1-20 of 88 Search Results for

void documentation

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
..., and voids that occur in honeycomb core composites. The final section of the chapter discusses void documentation through the use of nondestructive inspection techniques and density/specific gravity measurement methods. composite materials honeycomb core composites ply-drops void analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... discontinuous or continuous fibers. The sample preparation methods cover documentation and labeling of samples, sectioning the composite, clamp-mounting composite samples, mounting composite samples in casting resins, and the addition of contrast dyes to casting resins. Information on the molds used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030223
EISBN: 978-1-62708-349-2
... of the intermingling of the film adhesive/prepreg resin system. It discusses the causes and effects of honeycomb core movement, which results in core crush. The chapter also explains the formation of a void in honeycomb composites and the failure mechanisms in honeycomb sandwich structure composites. failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110603
EISBN: 978-1-62708-247-1
..., laminate or substrate materials Packaging evaluation Delamination of the molding compound from the lead frame, die, or paddle; voids and cracks in molding compound; and unbonded regions and voids in the die-attach material Die inspection Die markings (e.g., manufacturer logo, date code...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
...-magnification bright-field illumination of the cross section. Usually, 25 to 50× magnification is sufficient for documentation of voids, but magnification up to 100× is sometimes required. It is important to realize that this is the total magnification observed and not just the objective magnification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
.... Two documents were created to fill that need and to help automakers meet their application goals. The first document, titled “Advanced High-Strength Steels Application Guidelines,” Version 4.1 ( Ref 14.1 ), was released in June 2009 by WorldAutoSteel. The second document, titled “Advanced High...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
...× A scanning electron microscope (SEM) was used to examine the fracture surfaces and to document the mode of failure. Figure 5 shows the fracture topographies of the primary fracture in the strain bar. The secondary fractures in the strain bar are shown in Fig. 6 . Fatigue striations emanated from fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... can be attributed to material imperfections. For wrought products, this could be related to segregation, inclusions, porosity, laps, and seams. For castings, these imperfections could be cold shuts, inclusions, shrinkage, voids, and porosity. Forgings can have laps, seams, segregation, and anisotropy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110587
EISBN: 978-1-62708-247-1
... alignment in the can, as well as, presence of voids in the can-to-lid solder seal. Before starting the actual destructive analysis, it is critical to document, as accurately as possible, the condition and the failure mode of the failed Ta-CAP in its as-received condition. The external and internal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
...Abstract Abstract This chapter discusses the basic steps of a failure investigation. It explains that the first step is to gather and document information about the failed component and its operating history. It advises investigators to visit the failure site as soon as possible to record...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110010
EISBN: 978-1-62708-247-1
... challenging; a systematic approach is therefore critical. This article proposes a package failure analysis flow for analyzing open and short failures. The flow begins with a review of data on how the device failed and how it was processed. Next, non-destructive techniques are performed to document...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
... ones are those generated by the interaction of gas and metal that promote the appearance of voids. In general, there are two kinds of voids: those generated by gas, and shrinkage pores. Porosity Caused by Gas Porosity Caused by Shrinkage Pores Among the several kinds of defects that may occur...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
.... Correlation of degree of creep voiding with percent of creep life consumed. Top left, 40%; top right, 60%; bottom left and right, 80% ( Ref 78 ; courtesy of J. Wortmann, MTU Motoren-und Turbinen-Union, Munich). Fig. 9.49. Decrease in time to failure with creep voiding ( Ref 77 ; courtesy of Prof. Y...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030115
EISBN: 978-1-62708-349-2
... composites. The angle at which the section is taken is important when quantifying anomalies such as voids and microcracks. If extensive microcracking of the resin matrix has occurred, thin sections perpendicular to the fibers would be extremely fragile, and the specimen may tend to break apart...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780404
EISBN: 978-1-62708-281-5
... polymer tested in uniaxial tension Fig. 15 Crack formation from a craze Fig. 9 Failed polycarbonate lenses exhibited primary and secondary cracking associated with solvent swelling and cracking Fig. 16 Shrinkage void on field fracture surface of polycarbonate. 12× Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780177
EISBN: 978-1-62708-281-5
..., fillers, pigments, and voids. With the described setup, accuracies of 0.1 to 0.3% can be obtained. However, if haze is greater than 30%, ASTM E 167 should be used. Transmission is normally measured and plotted against wavelength. If a material exhibits no internal absorption or internal haze...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... and perhaps prevent similar failures in the future. A failure analysis should provide a well-documented chain of evidence that either excludes or supports possible interpretation of the damage evidence. Clear-cut conclusions do not always occur, and the tendency of developing preconceived interpretations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
.... Inspection often begins with a prejob conference, at which time the ground rules are set. When the work begins, however, the inspector is responsible for witnessing, verifying, inspecting, and documenting the coating procedures at various inspection points. If feasible, these inspection points should include...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... to the overall operation can be established, as well as possible sources of stress. Photographs or other forms of visual documentation are critical for recording the location of the failure(s), the extent of cracking, the presence of corrosion products, evidence of mechanical damage, and other pertinent details...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... of Guidelines , Vol 1 , General Document, The American Society of Mechanical Engineers (ASME) , CRTD, Vol 20-1 , 1991 14. Health and Safety Executive (UK) HSE contract research report 363/2001, “ Best Practice for Risk-Based Inspection as a Part of Plant Integrity Management ,” 2001 15. API RP...