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full-scale structural testing

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... to construct a finite element model to analyze material performance under failure conditions. In addition, a full scale structural test was conducted to determine failure strength. It was concluded that the club failed not from ground impact but from a force reversal at the bottom of the downswing. Large...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001041
EISBN: 978-1-62708-214-3
... vehicles were subjected to extensive proving ground testing, which included the most severe terrain the vehicles were expected to encounter. Critical structural members were strain-gaged to determine the actual stresses and to allow development of full-scale laboratory component testing. At periodic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001392
EISBN: 978-1-62708-231-0
.... It is satisfactory to note that, in the replacement ring, the form of the Tee joint was modified to incorporate a full penetration butt and fillet weld. A further contributory factor was provided by the 1 16 in. thick scale which had been deposited on the furnace ring during service, and this served...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006914
EISBN: 978-1-62708-395-9
... of the materials involved all influence the burning process. As a result, no two fires are alike, and it is difficult to develop meaningful laboratory simulations. Both the relatively simple tests performed on basic polymers and their compounds and the larger-scale tests performed on fabricated structures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001167
EISBN: 978-1-62708-228-0
... structure with aligned grains of unresolved pearlite (black). 100 × This type of microstructure is very brittle and although tensile tests confirmed that the steel satisfied the specified strength requirements (700 MNm −2 Y. S.), impact tests revealed a fracture transition temperature in excess...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... properties and internal structure; this method is the focus of this article. In a pulse-echo configuration, the same transducer is used to receive the sound after it has propagated through the water-coupling medium and the material under test. The pulser section of the ultrasonic system applies a high...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... that may help rule out certain possibilities and dismiss one particular hypothesis. Often, testing is not feasible due to cost or other limitations. Full-scale testing to simulate large, catastrophic, or costly accidents, such as building collapses or explosions, is usually not possible due to cost...
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
... of establishing fail-safe designs for critical components. Boeing B-47s (four different aircraft suffered fatigue failures resulting in wing losses), 1958: These failures led to new fatigue requirements and the development of structural integrity programs that included full-scale fatigue testing. General...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... that the arrangement of the component and conditions during the test are relevant to the accident. Testing may also reveal other occurrences that may help rule out certain possibilities. Often, testing is not feasible due to cost or other limitations. Full-scale testing to simulate large, catastrophic, or costly...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
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
... that the strength will degrade below its design ultimate value due to fatigue cracking. The determination of the safe-life of an aircraft depends primarily on the results of a full-scale fatigue test of the structure. The number of simulated flight hours of operational service successfully completed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001005
EISBN: 978-1-62708-215-0
..., revealed that fatigue crack initiation occurred from the tip of oxide scale inclusions forged into the U-shaped arm at the inside radius. Corrective action involved redesigning the steering arm to increase the minimum forging radius and reduce the stress level at the inner-bend radius, and reducing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... into a pipeline when the operator found a lap in the outer surface. The lap was approximately 75 mm (3 in.) long and extended through almost the entire wall. A slight ridge on the inner surface had prevented leakage through the lap during hydrostatic testing. A section across the lap showed light mill scale...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... of the pitting. This scale occurred in four layers ( Fig. 3c ). Chemical analysis of the scale revealed it to be iron sulfide of various compositions in four distinct layers. Table 2 lists the probable composition and thickness of each layer. The layered structure of the scale indicated hydrogen sulfide...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
... of cracks by magnetic particle or sonic testing. Cold etching is a useful indicator too. Make a thorough microscopic examination of structure, including uniformity, grain size, decarburization, carburization, and rating of retained austenite. Survey the hardness of a tool in its as-received condition...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
... occurred in the casualty heat. Testing Procedure and Results Metallography Microstructural Analysis <xref rid="c9001111-ref1" ref-type="bibr">(Ref 1)</xref> Endquench hardenability (EQH) Jominy test bars from selected steel plates and full-thickness plate seetions of the same plates were...
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
... evaluations, the creep cavitation damage assessment, the oxide-scale-based life prediction, and high-temperature crack growth methods. coating evaluation creep cavitation damage assessment elevated-temperature failure gas turbine blade hardness testing high-temperature crack growth methods life...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... close to 70%, K of 449 MPa, and a hardening exponent n of 0.088. No directional dependency was observed. Fig. 3 Specimen geometry for monotonic and cyclic tests (all dimensions in mm) Fig. 4 Three different tensile test results Fig. 5 Stress-plastic strain log scale plot...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... specimens were machined and tested from service-fractured pins as well as exemplar stock pins from known good lots. Full-sized pins from the suspect production lot were also tensile tested to observe the normal overload fracture characteristics at room temperature. The full-sized pins fractured at the same...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
... in a venturi apparatus and with months of operation in full-scale turbines. Acknowledgments The section on test method is adapted from Corrosion , Volume 13 of the ASM Handbook , 1987, p 311–313. References References 1. Franc J.P. , Avellan F. , Belahadji B. , Fréchou D...