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corrosion detection

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... Abstract This chapter describes how ultrasonic testing came to be a viable method for evaluating intergranular stress-corrosion cracking (SCC) in large-diameter stainless steel pipe welds in boiling water reactor service. Intergranular SCC can be difficult to detect using nondestructive...
Image
Published: 01 December 2015
Fig. 14 Magnetic flux leakage tool for detection and sizing of corrosion defects in a pipeline. Courtesy of PII More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... with photographic recording. Suitable for on-site/ remote use. Nondestructive (but see limitations). National and international standards for inspection exist. Only surface-breaking cracks or defects detected. May not detect either closed or very open cracks. Dye may contaminate surface corrosion products/films...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... frequently to monitor in-service corrosion because of the simplicity and accuracy of the technique. Electrochemical techniques such as linear polarization resistance and electrochemical noise have moved from the laboratory to the processing plant and beyond to help with the detection of general and localized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
... for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels • B 117, Test Method of Salt Spray (Fog) Testing • B 368, Method for Copper-Accelerated Acetic Acid-Salt Spray (Fog) Testing (CASS Test) • B 380, Method of Corrosion Testing of Decorative Electrodeposited Coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... Abstract This chapter discusses the most common causes and contributing factors for external corrosion and stress-corrosion cracking on oil and natural gas pipelines, as well as describes procedures for prevention, mitigation, detection, assessment, and repair. The forms of external corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
...), also may occur. Fig. 1 Different forms of corrosion and deterioration. SCC, stress-corrosion cracking. SSC, sulfide stress cracking. HIC, hydrogen-induced cracking. Source: Ref 16 To maximize the likelihood of detecting and sizing defects and degradation, the most appropriate inspection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... successfully applied to detect flaws in metals, ceramics, composites, and microelectronic components. X-ray Diffraction X-ray diffraction is a common method for identifying phases in metallic materials, corrosion products, and surface deposits. Several cases of component failures due to locked...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
... in higher resistivity soil. Accelerated corrosion occurs on the foreign line at the point of current discharge. The location of the discharge can be detected because the pipe-to-soil potential is very low at that point. Likewise in an oil or gas field, where the flow-line system or the well casings from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... primary pressure boundaries for the detection and location of active flaws Detection of incipient fatigue fracture in aircraft structures Monitoring of both fusion and resistance weldments during welding and cooling Determination of the onset of stress-corrosion cracking and hydrogen damage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... the black corrosion product. Energy-dispersive analysis of the corrosion product revealed the presence of iron, calcium, phosphorus, and chromium in excess. No chlorides were detected. Auger spectroscopy revealed the presence of large amounts of carbon and nitrogen. The MIL-C-27725 coating was removed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110603
EISBN: 978-1-62708-247-1
... and solder dipping may initiate failure mechanisms such as interfacial delamination or bond pad corrosion, which can only be detected through scanning acoustic microscopy. Visual inspection also cannot detect discrepancies in termination plating materials. Such discrepancies can only be detected through...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... quickly produces easily visible corrosion on many metals in a form resembling that which occurs in industrial environments. It is therefore a test environment that is well suited to the detection of pores or other sources of weakness in protective coatings, as well as deficiencies in corrosion resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... phases such as gamma prime in nickel-base superalloys and intergranular corrosion are among the many metallurgical imperfections and undesirable conditions that can be detected and analyzed by microscopic examination of metallographic sections. Figures 11 and 12 illustrate the usefulness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030062
EISBN: 978-1-62708-282-2
... under highly oxidizing conditions is an invisible σ phase such as that encountered in type 316L and discussed previously. Testing for Intergranular Corrosion Standardized test methods for detecting the susceptibility of ferritic stainless steels to intergranular corrosion are described in ASTM...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820043
EISBN: 978-1-62708-339-3
... discusses general types of corrosive attack and their effects on service integrity as well as detection and control measures. The five corrosive attack mechanisms covered are intergranular corrosion, preferential attack associated with weld metal precipitates, pitting and crevice corrosion, stress-corrosion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... for detecting internal flaws. Certain conditions unique to forgings can create service problems, yet they are not easily detected by nondestructive inspection. Exposed end grain, which can lead to poor corrosion resistance or to susceptibility to stress corrosion cracking, is the most prevalent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090443
EISBN: 978-1-62708-266-2
... alloy products using breaking load method. ASTM A262-15: Standard practices for detecting susceptibility to intergranular attack in austenitic stainless steel. A compilation of 15 standard practices. Stress-Corrosion Cracking, Materials Performance and Evaluation, Second Edition Copyright © 2017...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
...; exposure (e.g., part of a crack may be hidden behind other structural elements); and possible corrosion products inside the crack. In general, discrimination of flaws depends on detection response levels or crack size and the level of the application noise, as illustrated in Fig. 7 . Analysis of signal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
..., photo-oxidative degradation, environmental corrosion, and chemical corrosion of polymers. It also includes some of the techniques used to detect changes in structure during polymer exposure to hostile environments. In addition, the article describes the effects of environment on polymer performance...