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Additive manufacturing


Additive manufacturing is causing fundamental changes in the way parts are produced. Where typical manufacturing operates by cutting away or molding material, in additive manufacturing, digital designs guide the fabrication of complex, three-dimensional products that are built up, layer by layer.

As the field matures, transitioning what is now more of an art into a science will be critical for expanding its use by industry. This transition depends on measurements and ultimately, standards. Through its core missions of measurement science research and standards development, NIST is working with U.S. industry to lead these changes.

The Engineering Laboratory’s Measurement Science for Additive Manufacturing (MSAM) program is exploring barriers to adoption of additive manufacturing, such as surface quality, part accuracy, fabrication speed, material properties and computational requirements. To mitigate these challenges, the program focuses on material characterization, real-time control of additive manufacturing processes, qualification methodologies and system integration.

The Material Measurement Laboratory is investigating additive manufacturing-related issues for both metals and polymers. Projects underway include studying the fracture and fatigue properties of additive manufacturing materials, nano-mechanical properties of surfaces and flaws in these materials, modeling of microstructure evolution, and relationships between precursor material and final product quality.

The Physical Measurement Laboratory is studying emissive properties of materials in solid, powder, and liquid states, as well as improved techniques for real-time temperature measurements to support better understanding and modeling of additive manufacturing processes.

Measurement Science for Additive Manufacturing in the NIST Engineering Laboratory
Measurement Science for Additive Manufacturing in the NIST Engineering Laboratory
High-level overview of additive manufacturing activities at NIST and program structure of the Measurement Science for Additive Manufacturing program in NIST’s Engineering Laboratory.  
Overview of Metals Additive Manufacturing in the NIST Materials Measurement Laboratory
Overview of Metals Additive Manufacturing in the NIST Materials Measurement Laboratory
An overview of the metals additive manufacturing program in the NIST Materials Measurement Laboratory.

The Research

Projects & Programs

Inkjet Printing and Precision Deposition

The ability to deposit small amounts of material in a highly controllable and precise fashion is important for creating test materials for trace detection

Additive Manufacturing Part Qualification

Critical parts for defense, aerospace, and medical applications must be formally qualified prior to use. Currently, extensive empirical testing consisting of


NIST Delivers Report on American Competitiveness in Critical High-Tech Industries

Spotlight: Searching for 3D-Printed Titanium’s Breaking Point With Jake Benzing

By Cracking a Metal 3D-Printing Conundrum, Researchers Propel the Technology Toward Widespread Application

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