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Displaying 6376 - 6400 of 13218

Synergistic Fire Resistance of Nanobrick-wall Coated 3D Printed Photopolymer Lattices

March 16, 2023
Author(s)
Thomas Kolibaba, Callie Higgins, Zack Buck, Dash Weeks, Jason Killgore
… Photopolymer additive manufacturing has become the subject of widespread interest in recent years due to its capacity to enable fabrication of … parts, the coating provides negligible improvement in fire resistance, but coating of the latticed structures …

Bioinspired Wear-Resistant and Ultra-Durable Functional Gradient Coatings

January 28, 2022
Author(s)
Zhengzhi Wang, Kun Wang, Houbing Huang, Xiao Cui, Zuoqi Zhang, Martin Chiang
… we resolve this conflict by developing a new concept and manufacturing technique for functional gradient coatings … of FGC represents a mechanically-optimized strategy in achieving maximal performances with minimal use and site- specific distribution of the reinforcements, in accordance with the design principles of many load-bearing …

ASME B89.4.23 Performance Evaluation Tests and Geometry Errors in X-Ray Computed Tomography Systems

January 20, 2022
Author(s)
Bala Muralikrishnan, Meghan Shilling, Vincent Lee
… (XCT) systems for dimensional measurements was released in early 2021. This standard, ASME B89.4.23-2020, specifies … While there are some core testing requirements in the standard, there is also some flexibility, allowing for … be sensitive to the different systematic sources of error in XCT systems to provide confidence that the system will …

Filling the Pharmacopeial Gaps of Visual Inspection Toward Standardization and Consistency of Visible Particle Testing

May 3, 2021
Author(s)
Linda Narhi, George M. Bou-Assaf, Kristen Gonzalez, Maryam Mazaheri, Steven Messick, Srivalli Telikepalli
… visible particles that are not anticipated to be present in drug products is one of the most common causes of recalls, … determined during visual inspection (along with defects in the container closure system), must be controlled to … applied, as well as inconsistency between sites, contract manufacturing organizations (CMO), and products within a …

The Roles of Standard Cigarettes in Assuring the Ignition Resistance of Soft Furnishings

November 18, 2020
Author(s)
Richard G. Gann, Ickchan Kim, Steven P. Lund, William F. Guthrie, Rick D. Davis
… cigarettes have contributed substantially to the decrease in losses from cigarette-initiated fires over time. Two Standard Reference cigarettes play key roles in mitigating these losses and in sustaining the effectiveness of the fire safety … The Roles of Standard Cigarettes in Assuring the Ignition Resistance of Soft Furnishings …

Rapid Wafer-Scale Growth of Polycrystalline 2H-MoS2 by Pulsed Metalorganic Chemical Vapor Deposition

July 12, 2017
Author(s)
Berc Kalanyan, William A. Kimes, Ryan Beams, Stephan J. Stranick, Elias J. Garratt, Irina Kalish, Albert Davydov, Ravindra Kanjolia, James E. Maslar
… High volume manufacturing of devices based on transition metal … vapor deposition (MOCVD) route for MoS2 film growth in a research-grade single-wafer reactor. Using … we deposit MoS2 films from one monolayer to 25 nm in thickness on SiO2/Si substrates. We show that layered …

Dynamic Response of Metals Subject to Rapid DC Current Pulses

June 3, 2013
Author(s)
Steven P. Mates, Graham Cullen, Eran Vax, Eli Marcus, Brad Kinsey
… electrical current on dislocation motion that is athermal in nature. Practical applications in metal manufacturing have inspired the new research area known as …

Predicting Microstructure Development During Casting of Drug Eluting Coatings

September 19, 2010
Author(s)
David M. Saylor, Jonathan E. Guyer, Daniel Wheeler, James A. Warren
… which depend on the coating constituents and manufacturing conditions, can have a profound affect on the … to function successfully. By deriving the model equations in a time-dependent reference frame, we find that it is … that involve the incremental application of the coating in layers or passes. This new model formulation, which can …

OntoSTEP: Enriching Product Model Data Using Ontologies

August 31, 2010
Author(s)
Raphael Barbau, Sylvere I. Krima, Xenia Fiorentini, Sudarsan Rachuri, Anantha Narayanan Narayanan, Sebti Foufou, Ram D. Sriram
… lifecycle information is critical to the success of any manufacturing organization. Different modeling languages are … information, for example EXPRESS for geometry as seen in STEP, and UML for beyond geometry information as defined in CPM. It is necessary to consolidate product information …

Study of the Acid Generation in Aqueous Environments from Copolymer Fibers based on 5-amino-2-(p-aminophenyl)-benzimidazole

September 1, 2009
Author(s)
Amanda L. Forster, Guillaume Messin, Kirk D. Rice, Michael A. Riley, Stephanie S. Watson
In a communication to the ballistic vest community released in January 2006, there was an allegation by a competing fiber … potentially be detrimental to other fibers that might come in contact with these materials, or hazardous to an officer's … Study of the Acid Generation in Aqueous Environments from Copolymer Fibers based on …

