s affiliate Fabrisonic LLC has been working with NASA JPL and EWI to develop and qualify ultrasonic additive manufacturing (UAM) heat exchanger devices for improved performance. The paper discusses how structures created using UAM can increase functionality, robustness, and efficiency.

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Key Considerations for Metal AM Parameter Optimization

Posted by | May 17 2018

In additive manufacturing (AM), process parameter optimization is key to production efficiency. This paper describes what it means really to optimize parameters for any given AM application.

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Warm Forming of High-Strength Aluminum Automotive Structural Parts: A Success Story.

Posted by | May 3 2018
The use of lighter and stronger sheet materials is necessary to produce vehicles that meet consumer demands while also improving performance, fuel consumption, and emissions challenges. This paper focuses on the benefits of warm forming as a method to improve formability of these materials to maintain cost competitiveness.   Download the Paper    

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Advancements in EWI DeepTIGTM for Higher Productivity GTAW

Posted by | April 27 2018
EWI DeepTIG™ flux enhances penetration and reduces passes in GTAW. A new cored-wire version of the product reduces the preparation steps and increase penetration 250-300% over conventional solid-wire welds. This paper discusses the research and benefits.   Download the Paper  

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