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structural assessment

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030245
EISBN: 978-1-62708-349-2
...Abstract Abstract Lightning damage in polymer composites, as in metal structures, is manifested by damage at both the macroscopic or visual level and within the material microstructure. In addition to visual damage assessment, non-destructive inspection techniques are employed to detect damage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030137
EISBN: 978-1-62708-349-2
...Abstract Abstract Analyzing the structure of composite materials is essential for understanding how the part will perform in service. Assessing fiber volume variations, void content, ply orientation variability, and foreign object inclusions helps in preventing degradation of composite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870105
EISBN: 978-1-62708-344-7
...Abstract Abstract This chapter reviews the theories that have emerged from the widespread study of multiaxial fatigue and assesses their validity using data from different sources. It begins by providing background on the studies that the chapter draws on, pointing out differences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270072
EISBN: 978-1-62708-301-0
... broke off due to a combination of fatigue, bending stresses, and wear. It also includes a recommendation to assess the structural integrity of the bearing housing after every 100 h of service using nondestructive techniques. fractography visual examination wheel hub Summary Background...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... Abstract Abstract This chapter discusses the various factors influencing the evaluation of fatigue fracture of nitrided layers. It begins by describing the problems of enhancing the fatigue resistance of machine components. The significance and detailed assessment of the effect of a structural flaw...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
... = 385 kJ/mole. 22 20Cr-25Ni-Nb steel 700-750 n varied from 6 to 8.4 with increasing T. Q varied with σ . At σ = 79 MPa, Q = 678 kJ/mole. ... ... Values of n and Q are only “apparent” unless a back stress due to NbC precipitate is considered. Life-assessment techniques...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... analytical modeling and prediction techniques, accurate life-assessment methods, and a fortified commitment to avoid the recurrence of these failures through improved designs. The examples cited in Table 1 were serious and often tragic failures that had a great impact on structural designs and life...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
...Practical information derived from polymer analysis methods Table 1 Practical information derived from polymer analysis methods Test method Properties measured Use in failure analysis Fourier transform infrared spectroscopy (FTIR) Molecular bond structure Material identification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
.... Remaining life assessment evaluates the present condition of the tubes and predicts their potential remaining life span. Remaining life assessment of boiler tubes is necessary because the tubes undergo in-service structural and microstructural damage due to mechanical and thermal stresses, and the tubes...
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 Petroleum , 1993 22. “ Review of Corrosion Management for Offshore Oil and Gas Processing ,” Health and Safety Executive (UK) HSE Offshore Technology Report 2001/044, 2001 23. BS 7910, “ Guide on Methods for Assessing the Acceptability of Flaws in Metallic Structures ,” 1999 24. Kowaka...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
...Abstract Abstract This chapter covers the failure modes and mechanisms associated with boiler components and the tools and techniques used to assess damages and predict remaining component life. It begins with a review of the design and operation of a utility boiler and the materials used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
... is the system that most completely fulfills the company’s functions. Most companies in Europe were previously certified to ISO 9000 through the European Network for Quality System Assessment (EQNet). The important International Organization for Standardization (ISO) standards for quality management...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780336
EISBN: 978-1-62708-281-5
... compounds of lower molecular weight than the parent material. In the latter case, the material may lose some structural integrity and could be judged biodegradable when assessed by methods such as weight loss or depolymerization but would not necessarily be judged biodegradable if assessed quantitatively...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700249
EISBN: 978-1-62708-279-2
... is valid because: WorldAutoSteel has implemented the life cycle assessment (LCA) approach in the FutureSteelVehicle program where AHSS and optimized steel body structure designs were used to reduce vehicle weight by 35% and total life cycle emissions by nearly 70% at no additional cost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
...Abstract Abstract This chapter covers the failure modes and mechanisms of concern in steam turbines and the methods used to assess remaining component life. It provides a detailed overview of the design considerations, material requirements, damage mechanisms, and remaining-life-assessment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270031
EISBN: 978-1-62708-301-0
... to Assess Integrity of Coated Structures , Materials Ageing and Component Life Extension , Vol I , Bicego V. , Nitta A. , and Viswanathan R. , Ed., Engineering Materials Advisory Services Ltd. , Warley, U.K. , 1995 7. Underwood E.E. and Banerji K. , Quantitative...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... to correct the conditions that allowed these nonconformances to occur, but the team cannot jump to the conclusion that just because a component is nonconforming it must have caused the failure. Each nonconformance should be compared to the fault-tree analysis and the failure mode assessment and assignment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... approach for determining only the molecular weight of a resin, but not the molecular weight distribution, involves dissolving the polymer in a suitable solvent. However, the more structurally complicated macromolecules require the use of hostile solvents, tedious sample preparations, and costly time delays...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310001
EISBN: 978-1-62708-346-1
...Abstract Abstract This chapter discusses the history of hardness testing and defines the term hardness. It describes the interrelationship between material structure and hardness and the relationships between hardness and other mechanical material properties. In addition, information...