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statistical hypothesis testing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... variability in materials. A statistical criterion must normally be established to compare values, taking into account not only averages but also their statistical dispersions. Once the basic conditions of the test of hypothesis are defined, the performance of the actual tests and exams can be started...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200206
EISBN: 978-1-62708-354-6
... by Montgomery ( 12 ). Capability indices are statistical estimates from sample data and, as such, they are not exact values but have confidence intervals surrounding them ( 13 ). Demonstrating achievement of a particular capability is a statistical hypothesis testing problem, not just a straightforward...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
... Abstract Root cause of failure in automotive electronics cannot be explained by the failure signatures of failed devices. Deeper investigations in these cases reveals that a superimposition of impact factors, which can never be represented by usual qualification testing, caused the failure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780204
EISBN: 978-1-62708-281-5
... initiation, the kinetics of craze growth, and the effect of crazing on toughness of the plastic. In addition, the article provides information on various tests to determine stress-to-craze value, strain-to-craze value, and fracture toughness of the plastic. ductile-brittle transitions crazing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
.... The comparison can be made either between two different materials at the same testing conditions or for one material at different testing conditions. For example, FCP data for PMMA at 1 Hz and at different testing temperatures were obtained ( Ref 52 ). The data were then statistically fit ( Ref 53 ) to the Paris...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
.... First, however, the techniques used to measure SCC are reviewed briefly. Stress-corrosion cracking experiments can be categorized as: Tests on statically loaded smooth samples Tests on statically loaded precracked samples Tests using slowly straining samples More detailed information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... the cause of failure. When this happens, gear design calculations and laboratory tests are necessary to develop and confirm a hypothesis for the probable cause. Now it is time to examine all information and determine how the gears failed. As described earlier in this chapter, several failure modes may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930071
EISBN: 978-1-62708-359-1
... of the alloying elements niobium, silicon, and carbon on the temperature range of two-phase coexistence of liquid and solid (equilibrium melting/solidification temperature range) and on solidification cracking susceptibility. Solidification cracking susceptibility was measured with the varestraint test, using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110228
EISBN: 978-1-62708-247-1
... to start with detailed knowledge of the circuit, a fault tree analysis, or a hypothesis of the root cause. The only necessary deliverables are the failing DUT, the test that demonstrates the failure, and the voltage, frequency or other bias conditions that modulate the failure. The bias conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
... W. , A Statistical Distribution of Wide Applicability , J. Appl. Mech. , Vol 18 , 1951 , p 293 – 297 10.1115/1.4010337 A.55 Halford G.R. Lerch B.A. and McGaw M.A. , Fatigue, Creep-Fatigue, and Thermomechanical Fatigue Life Testing , Mechanical Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... Abstract This chapters discusses the basic steps in the failure analysis process. It covers examination procedures, selection and preservation of fracture surfaces, macro and microfractography, metallographic analysis, mechanical testing, chemical analysis, and simulated service testing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870075
EISBN: 978-1-62708-344-7
... is present, this direct relation is altered, but the efficacy of the parameter remains the same. Voluminous test results have been generated to validate the SWT hypothesis. To implement the method it is merely necessary to know the ordinary material characterization according to the Manson-Coffin-Basquin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... of elasticity 340,000 MPa Comparison of experimental cyclic lives for tests in <xref ref-type="fig" rid="t52060173-f20">Fig. 8.20</xref> with predictions by various methods Table 8.3 Comparison of experimental cyclic lives for tests in Fig. 8.20 with predictions by various methods 1 2 3 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
... presents and discusses some frequently used mode 1 (crack opening mode) stress-intensity factors. Several crack geometries simulate those found in structural/machine parts, or used as laboratory test specimens for fatigue crack growth and fracture testing. 5.1.1 Two-Dimensional Crack For a given...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110067
EISBN: 978-1-62708-247-1
... signature analysis and GHz-SAM. GHz -SAM integrated circuit inspection scanning acoustic microscope semiconductor packages spectral signature analysis Introduction The Scanning Acoustic Microscope (SAM) has been adopted by assembly and test facilities, packaging researchers and integrated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930141
EISBN: 978-1-62708-359-1
... of the structural details listed in Table 2 is reanalyzed and restricted to data for R = 0 tests and data for steels having yield strength less than 50 ksi (345 MPa). In several instances, the AISC classification of the joint was altered by this procedure. Comparison of fatigue data for structural details...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.9781627083485
EISBN: 978-1-62708-348-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... increasing mean compressive stress p measured by the increase in the reduction in area at fracture φ in tensile tests at room temperature The extensive variations in the extrusion process enable a wide spectrum of materials to be extruded. After rolling, extrusion can be considered to be the most...