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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... information on fatigue life assessment, elevated-temperature life assessment, and fitness-for-service life assessment. elevated-temperature life assessment fabrication failure analysis fatigue life assessment fitness-for-service life assessment material defects nondestructive inspection stress...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003514
EISBN: 978-1-62708-180-1
... sampling probabilistic analysis probability of failure response surface method risk analysis system reliability target reliability time-variant reliability APPLICATION of probabilistic analysis methods for life assessment of structural components is becoming more prevalent because...
Book Chapter

By R.B. Thompson
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... Abstract This article provides information on life assessment strategies and conceptually illustrates the interplay of nondestructive evaluation (NDE) and fracture mechanics in the damage tolerant approach. It presents information on probability of detection (POD) and probability of false alarm...
Book Chapter

By Mitchell P. Kaplan, Timothy A. Wolff
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003516
EISBN: 978-1-62708-180-1
... Abstract This article discusses the fundamental variables involved in fatigue-life assessment, which describe the effects and interaction of material behavior, geometry, and stress history on the life of a component. It compares the safe-life approach with the damage-tolerance approach, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the life assessment methods for elevated-temperature failure mechanisms and metallurgical instabilities that reduce life or cause loss of function or operating time of high-temperature components, namely, gas turbine blade, and power plant piping and tubing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
... Abstract This article illustrates the use of the American Petroleum Institute (API) 579-1/ASME FFS-1 fitness-for-service (FFS) code (2020) to assess the serviceability and remaining life of a corroded flare knockout drum from an oil refinery, two fractionator columns affected by corrosion under...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... Abstract Life assessment of structural components is used to avoid catastrophic failures and to maintain safe and reliable functioning of equipment. The failure investigator's input is essential for the meaningful life assessment of structural components. This article provides an overview...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4
... Abstract This article provides an outline of the issues to consider in performing a probabilistic life assessment. It begins with an historical background and introduces the most common methods. The article then describes those methods covering subjects such as the required random variable...
Book Chapter

By Phillip E. Prueter
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... reviews fatigue assessment methods incorporated in international design and post construction codes and standards, with special emphasis on evaluating welds. Specifically, the stress-life approach, the strain-life approach, and the fracture mechanics (crack growth) approach are described. An overview...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... Abstract This article provides some new developments in elevated-temperature and life assessments. It is aimed at providing an overview of the damage mechanisms of concern, with a focus on creep, and the methodologies for design and in-service assessment of components operating at elevated...
Book Chapter

By A.F. Liu
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002390
EISBN: 978-1-62708-193-1
... rate behavior and those essential elements in making spectrum crack growth life prediction. It provides information on life assessment for bulk creep damage. crack growth rate creep damage high temperature life assessment spectrum life prediction CURRENT FRACTURE MECHANICS theory treats...
Book Chapter

By P.J. Schafbuch
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006462
EISBN: 978-1-62708-190-0
... military nuclear power life assessment commerial nuclear power pressure vessels fired boilers NONDESTRUCTIVE TESTING (NDT) and nondestructive evaluation (NDE) use noninvasive measurement techniques to gain information about defects and various properties of materials, components, and structures...
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Published: 01 January 2002
Fig. 5 Creep life assessment based on cavity classification in boiler steels More
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Published: 01 January 2002
Fig. 13 Flow diagram for remaining life assessment of gas turbine blades More
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Published: 01 January 2002
Fig. 6 Fractographic evaluation for life assessment purposes. (a) Wing spar that had mechanically induced damage at a fastener hole (indicted by an arrow). (b) Plot showing how fracture information is used to establish initial and recurring inspection requirements More
Image
Published: 01 January 2002
Fig. 12 Damage-tolerance approach to life assessment. Curves indicate progression of damage from different nucleating conditions, with broken segments representing regimes in which a perfect NDE technique would remove the component from service. More
Image
Published: 01 January 2002
Fig. 15 Life assessment of rotating equipment damaged by exposure to excessive temperatures or loss of lubricant. (a) Journal that overheated because of the loss of lubricating oil. (b) Hardness test results of the heat-damaged region indicated the formation of a hard martensite layer More
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Published: 01 January 2002
Fig. 3 Illustration of the damage tolerance approach to life assessment. Curves indicate progression of damage from different nucleating conditions, with broken segments representing regimes in which a perfect NDE technique would remove the component from service More
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Published: 01 January 2006
Fig. 10 Life assessment of deaerators. Source: Ref 50 More
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Published: 30 August 2021
Fig. 6 Fractographic evaluation for life assessment purposes. (a) Wing spar that had mechanically induced damage at a fastener hole (indicted by an arrow). (b) Plot showing how fracture information is used to establish initial and recurring inspection requirements More