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failure mode assessment chart

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780067
EISBN: 978-1-62708-268-6
... have included brainstorming, mind mapping, Ishikawa diagrams, the “five whys” technique, flow charting, and fault-tree analysis (which, as previously noted, is preferred). After using one or more of these techniques to identify potential failure causes, the failure analysis team may have hundreds or...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... nondestructive tests, preparing and examining fractographs and micrographs, determining failure mode, writing the report, and developing follow-up recommendations. It also examines the fundamental mechanisms of failure, why they occur, and how to identify them by their characteristic features. failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... for weldments. The chapter concludes with a section on how to interpret time to failure, threshold stress, percent survival, stress intensity, and propagation rate data, and assess the precision of the associated tests. precracked specimens slow-strain-rate testing smooth specimens stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... combination of the parameters discussed in this article along with electrochemical considerations, have also been used to arrive at the corrosion rate ( Ref 16 , 17 ). A typical flow chart delineating the hierarchical reasoning structure of a predictive model described in this article is given in Fig. 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
... instrumentation is a part of the test setup. For a complete reverse loading, a chart that shows the load range and/or the tensile load to compression load ratio as a function of time (number of cycles) can be obtained while the test is in progress. The chart would show these values dropping when a fatigue crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780189
EISBN: 978-1-62708-268-6
... related failure information. Review the aforementioned information, and define the problem. Identify all potential failure causes using brainstorming, mind mapping, Ishikawa diagrams, flow charting, the “five whys” technique, or fault-tree analysis. List each potential failure cause in a failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180091
EISBN: 978-1-62708-256-3
... in the fault tree. A good tool for this is the failure mode assessment (FMA) chart. The FMA chart shown in Fig. 4 was created in a Microsoft Excel spreadsheet and comes straight from the fault tree in Fig. 3 . Note how the numbering systems on the fault tree and the FMA chart are identical and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... process programs or “charts” in a manufacturing process, and is utilized to monitor the consistency of such processes. For a microelectronics fabrication facility, an extensive number of such charts are utilized covering all parts of the fabrication process [2] . Charts are maintained on a myriad of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780001
EISBN: 978-1-62708-268-6
.... Identify all potential failure causes using brainstorming, mind-mapping, Ishikawa diagrams, flow charting, the “five whys” technique, or fault-tree analysis. List each potential failure cause in the failure mode assessment and assignment. Use appropriate documentation reviews, interviews, design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110001
EISBN: 978-1-62708-247-1
... criticality of the suspects. Volume scan diagnosis [8 , 9] which involves additional analysis steps is developed to provide this insight. Figure 1 illustrates a simple example of stacking the suspected failing nets from all dies to generate a pareto chart. Net 17043 is assessed to be more critical since...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... measurement had the same dimension before fracture. Table 1 Fracture mode identification chart Method Instantaneous failure mode (a) Progressive failure mode (b) Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual, 1 to 50× (fracture surface) Necking or...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... stress raisers are more likely to be contained in a large part than in a small part, because large parts have greater volumes and surface areas. The orientation of the fracture surfaces must be consistent with the proposed mode of failure and the known loads on the failed part. Failure in monotonic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
..., when maximized, maximize some aspect of performance) can be useful for comparing materials. Understanding the connection between properties and the failure modes is also important. Figure 26 is a chart of relationships between common failure modes and material properties. For most modes of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... and fatigue tests for the case of two- and one-side bending, simplified Smith curves were plotted for the heat-treated-only material ( Fig. 16 ) and for the carbonitrided material ( Fig. 17 ). To plot the chart, values of unlimited fatigue resistance were used from the Wöhler curves. The upper limit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... failure in this case? Was the failure the decision to save money by eliminating the tensile tests? Or was the failure the fact that no one technically assessed the specification to see if the hardness test was adequate on its own? In Chapter 1 , the levels of failure cause were grouped as...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180127
EISBN: 978-1-62708-256-3
... seen, three basic tools that are helpful in any failure investigation are a fault tree, a failure mode assessment (FMA) chart, and a technical plan for resolution (TPR) chart. They provide a documented, interchangeable, and concise set of information to ensure that all possible root causes are...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780081
EISBN: 978-1-62708-268-6
...), the SPC charts are helpful in identifying changes. Operators using SPC are trained to note all process changes directly on the SPC chart, so reviewing these offers insight into process changes not noted elsewhere. The failure analysis team should review test and inspection activities using the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... hardness, carbide type, and volume percent can have a decided impact on the wear resistance of a material in a given application, and charts exist that illustrate the vaguely defined concept of relative wear resistance of certain materials as a function of their carbide volume percent and carbide type. But...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... in the following sections and shown in flow chart form in Fig. 22.6 . Fig. 22.6 Process parameters leading to die failure [ Artinger, 1992 ] A reliable method to analyze, predict, prevent, and/or control die fatigue fracture has long been one of the most important...