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3D Systems to Develop Corrosion Control Guidance

Friday, November 1, 2019

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3D-printing firm 3D Systems (Rock Hill, South Carolina) announced earlier this week that it had won a contract to develop a corrosion performance design guide for direct metal printing of nickel alloys. Ultimately, the guide may help reduce maintenance costs in the shipbuilding industry.

3D Systems, which will be working in collaboration with Newport News Shipbuilding, Northrop Grumman Innovation Systems and staff from University of Akron, won the contract from America Makes and the United States Department of Defense.

Corrosion Design Guide

In developing the design guide, 3D Systems will work with other entities to gather data and apply what’s learned to the production of parts built via direct metal printing. The company’s technology lends itself to shipbuilding and munition fabrication due to low oxygen content and part manufacturing quality control.

3D Systems

3D-printing firm 3D Systems (Rock Hill, South Carolina) announced earlier this week that it had won a contract to develop a corrosion performance design guide for direct metal printing of nickel alloys. Ultimately, the guide may help reduce maintenance costs in the shipbuilding industry.

This work was brought about in order to help address the $8.5 billion yearly total that stems from corrosion-specific maintenance. Research will focus on identifying what causes corrosion in naval sea system platforms and high-speed weapons that are composed of nickel alloys. Addiitionally, the companies will supply the testing process with four different surface finishes, and four different heat treatments.

As for the evaluation process, which is composed of 240 tests, researchers will take a look at stress corrosion cracking, evaluating crevice and galvanic corrosion modes. Variables also include differences in surface finish and post-build annealing time to account for different surface conditions.

The appeal of additive manufacturing is a reduction in production and delivery times, as well as better corrosion resistance.

“We believe that post-processes for additively manufactured components can be designed to limit corrosion in a saltwater environment,” said Jared Blecher, Principal, Aerospace and Defense Engineering, 3D Systems.

“Through our research and development efforts, corrosion rates will be quantified for additively manufactured parts, so end users will have better data for deciding when parts should be inspected or replaced. Additionally, we’ll explore the value of heat treatment to help improve the mechanical properties of the part and mitigate corrosion and ultimately cost.”

   

Tagged categories: 3D printing; Contract awards; Corrosion protection; Department of Defense (DOD); NA; North America; Quality control; Quality Control; Research and development

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