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You searched on: Author: chiara ferraris

Displaying records 11 to 20 of 93 records.
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11. Physical and chemical characterization techniques for metallic powders
Published: 8/28/2013
Authors: John A. Slotwinski, Paul E Stutzman, Stephanie S Watson, Edward Joseph Garboczi, Max A Peltz, Chiara F Ferraris
Abstract: Systematic studies have been done on two different powder materials used for additive manufacturing: stainless steel and cobalt-chrome. An extensive array of characterization techniques were applied to these two powders. The physical techniques inclu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914554

12. SRM 2492 RHEOMETER USER GUIDE FOR GAP VERIFICATION AND TEST PROTOCOL
Published: 7/17/2013
Authors: Chiara F Ferraris, Jussara Tanesi
Abstract: N/A
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914092

13. Development of Standard Reference Materials for Cement-Based Materials
Published: 5/13/2013
Authors: Chiara F Ferraris, Nicos Martys, William L George
Abstract: Rheometers are used to determine the rheological properties of materials ranging from mayonnaise to concrete. While rotational rheometers are routinely used for homogeneous materials such as mayonnaise, their usage for characterization of a granular ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912949

14. Development of a Reference Material for the Calibration of Cement Paste Rheometers
Published: 4/22/2013
Authors: Chiara F Ferraris, Paul E Stutzman, Zhuguo Li, Min-Hong Zhang
Abstract: Rheometers are usually calibrated using a standard reference oil. On the other hand the calibration of rheometer for paste or concrete cannot be calibrated using an oil as it is a Newtonian fluid, while the rheometers are designed to measure non-Newt ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907619

15. Identifying improved standardized tests for measuring cement particle size and surface area
Published: 4/1/2013
Authors: Chiara F Ferraris, Edward Joseph Garboczi
Abstract: The Blaine fineness (Blaine) of a cement powder is a single parameter that is meant to characterize the specific surface area of a cement, and is assumed to be linked to physical and mechanical properties such as strength, setting time, and rheology. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912509

16. Measurement Science Needs for the Expanded Use of Green Concrete: Workshop Summary Report
Series: Technical Note (NIST TN)
Report Number: 1783
Published: 2/6/2013
Authors: Kenneth Alan Snyder, Dale P Bentz, Jeffrey W Bullard, Chiara F Ferraris, Nicos Martys, Paul E Stutzman
Abstract: In July 2012, NIST conducted the Green Concrete Workshop to bring together stakeholders from the concrete construction industry and identify critical needs for the expanded use of industrial by- product materials, such as fly ash and slag, in conc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913076

17. Identifying improved standardized tests for measuring cement particle size and surface area
Published: 1/14/2013
Authors: Chiara F Ferraris, Edward Joseph Garboczi
Abstract: The Blaine fineness (Blaine) of a cement powder is a single parameter that is meant to characterize the specific surface area of a cement, and is assumed to be linked to physical and mechanical properties such as strength, setting time, and rheology. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911893

18. Certification of SRM 2492: Bingham Paste Mixture for Rheological Measurements
Series: Special Publication (NIST SP)
Report Number: 260-174Rev. 2012
Published: 6/7/2012
Authors: Chiara F Ferraris, Paul E Stutzman, William F Guthrie
Abstract: Rheological measurements are often performed using a rotational rheometer. In this type of rheometer, the tested fluid is sheared between two surfaces, one of which is rotating [1]. Usually, the angular velocity is imposed and the response of the mat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911268

19. Concrete rheometers
Published: 5/1/2012
Authors: Chiara F Ferraris, Nicos Martys
Abstract: The scope of this chapter is to introduce the current technology for measuring the rheological properties of concrete. The need to evaluate or assess the flow properties of concrete has resulted in the invention or design and standardization of hundr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907955

20. Influence of Particle Size Distributions on Yield Stress and Viscosity of Cement-Fly Ash Pastes
Published: 2/1/2012
Authors: Dale P Bentz, Chiara F Ferraris, Michael A Galler, John Guynn, Andrew Hansen
Abstract: The rheological properties of blended cement-based materials depend strongly on mixture proportions and the characteristics of the components, such as cement and fly ash. In this study, design of experiments is used to investigate the influence of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906927



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