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Author: christopher mccowan

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51. Secondary Ferrite Number Reference Materials: Gage Calibration and Assignment of Values
Series: Special Publication (NIST SP)
Report Number: 260-141
Published: 2/1/2000
Authors: Christopher N McCowan, Thomas Allen Siewert, D P Vigliotti, C M Wang
Abstract: Ferrite Numbers (FN) were assigned to blocks of stainless steel that serve as secondary ferrite reference materials (RM 8480 and 8481), and these specimens were placed in our Reference Materials inventory. These reference materials are used to calib ...

52. Performance Verification of Impact Machines for Testing Plastics
Series: Journal of Research (NIST JRES)
Published: 12/1/1999
Authors: Thomas Allen Siewert, D P Vigliotti, L B Dirling, Christopher N McCowan
Abstract: Valid comparison of impact test energies reported by various organizations and over time depends on consistent performance of impact test machines. This paper investigates the influence of various specimen and test parameters on impact energies in t ...

53. Welding Consumable Development for a Cryogenic (4K) Application
Published: 8/1/1999
Authors: S F Kane, A L Farland, Thomas Allen Siewert, Christopher N McCowan
Abstract: This paper summarizes the development and qualification of an appropriate welding consumable for a demanding cryogenic magnet application. It begins with a review of the research conducted on cryogenic fracture toughness of wrought and welded austen ...

54. For 100 Years, Notched Bar Impact Testing Standards Have Yielded Widespread Benefits for Industry
Published: 2/1/1999
Authors: M P Manahan, Christopher N McCowan, Thomas Allen Siewert, J M Holt
Abstract: Without Standardization, the impact test has little meaning.

55. Metallurgical Evaluation of Prestressed Wire Failures
Published: 7/1/1998
Authors: Christopher N McCowan, Thomas Allen Siewert
Abstract: Prestressed concrete pipe, having an inside diameter of 6.4 m (21 ft), was used to construct a series of siphons for the Central Arizona Project.

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Looking for a NIST Special Publication (NIST SP Series)? Place the series number and dash in the report number field (Example: 800-) and begin your search.

  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
  • SP 800-XX: Computer Security Series
  • SP 823-XX: Integrated Services Digital Network Series