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NCJRS Abstract

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NCJ Number: 183256 Find in a Library
Title: NIST Random Profile Roughness Specimens and Standard Bullets, NIJ Report 601-00
Series: NIJ Research Report
Author(s): J. Song; T. V. Vorburger; R. A. Clary; M. L. McGlauflin; E. P. Whitenton; C. J. Evans
Corporate Author: National Institute of Standards and Technology (NIST)
United States of America
Date Published: July 2000
Page Count: 23
Sponsoring Agency: National Institute of Standards and Technology (NIST)
Gaithersburg, MD 20899-3460
National Law Enforcement and Corrections Technology Center (NLECTC)
Gaithersburg, MD 20879
NCJRS Photocopy Services
Rockville, MD 20849-6000
US Dept of Justice
Washington, DC 20531
Grant Number: 94-IJ-R-004
Sale Source: NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America

National Law Enforcement and Corrections Technology Center (NLECTC)
700 N. Frederick Ave.
Bldg. 181, Room 1L30
Gaithersburg, MD 20879
United States of America
Document: PDF
Type: Report (Technical)
Format: Document
Language: English
Country: United States of America
Annotation: This paper describes the development of prototype bullets for use as check standards.
Abstract: Based on the numerical controlled diamond turning process used previously for manufacturing random profile roughness specimens, the National Institute of Standards and Technology developed two prototype standard bullets. These standard bullets are intended for use in crime laboratories as check standards to help verify that the computerized optical-imaging equipment in those laboratories is operating properly. There is also a potential use of these standard bullets in nationwide and worldwide ballistics measurement traceability and unification. Test results showed that these standard bullets have identical signature marks and minimal geometrical non-uniformities such as pits, damage, etc. The digitized bullet signature is stored in a computer and can be used to reproduce the same bullet signature. The paper discusses technical requirements and design, development history of periodic and random profile roughness specimens at NIST, manufacturing technique, test results, and potential use of standard bullets. Notes, figures, references
Main Term(s): Criminology
Index Term(s): Ballistics; Crime laboratories; Crime laboratory equipment; Criminalistics; Evidence identification; Science and Technology; Scientific techniques; Technical assistance resources; Testing and measurement
Note: NIJ Law Enforcement and Corrections Standards and Testing Program
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