Fastener Quality Act of 1990; Public Law 101-592

October 16, 2008
Author(s)
Charles D. Ehrlich
… to the automobile, aerospace, construction, chemical and manufacturing sectors. The Act established a national program … provides for accreditation of laboratories engaged in fastener testing;and requiring inspections, testing and certification in accordance with standardized methods for covered …

PSCR 2020_ Connecting the First Responder's Environment

October 29, 2020
Author(s)
Donald L. Harriss
In most first responder events, a building or structure is … PSCR is evaluating the current state of smart building technology, potentials for the sharing of building data, and potential use cases and scenarios for building technology. The goal is to provide guidance and …

Caring: An Undiscovered Super "Ility" of Smart Healthcare

October 28, 2016
Author(s)
Nancy Laplante, Phillip Laplante, Jeff Voas
… emerging: the potential loss of "caring." The interplay of technology and caring has been discussed for many years by … and treatment, nurses often struggle with balancing technology and patient contact, as technology can distance … essentially removing the "care" from "healthcare." In this work we introduce the notion of "caring" as an …

Assessment of intra-build variations in tensile strength in electron beam powder-bed fusion Ti-6Al-4V part 2: Effects of powder mixing

May 31, 2022
Author(s)
Nicholas Derimow, Jake Benzing, Orion Kafka, Newell Moser, Priya Pathare, Michael Walker, Frank DelRio, Nik Hrabe
In Part 2 of this paper series, high-throughput tensile … (375 total specimens). There was a spread of 138.9 MPa in yield strength (YS) across all specimens. Considering the … 74.2 MPa for a virgin build with no mixing, as detailed in Part 1, the difference between these two YS ranges is …

Thermal Shrinkage Reveals the Feasibility of Pulse-delay Photocuring Technique

December 1, 2021
Author(s)
Sri Vikram Palagummi, Taeseung Hong, Li Jiang, Martin Chiang
… dental composites as a clinical strategy for the reduction in the detrimental polymerization stress. Methods: Model … to the reaction exotherm and absorbance) simultaneously in real-time. These properties were compared to that obtained … minimum radiant exposure through which a certain reduction in polymerization stress can be achieved by using the …

An Assistive Learning Workflow on Annotating Images for Object Detection

December 9, 2019
Author(s)
Vivian W. Wong, Max K. Ferguson, Kincho H. Law, Yung-Tsun Lee
… a novel contextual sampling method, thereby a reduction in human workload early on in the assistive learning process. In addition, we wrap the workflow in an interactive … workflow, computer vision, object detection, smart manufacturing, vehicle detection …

A Single-Pixel Touchless Laser Tracker Probe

October 15, 2015
Author(s)
Josh Gordon, David R. Novotny, Alexandra Curtin
… and which has 3D spatial resolution of about 25 μm (in x,y,z) in the current configuration. This touchless laser tracker … a calibration process. The three pixels define a point in space that is used as a virtual touch probe where one … Spatial Metrology, Machine Vision, Alignment, Surveying, Manufacturing, Instrumentation, Optics …

Performance Measurement of Mobile Manipulators

April 24, 2015
Author(s)
Roger V. Bostelman, Tsai Hong Hong, Jeremy A. Marvel
… pose estimation and other metrics that will also aid in standard test method development for indexed and dynamic … mobile manipulator, reproducible performance, smart manufacturing, ground truth, test methods, artifact …

Computational Models of the Nano Probe Tip for Static Behaviors

June 1, 2007
Author(s)
Shaw C. Feng, Theodore V. Vorburger, Che B. Joung, Li Ma
… need for versatility is three dimensional scanning in order to measure the geometric shapes of walls and … Atomic Force Microscopes (AFMs) are commonly used in laboratories for a range of critical measurements of … of the AFM probe. The issue becomes particularly important in this situation: nanometer uncertainties need to be …

New Industry Requirements for Clock Synchronization and Time Stamping

March 27, 2006
Author(s)
Harvey Wohlwend, Ya-Shian Li-Baboud
… timing standards into current SEMI standards. After an in-depth review of SEMI standards, recommendations on SEMI … Advanced Process Control, Data Quality, Semiconductor Manufacturing, Time Stamping, Time Synchronization …

Size tolerancing revisited: A basic notion and its evolution in standards

May 13, 2013
Author(s)
Vijay Srinivasan, Edward P. Morse
… and to compare and classify objects based on this notion. In the world of ISO GPS (Geometrical Product Specification … notion from several viewpoints and trace its evolution in engineering drawings. It will then discuss the … of the use of the recently-standardized size modifiers in engineering design, and investigate the issues that may …
Displaying 6376 - 6400 of 13218
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