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Statistical analysis

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180061
EISBN: 978-1-62708-256-3
... Abstract Abstract Statistics, data analysis, root cause analysis, and problem-solving processes play a key role in failure investigations. This chapter explains how to collect failure investigation data, how to build and maintain a database for company-related failures, and how to use corresponding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780157
EISBN: 978-1-62708-268-6
...Abstract Abstract Failure analysis can sometimes involve considerations of statistics and probability. This chapter reviews some of the basic types of statistical distributions in order to understand some basic principles in their use. The main focus is on the uses of the normal distribution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... techniques for uncovering reliability issues, namely burn-in and outlier screening. References References [1] Henderson C. , “ Quality and Reliability ”, 21 st Century Product Analysis (Chapter 17) , 1 - 20 ( 2012 ) [2] Staff, “ Statistical Process Control/Design of Experiments...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... Ultrasonic Inspection Leak Testing Porosity Inclusions Oxide Films Second Phases Hot Tears Metal Penetration Surface Defects Design and Service Considerations Importance of Dimensional Inspection Typical Equipment Measurement Process Statistical Analysis Control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260233
EISBN: 978-1-62708-336-2
... experimentation and analysis for those who are not familiar with these techniques. Wolf ( Ref 2 ) reviewed the application of five of the seven tools, including Pareto charts, flow process charts, histograms, run charts, and control charts of statistical process control (SPC) to the aluminum extrusion and drawn...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260213
EISBN: 978-1-62708-336-2
.... Billet casting checklist Table 1 Billet casting checklist The flow diagram and the quality check points are shown in Fig. 5 . The parameters collected from Table 1 ( Ref 1 ) are checked through the flow chart for statistical analysis. Fig. 5 Typical flow diagram of billet...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440243
EISBN: 978-1-62708-262-4
... and classification of facts from which conclusions can be drawn with a given degree of certainty. Statistics may be used to analyze such data as obtained in coin tossing, throwing dice, measuring dimensions, or the hardness of parts after heat treating. In applying statistical analysis, the assumption...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
... vary among a lot of parts; therefore, enough measurements should be made to permit a statistical analysis. Residual stress gradients provide more useful information than surface measurements but at a much higher price. A complete study should include some residual stress gradient data. Typical practice...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850410
EISBN: 978-1-62708-260-0
... with a 95 percent confidence level. In general, to reduce the observed relative accuracy to one-half the value obtained after x measurements, four times x measurements must be performed in addition. The statistical analysis procedure is given in the section on volume fraction measurements. In nearly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110634
EISBN: 978-1-62708-247-1
... analysis and to identify outliers [21] - [24] . These outliers can either be rejected or they could be subject to additional testing [50] . Automated real-time statistical analysis can enable the testing process to tolerate and compensate for increased process variability. Statistical testing methods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630117
EISBN: 978-1-62708-270-9
... Statistical Aspects of Fatigue Examples of Fatigue Fracture Summary References References 1. Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 1986 , p 4 , 104 , 110 , 530 – 533 2. DeVries P.H. , Ruth K.T. , and Dennies D.P. , Counting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870219
EISBN: 978-1-62708-299-0
... and replication, test environment, stress levels, exposure periods, final strength determination, and statistical analysis of the raw residual strength data. See text for details. Source: ASTM website: http://www.astm.org Characteristics of laboratory and aircraft carrier environments Table 3...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250139
EISBN: 978-1-62708-345-4
..., it is possible to calculate statistical limits for the tooth breakage strength that can be used as a future material strength acceptance. Helical and bevel gears are usually evaluated in torque-type tests and the same type of statistical analysis applied. The use of statistics is particularly expedient in gear...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780171
EISBN: 978-1-62708-268-6
... analysis team can compare two or more groups of product (one with the suspect cause present, the other without) using the ANOVA technique to determine if the cause makes a difference. ANOVA is a statistical method that evaluates variability using mathematical calculations to determine if the differences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110613
EISBN: 978-1-62708-247-1
... MOSFET 20 kΩ load circuit. Abstract Abstract Electronics spans a number of devices, their configurations, and properties. A challenge is to identify those electronic subjects essential for failure analysis. This article reviews the normal operation and terminal characteristics of MOSFET...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110506
EISBN: 978-1-62708-247-1
... failure mode recognition software for defect classification [3] , data analysis tools based upon statistical methods, and powerful interactive data mining features. (See Figure 1 ). The wealth of signature information available is at the heart of the FA effort, and is often underutilized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... and the associated tooling should be able to accommodate design changes associated with the inevitable increases in design loads. To avoid scab-on reinforcements and similar last minute disruptions. 4. Not all parts are suited to composite construction. Material selection should be based on a thorough analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
... Salient beryllium statistics are based mostly on the beryllium content of beryllium-copper alloys and beryllium metal ( Table 27.1 ). In 2000, approximately 130 metric tons of beryllium contained in postconsumer old scrap was generated; approximately 5 metric tons of beryllium was recycled or reused (1...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870001
EISBN: 978-1-62708-344-7
...Abstract Abstract This chapter gives a brief overview of the role of fatigue in component failures. It presents examples of fatigue failures along with statistics on the causes and costs of fatigue damage in various industries. It also includes a chapter-by-chapter summary of the content...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
...-tetragonal zirconia polycrystalline (Y-TZP). It also provides information on materials selection, design optimization, and joining methods, and covers every step of the ceramic production process. brazing ceramic processing diffusion bonding structural ceramics toughened ceramics weibull analysis...