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pitting damage

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003661
EISBN: 978-1-62708-182-5
... pitting damage. localized corrosion pitting corrosion electrochemical noise visual examination metallographic examination nondestructive inspection metal penetration statistical analysis mechanical properties pitting damage PITTING is a form of localized corrosion that is often a...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003612
EISBN: 978-1-62708-182-5
...-segregated grain boundaries, flaws, mechanical damage, or dislocations ( Ref 19 ). Most engineering alloys have many or all such defects, and pits will tend to form at the most susceptible sites first. Pits in stainless steels are often associated with MnS inclusions, which are found in most commercial...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... key component in categorizing damage and failures. The definitions are: Damage mode: Description of the physical characteristics of damage observed. For example, intergranular fracture, buckling, transgranular beach marks, and pitting can be thought of as damage modes. Damage mode describes...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... that two distinct characteristics need to be assessed. Sometimes this occurs because, within a given system, the same wording is used to describe both the failure mode and mechanism. For example, pitting describes a damage mode because the surface of a material is pitted. In certain systems, pitting is...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003969
EISBN: 978-1-62708-183-2
... resistant to corrosion as type 304 stainless steel. The damage comprised a mixture of end-grain attack associated with manganese sulfide stringers and pitting attack of the less corrosion-resistant stainless steel. Pits cannot be allowed, because they can trap and retain food stuffs, which may result in...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... underlying fracture surface and its characteristic features is an important matter but one that is fraught with hazards for the unwary. There are dangers in that the cleaning may damage surface features, for example, by pitting attack. There are several satisfactory methods of cleaning surfaces so that they...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
.... Cleaning of fracture surfaces in order to display the underlying fracture surface and its characteristic features is an important matter but one that is fraught with hazards for the unwary. There are dangers in that the cleaning may damage surface features, for example, by pitting attack. There are several...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002392
EISBN: 978-1-62708-193-1
... Table 1 Types of corrosion Bonded Structure Corrosion Concentration Cell Corrosion Crevice Corrosion Exfoliation Corrosion Fretting Corrosion High Temperature Corrosion Intergranular Corrosion Pitting Corrosion Cavitation Corrosion Corrosion Fatigue Erosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... Abstract This article provides an overview of the classification of hydrogen damage. Some specific types of the damage are hydrogen embrittlement, hydrogen-induced blistering, cracking from precipitation of internal hydrogen, hydrogen attack, and cracking from hydride formation. The article...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... Abstract Hydrogen damage is a term used to designate a number of processes in metals by which the load-carrying capacity of the metal is reduced due to the presence of hydrogen. This article introduces the general forms of hydrogen damage and provides an overview of the different types of...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003285
EISBN: 978-1-62708-176-4
... damage from fretting begins with local adhesion between mating surfaces and progresses when adhered particles are removed from a surface. When adhered particles are removed from the surface, they may react with air or other corrosive environments. Affected surfaces show pits or grooves with surrounding...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002394
EISBN: 978-1-62708-193-1
... Abstract The inclusion of damage tolerance design and a systematic review of design procedures allow the U.S. Air Force to design, manufacture, and maintain systems that are structurally safe and economically prudent. After a brief introduction of fracture mechanics, this article describes the...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004128
EISBN: 978-1-62708-184-9
..., ultrahigh-strength, quench-and-temper steel commonly used for highly stressed aircraft parts ( Ref 29 ). This study was undertaken to incorporate pitting corrosion damage into fatigue life modeling and to avoid unnecessary maintenance of F-111 aircraft. Localized pitting damage was induced in the D6AC steel...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006371
EISBN: 978-1-62708-192-4
... compressed, it heats up, particularly at higher compression rates. If the auto-ignition temperature of the hydraulic fluid is reached at hot spots during this process, local combustion can take place with a series of micro-explosions. This phenomenon can damage seals by local burning, resulting in a pitted...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003706
EISBN: 978-1-62708-182-5
... crevice corrosion pitting corrosion damage tolerance crack growth crack initiation structural integrity CORROSION FATIGUE has been identified as a significant safety issue in the world aircraft fleets. The in-flight failure of a large section of fuselage on an Aloha Airline Boeing 737 in 1988 is...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003822
EISBN: 978-1-62708-183-2
... and insights on the most common forms of corrosion observed with titanium alloys, including general corrosion, crevice corrosion, anodic pitting, hydrogen damage, stress-corrosion cracking, galvanic corrosion, corrosion fatigue, and erosion-corrosion. It also provides practical strategies for...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004154
EISBN: 978-1-62708-184-9
...-accelerated corrosion, oxygen pitting, chelant corrosion, caustic corrosion, acid corrosion, organic corrosion, phosphate corrosion, hydrogen damage, and corrosion-assisted cracking. boilers corrosion caustic corrosion organic corrosion corrosion prevention corrosion control hydrogen damage flow...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... Exposure to vibratory cavitation of normalized AISI 1020 steel. (a) Damage after 5 min. (b) Material removal after 10 min Fig. 2 Vibratory cavitation erosion of CA-6NM martensitic stainless steel. (a) Deformation rumpling and pitting at lath boundaries. (b) Early stage of material removal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... Abstract The goal of using nondestructive evaluation (NDE) in conjunction with failure analysis is to obtain the most comprehensive set of data in order to characterize the details of the damage and determine the factors that allowed the damage to occur. The NDE results can be used to determine...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004163
EISBN: 978-1-62708-184-9
..., hot salt attack, and thermal fatigue. The article describes the various forms of corrosion which occur at the cold end of an exhaust system. The forms of cold end exhaust corrosion, including condensate pitting corrosion, exterior salt pitting, crevice corrosion, intergranular corrosion, and galvanic...