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51318-11297-Characterization of Direct Metal Laser Sintered Alloy 718 in the As-Fabricated and Heat Treated Condition

Picture for Characterization of Direct Metal Laser Sintered Alloy 718 in the As-Fabricated and Heat Treated Condition
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This paper focuses on characterizing Alloy 718 produced via the Direct Metal Laser Sintering (DMLS) process in the as-fabricated and heat treated condition.

Product Number: 51318-11297-SG
Author: Robert Badrak / Arturo Delacruz / William Howie / Sergey Kolesov
Publication Date: 2018
Industry: Materials Selection and Design
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Additive manufacturing (AM) processes have been shifting from primarily prototyping products to the production of fully functional end parts and components. An understanding of the material characteristics necessitates an evaluation of the mechanical and corrosion behavior in order to determine and quantify the limitations of AM processes.

This paper focuses on characterizing Alloy 718 produced via the Direct Metal Laser Sintering (DMLS) process in the as-fabricated and heat treated condition. The printed Alloy 718 material was produced on a single plate comprised of rectangular, cylindrical and round shapes of varying section thickness that were subjected to evaluation that included chemistry, microstructural, mechanical, fatigue and corrosion testing. Heat treated sections were solution annealed and precipitation hardened in accordance with API 6ACRA.

Key words: additive manufacturing, Direct Metal Laser Sintering, fatigue, corrosion testing

Additive manufacturing (AM) processes have been shifting from primarily prototyping products to the production of fully functional end parts and components. An understanding of the material characteristics necessitates an evaluation of the mechanical and corrosion behavior in order to determine and quantify the limitations of AM processes.

This paper focuses on characterizing Alloy 718 produced via the Direct Metal Laser Sintering (DMLS) process in the as-fabricated and heat treated condition. The printed Alloy 718 material was produced on a single plate comprised of rectangular, cylindrical and round shapes of varying section thickness that were subjected to evaluation that included chemistry, microstructural, mechanical, fatigue and corrosion testing. Heat treated sections were solution annealed and precipitation hardened in accordance with API 6ACRA.

Key words: additive manufacturing, Direct Metal Laser Sintering, fatigue, corrosion testing

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51314-4478-High-Temperature Oxidation Behavior of Alloy 718 Processed by Additive Manufacturing

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