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Perforation

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Published: 01 January 2000
Fig. 15 Perforation at a dish-shaped depression on the internal surface of a large-diameter steel pipe. A large tubercle capped the depression but was dislodged during tube sectioning. Source: Nalco Chemical Company More
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Published: 30 April 2021
Fig. 4.10 Cavitation damage (perforation) of aluminum foil after ultrasonic cleaning in water More
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Published: 01 November 2019
Figure 14 CDM. Perforations at gate oxide edge just visible after deprocessing to polysilicon level More
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Published: 01 December 2003
Fig. 12 (a) Influence of polytetrafluoroethylene (PTFE) on friction and wear performance of polyetheretherketone composites, and the optimal range of PTFE amount for best combination of friction coefficient (μ) and wear rate ( K 0 ). (b) Linear correlation and synergistic effect as a result of... More
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Published: 01 July 2000
Fig. 7.10 (a) Partially perforated passive film on pit in type 304 stainless steel. (b) Fragment of passive film over edge of pit. 0.4 M FeCl 3 . Source: Ref 3 More
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Published: 01 June 1988
Fig. 8.30 Double-chamber coil for use in induction scanning; perforations are for quench spray from the quench chamber Source: American Induction Heating Corp. More
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Published: 01 January 1998
Fig. 2-3 Suggested hardness for tool steel perforator punches. Punches should be tempered to 56 to 60 HRC when subjected to heavy shock or used to pierce thick material. More
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Published: 01 July 2000
Fig. 7.3 Stages of penetration of passive film leading to corrosion pit formation. (a) Initial stage of pit formation. (b) Partially perforated passive film on pit. (c) Fragment of passive film on edge of pit. Source: Ref 3 More
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Published: 01 November 2007
Fig. 5.59 Multimet alloy fan box suffering metal dusting attack in a carburizing furnace. (a) General view of failed the sample. Note the perforated edge of the fan box. (b) Cross section of the sample showing pitting attack and severe metal thinning. (c) Severe carburization attack beneath More
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Published: 01 November 2007
Fig. 7.2 Alloy 800H recuperator suffering severe sulfidation attack in a nonferrous metal scrap melting furnace. The 9.5 mm (0.4 in) thick recuperator was perforated in less than 2 years at metal temperatures of about 650 to 760 °C (1200 to 1400 °F). (a) General view of a corroded sample. (b More
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Published: 30 November 2013
. (d) Cavitation pitting that perforated this steel freeze plug from a gasoline engine, causing leakage of coolant that could have damaged the engine. Vibration of the wall of the engine block at this location caused this type of damage on the coolant side. More
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Published: 01 November 2012
. (d) Cavitation pitting that perforated this steel freeze plug from a gasoline engine, causing leakage of coolant that could have damaged the engine. Vibration of the wall of the engine block at this location caused this type of damage on the coolant side. Source: Ref 7 More
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Published: 30 November 2013
, pits will eventually lead to complete perforation of the metal wall. More
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Published: 01 November 2012
, pits will eventually lead to complete perforation of the metal wall. Source: Ref 7 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030169
EISBN: 978-1-62708-282-2
... aluminum food containers, however, are coated to resist perforation ( Ref 1 ). Corrosion resistance of a material must be defined in terms of the use of the material. For example, a pinhole perforation in a thin-walled food or beverage container is a corrosion failure, whereas pits of the same dimensions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180217
EISBN: 978-1-62708-256-3
...- ure Analysis), ASM International, published bimonthly C.H. Kepner and B.B. Tregoe, The New Rational Manager, Kepner- Tregoe, 1997 R.J. Latino and K.C. Latino, Root Cause Analysis: Improving Perfor- mance for Bottom-Line Results, 2nd ed., CRC Press, 2002 C.R. Nelms, What You Can Learn from Things...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870045
EISBN: 978-1-62708-299-0
... and becomes self-limiting. Figure 3(a) illustrates this self-limiting effect of pitting corrosion. This plot provides a reasonable estimate of the rate at which perforation would occur in aluminum. Fig. 3 Plots of (a) the maximum depth of pitting corrosion on 3003 alloy sheet and (b) of the percent...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.9781627084475
EISBN: 978-1-62708-447-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
... holes, is one of the most insidious forms of corrosion. It can cause failure by perforation while producing only a small weight loss on the metal. This perforation can be difficult to detect and its growth rapid, leading to unexpected loss of function of the component. Pitting normally occurs...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370187
EISBN: 978-1-62708-447-5
... the casting receiver and onto the perforated platform of a water dunk tank. The casting cools in the air over the platform for a short duration, and during this time, the machine operator checks the casting for any surface blemishes. The operator records areas that need a paint touchup before closing the mold...