at7987: Aluminum Alloy T7987 Fatigue Life Test
In Auburngrads/SMRD.data: Statistical Methods For Reliability Data - Datasets
Description
Format
Source
See Also
Description
A test was conducted to assess the fatigue life of an alloy,
designated as T-7987. In this test, 72 specimens were subjected
to an unreported load spectrum. The number of cycles at which a
specimen failed was recorded (rounded to the nearest thousand cycles).
Of the 72 units tested, 67 failures were observed and 5 units were right
censored at 300 kilocycles.
Format
A data.frame with 68 rows and 3 variables:
[, 1] kilocycles Accumulated cycles at event (in thousands) Numeric
[, 2] event Event observed at kilocycles (failed/right-censored) Categoric
[, 3] count Number of events observed at kilocycles Numeric
Source
Meeker, W. Q. and Escobar, L. A. (1998),
Statistical Methods for Reliability Data, New York, NY; John Wiley & Sons.
See Also
Other data-done: alloya,
bearingcage, berkson20,
bleed, ceramicbearing,
cirpack6, comptime,
computerlab, cylinder,
devicea, deviceb,
devicec, deviceg,
fan, gaaslaser,
grampus, grids1,
halfbeak, heatexchanger,
lfp1370, lfptrun100,
lzbearing, metalwear,
mylarsub, nicdbattery,
piccioto,
printedcircuitboard,
resistor2, resistor,
superalloy, tantalum,
turbine, v7tube,
valveseat, zelencap
Auburngrads/SMRD.data documentation built on May 13, 2019, 10:02 a.m.
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Description Format Source See Also
Description
A test was conducted to assess the fatigue life of an alloy, designated as T-7987. In this test, 72 specimens were subjected to an unreported load spectrum. The number of cycles at which a specimen failed was recorded (rounded to the nearest thousand cycles). Of the 72 units tested, 67 failures were observed and 5 units were right censored at 300 kilocycles.
Format
A data.frame with 68 rows and 3 variables:
| [, 1] | kilocycles | Accumulated cycles at event (in thousands) | Numeric |
| [, 2] | event | Event observed at kilocycles (failed/right-censored) | Categoric |
| [, 3] | count | Number of events observed at kilocycles | Numeric |
Source
Meeker, W. Q. and Escobar, L. A. (1998), Statistical Methods for Reliability Data, New York, NY; John Wiley & Sons.
See Also
Other data-done: alloya,
bearingcage, berkson20,
bleed, ceramicbearing,
cirpack6, comptime,
computerlab, cylinder,
devicea, deviceb,
devicec, deviceg,
fan, gaaslaser,
grampus, grids1,
halfbeak, heatexchanger,
lfp1370, lfptrun100,
lzbearing, metalwear,
mylarsub, nicdbattery,
piccioto,
printedcircuitboard,
resistor2, resistor,
superalloy, tantalum,
turbine, v7tube,
valveseat, zelencap
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