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Keywords: Statistics
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Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. May 2012, 9(5): 1–17.
Published Online: July 17, 2012
... allows the precise control of environmental factors but also permits in situ characterization tests so that the specimens need not be removed from the apparatus chamber. Graphical and quantitative statistical approaches have been used to analyze the data. The study shows that the critical role of each...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. June 2010, 7(6): 1–14.
Published Online: June 1, 2010
... a relationship between the given number of test specimens and resultant significant differences at L 10 and L 50 lives in an accelerated test with an arbitrary reliability. This relationship is also useful to estimate the appropriate number of test specimens based on statistical logic. Of note, calculations...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. July 2007, 4(7): 1–13.
Published Online: July 1, 2007
...Terese Suvorovs; Nicholas R. Ward; Theodore A. Steinberg; Richard Wilson This paper presents an analysis of promoted ignition test data based on formal statistical techniques. Logistic regression is identified as an appropriate method for modeling binary burn–no-burn test data. Logistic regression...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. June 2005, 2(6): 1–10.
Published Online: June 1, 2005
...E Altus In its initial evolution stage, fatigue damage consists of many microdamage sites, having random sizes and locations. The way in which these sites grow and coalesce has a crucial effect on the macro fatigue life. A statistical micromechanic fatigue model has been developed, in which...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. September 2004, 1(8): 1–14.
Published Online: September 1, 2004
... distribution of fatigue lives to be calculated. This involves direct consideration of the statistical relationship between crack initiation and crack propagation, so that the distribution of initiation lives can be derived accurately. However, incorporating these considerations directly into the methodology...
Journal Articles
Publisher: ASTM International
Article Type: Research-Article
J. ASTM Int.. February 2004, 1(2): 1–12.
Published Online: February 1, 2004
...C Annis Many engineers effect “probabilistic life prediction” by replacing constants with probability distributions and carefully modeling the physical relationships among the parameters. Surprisingly, the statistical relationships among the “constants” are often given short shrift, if not ignored...