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You searched on: Author: jun-feng song

Displaying records 81 to 90 of 129 records.
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81. Development of NIST Standard Bullets and Casings Status Report
Published: 11/1/2000
Authors: Jun-Feng Song, Theodore Vincent Vorburger, Alim A Fatah
Abstract: In April 1998, two prototype standard bullets were developed at the National Institute of Standards and Technology (NIST). In October 1999, prototype standard casings were also developed at NIST. The standard bullets and casings are intended for use ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820980

82. Development of NIST Standard Bullets and Casings Status Report, National Institute of Justice Report 603 00
Published: 11/1/2000
Authors: Jun-Feng Song, Theodore Vincent Vorburger
Abstract: To enable nationwide and worldwide ballistics measurement traceability and unification, the National Institute of Standards and Technology (NIST) developed standard bullets and casings. This report details the creation and testing of these prototypes ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901998

83. Dimensional Metrology of Millimeter- and Sub-millimeter-scale Components
Published: 10/1/2000
Authors: Theodore Vincent Vorburger, Jun-Feng Song, Joseph Fu, M Tundermann, Thomas B Renegar, Theodore D Doiron, N G Orji
Abstract: Decreasing sizes and tolerances of engineering components bring a demand for decreasing uncertainty in the dimensional measurements of these parts. Hence there is increasing need for measuring machines capable of performing dimensional and geometrica ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820999

84. Form Error and Hardness Performance of Rockwell Diamond Indenters
Published: 9/1/2000
Authors: Jun-Feng Song, Samuel Rea Low III, Li Ma
Abstract: The influences of form errors on hardness performance of Rockwell diamond indenter are discussed. Experimental results are introduced. The Finite Element Analysis (FEA) method is used to simulate the hardness measurement process. The effect of tip ra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820979

85. Capability in Rockwell C Scale Hardness
Series: Journal of Research (NIST JRES)
Published: 7/1/2000
Authors: Walter S Liggett Jr, Samuel Rea Low III, David J Pitchure, Jun-Feng Song
Abstract: To determine the capability of a system for Rockwell C scale hardness, one must make test measurements, which can be planned and interpreted as explained in this paper. Uncertainty, which is one part of capability, is treated specifically, and produ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=151752

86. Capability in Rockwell C Scale Hardness
Published: 7/1/2000
Authors: Walter S Liggett Jr, Samuel Rea Low III, David J Pitchure, Jun-Feng Song
Abstract: A measurement system is capable if it produces measurements with uncertainties small enough for demonstration of compliance with product specifications. To establish the capability of a system for Rockwell C scale hardness, one must assess measuremen ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821003

87. Proposed Bullet Signature Comparisons Using Autocorrelation Functions
Published: 7/1/2000
Authors: Jun-Feng Song, Theodore Vincent Vorburger
Abstract: The National Institute of Standards and Technology (NIST) standard bullets and casings are intended as reference standards for crime laboratories to help verify that the computerized optical-imaging equipment in those laboratories is operating proper ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820981

88. An Overview of Nano-Micro-Meso Scale Manufacturing at the NIST
Published: 3/13/2000
Authors: E Amatucci, Nicholas G Dagalakis, Bradley N Damazo, Matthew A. Davies, John Evans, Jun-Feng Song, E Clayton Teague, Theodore Vincent Vorburger
Abstract: The future of nano-, micro- and meso-scale manufacturing operations will be strongly influenced by a new breed of assembly and manufacturing tools that will be intelligent, flexible, more precise, include in-process production technologies and make u ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822451

89. An Overview of Nano-Micro-Meso Scale Manufacturing at the National Institute of Standards and Technology (NIST)
Published: 3/1/2000
Authors: E Amatucci, Nicholas G Dagalakis, Bradley N Damazo, Matthew A. Davies, John Evans, Jun-Feng Song
Abstract: The future of Nano, Micro and Meso Scale manufacturing operations will be strongly influenced by a new breed of assembly and manufacturing tools that will be intelligent, flexible, more precise, include in-process production technologies and make ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820665

90. A Fast Algorithm for Determining the Gaussian Filter Mean Line in Surface Metrology
Published: 1/1/2000
Authors: Y B Yuan, X F Qiang, Jun-Feng Song, Theodore Vincent Vorburger
Abstract: A fast algorithm for assessing the Gaussian filtered mean line was deduced using the central limit theorem and an approximation method. This algorithm only uses simple computer operations such as addition, subtraction and digit shifting, and avoids ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823110



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