NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Charpy Machine Verification: Limits and Uncertainty

Published

Author(s)

Jolene Splett, Christopher N. McCowan, Chih-Ming Wang

Abstract

The purpose of this document is to clarify some issues pertaining to uncertainty statements and the ASTM E 23 limits used in the Charpy machine verification program. We explain some of the distributional subtleties associated with uncertainty and ultimately relate these to the ASTM limits.
Citation
Special Publication (NIST SP) -
NIST Pub Series
Special Publication (NIST SP)
Pub Type
NIST Pubs

Download Paper

Local Download

Keywords

absorbed energy, Charpy V-notch, impact test, pendulum impact test, uncertainty, verification testing.

Citation

Splett, J. , McCowan, C. and Wang, C. (2008), Charpy Machine Verification: Limits and Uncertainty, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50573 (Accessed October 27, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created August 31, 2008, Updated October 12, 2021
Was this page helpful?