By Connie Reichert
on Thursday, January 11th, 2018 in Papers.
While commercial vision systems offer a wide range of inspection capabilities, they sometimes require adaptations or enhancements for new applications. EWI has developed several novel adaptations to enhance standard visual inspection systems for unique manufacturing situations, three of which are discussed here.
By Adam Hehr
on Wednesday, January 3rd, 2018 in Papers.
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.
By Ron Aman
on Thursday, November 16th, 2017 in Papers.
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.
By Rutuja Samant
on Wednesday, November 1st, 2017 in Papers.
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.
By Miranda Marcus
on Thursday, October 26th, 2017 in Papers.
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.
By Amin Moghaddas
on Friday, October 13th, 2017 in Papers.
EWI expertise in high power ultrasonics has enabled the development of an industrially hardened UAD system to improve drilling productivity of high strength steels. This article discusses the results of tests of using EWI’s system on 4340 alloy steel.
By Lindsey Lindamood
on Wednesday, October 4th, 2017 in Papers.
As the demand to build lighter yet stronger vehicles and planes increases, manufacturers are seeking better ways to join lightweight materials, high strength steels, and high strength aluminum. This article discusses EWI’s successful testing of hybrid ultrasonic-resistance welding for these applications.
By Paul Boulware
on Monday, September 18th, 2017 in Papers.
In-process monitoring techniques for L-PBF and other metal AM processes is critical for advancing quality control methodologies for critical industrial applications. This paper highlights EWI’s work in evaluating different monitoring techniques and their applicability for inclusion in commercial L-PBF systems.
By Ruth Sunderman
on Friday, August 25th, 2017 in Papers.
For braze inspection, ultrasonic testing is less costly, safer, and more sensitive to defects than x-ray inspection. This paper shows how and why UT is better for this particular application.
By Steve Manring
on Thursday, August 3rd, 2017 in Papers.
Autogenous orbital gas tungsten arc welding (GTAW) can decrease the cost of welding for pipe and tubing up to 35%. This paper provides an overview of this process and it benefits.