Quality assurance

News and Updates

NIST Engineer Offers a Way to Realize the Digital Thread in Manufacturing

June 1, 2023

In May 2023, CIMdata sponsored the 2023 PLM Roadmap & PDT conference, which focused on advancing an understanding of the Digital Thread – moving product

NIST Scientists Develop Novel CT Scan Device for Integrated Circuits

April 14, 2023

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have developed a novel tabletop device that takes three

Are Condition Monitoring Systems Worth It? NIST Researchers Offer Way to Evaluate

December 1, 2022

Industries may use "condition monitoring systems" (CMS) to monitor machines and enterprises – like production lines – for detrimental or unexpected changes in

Projects and Programs

Digital Thread for Manufacturing

Ongoing

The Digital Thread for Manufacturing project will deliver methods, protocols, and tools for developing, conformance testing, increasing user-awareness, and

Cyber-Physical Systems and Internet of Things Foundations

Ongoing

The definitions of cyber-physical systems (CPS) and the Internet of Things (IoT) are converging over time to include a common emphasis on hybrid systems of

Material Qualification

Ongoing

The lack of repeatable process outcomes from additive manufacturing (AM) has been broadly acknowledged as an impediment to widespread implementation. While most

Metrology for Multi-Physics AM Model Validation

Ongoing

Multi-physics models are necessary to simulate, study, and optimize metal additive manufacturing (AM) processes, such as powder bed fusion (PBF) and directed

Publications

Investigation of manufacturing techniques to develop controlled flaws for X-ray computed tomography reliability assessment

April 25, 2023

Author(s)

Felix Kim, Sarah Robinson, Nikolai Klimov, John Henry J. Scott

Various micro and nano-manufacturing techniques were investigated to create controlled flaws for X-ray computed tomography (XCT) phantoms. We explored the use

Sensitivity of acoustic nonlinearity and loss to residual porosity in additively manufactured aluminum

January 21, 2023

Author(s)

Ward L. Johnson, Jake Benzing, Orion Kafka, Newell Moser, Derek Harris, Jeremy Iten, Nik Hrabe

Acoustic nonlinearity and loss are found to be positively correlated with porosity at industrially relevant levels of less than half a percent in commercially

Cannabis Quality Assurance Program: Exercise 2 Toxic Elements Final Report

December 15, 2022

Author(s)

Chuck Barber, Colleen E. Bryan Sallee, Carolyn Burdette, Shaun Kotoski, Melissa M. Phillips, Walter Brent Wilson, Laura Wood

In 2020, NIST launched CannaQAP to improve the comparability of the analytical measurements of cannabis and cannabis-derived products in forensic and cannabis

Towards the Physical Reliability of 3D-Integrated Systems: Broadband Dielectric Spectroscopic (BDS) Studies of Material Evolution and Reliability in Integrated Systems

September 30, 2022

Author(s)

Papa Amoah, Joseph J. Kopanski, Yaw S. Obeng, Christopher Sunday, Chukwudi Okoro, Lin You, Dmirty Veksler

In this paper, we present an overview of our current research focus in developing non-destructive metrology for monitoring reliability issues in 3D-integrated