Difference between revisions of "Materials Vocabulary"

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== A ==
 
== A ==
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*'''[http://matvocab.org/vocabulary/ml17/A-Basis A-Basis]'''
+
*[http://matvocab.org/vocabulary/ml17/A-Basis A-Basis]
 
'''Definition:''' A statistically-based material property; a 95% lower confidence bound on the first percentile of a specified population of measurements.  
 
'''Definition:''' A statistically-based material property; a 95% lower confidence bound on the first percentile of a specified population of measurements.  
 
Also a 95% lower tolerance bound for the upper 99% of a specified population. 1-34
 
Also a 95% lower tolerance bound for the upper 99% of a specified population. 1-34

Revision as of 17:42, 9 July 2014

A

Definition: A statistically-based material property; a 95% lower confidence bound on the first percentile of a specified population of measurements. Also a 95% lower tolerance bound for the upper 99% of a specified population. 1-34

Source: Composite Materials Handbook - Volume 1. Polymer Matrix Composites Guidelines for Characterization of Structural Materials, MIL-HDBK-17F-1F, 17 June 2002

Rights: Distribution Unlimited

Definition: The A mechanical property value is the value above which at least 99% of the population of values is expected to fall, with a confidence of 95%. Also called A-allowable. See also B-basis, S-basis, and typical-basis .

Source: ASM Handbook, Volume 21: Composites.

Rights: Reproduced with permission of ASM International. All rights reserved. www.asminternational.org

B

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