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91. Analysis of Dimensional Metrology Standards
NIST Interagency/Internal Report (NISTIR)
Thomas Rollin Kramer, John Evans, Simon Paul Frechette, John A Horst, Hui-Min Huang, Elena R Messina, Frederick M Proctor, William G Rippey, Harry A. Scott, Theodore Vincent Vorburger, Albert J. Wavering
This is an analysis of standards related to dimensional metrology, with recommendations regarding standards development. The analysis focuses on the degree to which existing and developing standards provide a complete set of non-overlapping specifica ...
92. NIST Calibration Services for Gas Flow Meters: Piston Prover and Bell Prover Gas Flow Facilities
Special Publication (NIST SP)
John D Wright, G E. Mattingly
This document provides a description of the small and medium range gas flow calibration facilities at the National Institute of Standards and Technology (NIST), Fluid Flow Group, as reported in NIST Special Publication 250 for Test Nos. 18010C-18040C ...
93. Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST
Brandon M Lane, Shawn P Moylan, Eric Paul Whitenton, Li Ma
Measurement of the high-temperature melt pool region in the laser powder bed fusion (L-PBF) process is a primary focus of researchers to further understand the dynamic physics of the heating, melting, adhesion, and cooling which define this commercia ...