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Nik Hrabe (Fed)

Nik Hrabe is a staff metallurgist and project leader at the National Institute of Standards and Technology (NIST) where he currently leads the Additive Manufacturing (AM) Fatigue and Fracture Project .  He began working in AM in 2006 studying fatigue behavior of titanium lattice structures for orthopaedic applications.  Before coming to NIST, Nik worked for 3D Systems Healthcare using PBF-EB and PBF-L to develop implants and instrumentation, secure regulatory approval, and contract manufacture for clients within the medical device industry.

 

Awards

Publications

Evaluation of Variations in Solution Annealing, Intercritical Annealing, and Aging Treatments on Cobalt-free Maraging Steels

Author(s)
Nicholas Derimow, Jake Benzing, Alec Saville, Cassidy Allen, Jordan Weaver, Nikolas Hrabe, Timothy Quinn, Timothy Weeks, Newell Moser, Chad Beamer, Christin Aumayr, Tilman Seifert, Michael Hirtler
This work is a compilation and summary of the quasi-static mechanical properties of a novel cobalt-free maraging steel, M789, that underwent a series of various

Priming Additively Manufactured Cobalt-free Maraging Steels for Improved Properties via Changes to As-Built Microstructure

Author(s)
Alec Saville, Jake Benzing, Fan Zhang, Joseph Aroh, Jordan Weaver, Russell Evans, Nicholas Derimow, Samantha Webster, Nikolas Hrabe, Cassidy Allen, Newell Moser, May Martin, Jason Holm, Christin Aumayr, Tilman Seifert, Michael Hirtler
Supply chain challenges and health concerns have spurred the development of new Co-free, Cr-containing maraging steels with several new alloys already
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Data and Software Publications

AM Bench 2022 IN625 3D Microstructure Reconstructions

Author(s)
Edwin J Schwalbach, Michael G Chapman, Megna N Shah, Michael D Uchic, Lyle E Levine, Nik Hrabe, Orion Kafka, Newell Moser, Robert Carson, James Belak
This set of automated serial sectioning measurements was designed to produce a micrometer-scale, 3D characterization of the microstructure within a region of interest (ROI) of a 2018 additive

AM Bench 2022: IN718 Serial Sectioning and X-ray Computed Tomography Measurement Data

Author(s)
Edwin J Schwalbach, Michael G Chapman, Megna N Shah, Michael D Uchic, Nik Hrabe, Orion Kafka, Newell Moser, Brandon Lane, Robert Carson, James Belak, Lyle E Levine
These sets of automated serial sectioning electron backscatter diffraction (EBSD) and X-ray computed tomography (XRCT) measurements were designed to produce spatially registered, multi-modal datasets
Created October 9, 2019, Updated December 23, 2024
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