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structural damage

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Published: 01 October 2005
Fig. CH14.3 Microstructure of the damaged outer ring, showing tempered structure. Nital etch More
Image
Published: 01 November 2019
Figure 8 MM. Severe damage at the contacts of the ESD protection structure. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... and appears to have considerable merit in estimating the total fatigue life of notched and cracked structures. damage rate fatigue crack initiation fatigue crack propagation fatigue life nonarbitrary crack size LOW-CYCLE FATIGUE CONCEPTS based on the local stress-strain approach have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... the humidity level at 140 °F (60 °C) to eight percent RH. If no structural damage is associated with the moisturization cycle, then the original dry properties will to a large extent be reestablished. However, composites exposed to multiple absorption-desorption cycles will often display more rapid...
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 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 within...
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
..., damage mechanisms, and structural integrity of the test sample. In the sections that follow, it discusses the effects of stress and temperature on creep rate, the difference between diffusional and dislocation creep, and the use of time-temperature-stress parameters for data extrapolation. It explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... or damaged residual strength, they are usually not fatigue critical. In metal structures, fatigue is typically a critical design consideration. Fig. 9 Comparative notched fatigue strength. Source: Ref 3 Advantages and Disadvantages of Composite Materials The advantages of composites...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270095
EISBN: 978-1-62708-301-0
... and the balls revealed fine and coarse pearlite, with carbide dispersion ( Fig. CH14.4 , CH14.5 ). No other material abnormality was found in any of the parts. Fig. CH14.3 Microstructure of the damaged outer ring, showing tempered structure. Nital etch Fig. CH14.4 Microstructure of the broken...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... strength is affected by cracks (as a function of their size); to determine the safe operational life, one must be able to calculate the time in which a crack grows to the permissible size. Damage tolerance analysis is used to obtain this information. Damage tolerance is the property of a structure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... attributes of the part, such as stiffness, weight, fatigue resistance, nonrecurring and recurring costs, and damage tolerance/repairability. Once the attributes are determined, they are assigned relative weighting factors based on their importance. The team then identifies candidate structural configurations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110652
EISBN: 978-1-62708-247-1
... at the input protection structures. charged device model electrical over-stress electro-static discharge failure analysis human body model integrated circuits machine model Introduction Distinguishing between EOS and ESD failures and differentiating the subtle differences between damage due...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270175
EISBN: 978-1-62708-301-0
.... The fork end fractures were secondary in nature and might have resulted due to the seizure of plungers. Conclusion The damage to the plungers was due to cavitation erosion. Failure of the pump was due to seizure of plungers. Failure Analysis of Engineering Structures: Methodology and Case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... to increased liquid forces on irregular surface steps and fissures. In materials with pronounced nonuniform structure, damage will initiate at weak spots or in the weaker components. Fig. 7 Deformation due to a single impact on aluminum impacted by a short discrete jet of water at 750 m/s (2460 ft/s...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030193
EISBN: 978-1-62708-349-2
... 5 ). The impact parameters that influence the damage mechanism are the area, velocity, and mass of the projectile that impinges on the composite part. Material characteristics that affect the damage tolerance and mechanism of failure are the type of fiber, fiber tow structure, fiber volume, weave...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110323
EISBN: 978-1-62708-247-1
... Abstract This article presents methods that enable one to consistently, uniformly and quickly remove substrate silicon from units without imparting damage to the structure of interest. It provides examples of electron beam probing and backside nano-probing techniques. The electron beam probing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090241
EISBN: 978-1-62708-266-2
... treated. Products with recrystallized grain structures are generally more susceptible to cracking as a result of stress induced by forming or mechanical damage after heat treatment. When cold forming is required, subsequent solution heat treatment or precipitation heat treatment is recommended...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780314
EISBN: 978-1-62708-281-5
... Abstract This article describes the mechanisms of moisture-induced damage in polymeric materials, covering the characteristics of important structural plastics; the effects of moisture on glass transition temperature, modulus, creep, and stress relaxation of plastic materials; and moisture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030023
EISBN: 978-1-62708-282-2
... to the vessel make the vessel more negative and are essentially furnishing cathodic protection to the work vessel. If the grounds are not carried to the structure being constructed, it will cause severe stray-current damage to the structure. Another example is a steel-hulled vessel that is moored to a dock...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270045
EISBN: 978-1-62708-301-0
... in the investigation of two in-flight bombings. aircraft accidents explosive sabotage failure analysis DAMAGE BY EXPLOSIVE SABOTAGE continues to be a serious and increasing threat to structures all over the world. This is particularly true for international targets such as passenger aircraft. As the speed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270115
EISBN: 978-1-62708-301-0
... crack growth and rapid fracture 116 / Failure Analysis of Engineering Structures: Case Histories damage, the severity of damage decreasing progressively toward surface was observed in a SEM. The discolored half-moon-shaped the 10th stage. The roots of a few sheared blades were relatively region showed...