Alea.A: Crack growth of aluminum A-alloy due mechanical fatigue...

Description Format Details Source Examples

Description

Crack growth of aluminum A-alloy due mechanical fatigue efforts. Alea.A is a data frame composed of 262 rows y 3 columns.

Format

This data frame is composed of the following columns:

cycles

21 vectors with times or cycles corresponding to each specimen (overall 262 cycles).

cracks

21 vectors with the crack lengths corresponding to each specimen.

sample

21 different specimens, each one repeated the number of elements of "cycles" or "cracks".

Details

Alea.A is composed of the crack length growth and number of cycles of 21 different specimens. It is detailed in Hudak et al. (1978) and referred by Meeker and Escobar (1998) in table C.14.

Source

Meeker, W., Escobar, L. (1998) Statistical Methods for Reliability Data. John Wiley & Sons, Inc. New York.

Examples

1

Example output

Loading required package: KernSmooth
KernSmooth 2.23 loaded
Copyright M. P. Wand 1997-2009
Loading required package: kerdiest
Loading required package: date
Loading required package: chron
Loading required package: evir
Loading required package: nlme

FCGR documentation built on May 2, 2019, 9:26 a.m.