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static load testing

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... techniques and discusses the advantages and limitations of each technique when used in failure analysis. The focus is on various types of static load testing, hardness testing, and impact testing. The testing types covered include uniaxial tension testing, uniaxial compression testing, bend testing, hardness...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... of the material. A strain gage static loading test verified FEM results, and finite element techniques were applied in the design of reinforcing members to renovate the frames. Material properties were determined and welding procedures specified for the reinforcing members. Inspection intervals were devised...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... yet. The bar could withstand mounting and subsequent static loading as long as it was treated with care, as could be expected from the good deformation characteristics of the static tensile test. The question is, however, whether occasional impacts or shocks can be assuredly avoided. This risk could...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046870
EISBN: 978-1-62708-217-4
... static radial, cyclic torsional, and cyclic bending loads. Cracking originated at corrosion pits on the smoothly finished surface and propagated as multiple small corrosion-fatigue cracks from separate nuclei. The originally noncorrosive environment (hydraulic oil) became corrosive in service because...
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
... service. Stress (over tightening)/thermal cycling tests were performed, sometimes resulting in brittle fractures in less than ten cycles. These fractures occurred during a static load portion of the cycle after an unrecorded period of time. These samples were also examined. The lab-fractured samples...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001295
EISBN: 978-1-62708-215-0
... defects in the wire appeared to be somewhat greater in fatigue than under static loading conditions. The most important conclusion reached from these tests was that, under normal conditions, the wire was extremely tough and resistant to most natural hazards—damage, wear, and plastic deformation—likely...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... and 49.6 MPa in the circumferential direction, exist below the contact surface in a broken piece cut from failed cartwheel. Therefore, the driving force of the fatigue crack must be the combination effect of mechanical load and thermal load. Figure 3 and 4 show the mechanical and fatigue testing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
... analysis was used to predict the stress level of the transmitting shaft. For a shaft subjected to combined steady loadings of torsion and bending moment, the maximum values of the static stresses at the spline root were calculated to be 140 MPa tensile stress and 83 MPa shear stress. In addition...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048626
EISBN: 978-1-62708-225-9
... not disclose the presence of hydrogen. Consequently, the remaining bolts were tested under static loading. The bolts were static loaded in tension on a creep frame. Delayed failure occurred in the as-plated bolts, but no failure occurred in the bolt that was baked to remove the hydrogen. Test results were...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
..., the many problems encountered have stimulated the development and testing of numerous special-purpose fasteners and systems. Some of these problems are drilling of and installation damage to the composite, delamination of the composite material around the hole and pullout of the fastener under load...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001558
EISBN: 978-1-62708-217-4
...Abstract Abstract A liquid hydrogen main fuel control valve for a rocket engine failed by fracture of the Ti-5Al-2.5Sn body during the last of a series of static engine test firings. Fractographic, metallurgical, and stress analyses determined that a combination of fatigue and unexpected...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... hydrogen damage and SCC. One method of distinguishing between hydrogen embrittlement and SCC is to note the effect of small impressed electric currents on time to failure in a constant-load test. If cracking has occurred by a stress-corrosion mechanism, application of a small anodic current shortens...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001459
EISBN: 978-1-62708-234-1
... of the requirements of the imposed loads. About the middle of the last century it was realised by some engineers that fluctuating loads were potentially more dangerous than Static ones of the same magnitude. In 1843 Rankine 1 , who later became famous for his work on mechanics, recognized the distinctive character...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... produces time-delayed fractures in production parts (especially high-strength steels) even with no externally applied stress. The phenomenon is characterized by the simultaneous interactions of sustained static or very slowly changing loads on susceptible materials that have internal dissolved atomic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001135
EISBN: 978-1-62708-219-8
... photos were taken of the fracture modes of the fractured samples. By instrumenting the hammer on this test device, information regarding load versus time can be obtained for the entire fracture process. This load versus time curve can give information regarding maximum load, yielding and fracture...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... loading. The S - N curve is the basis for fatigue design and shows the relationship between a constant stress amplitude, S a (or stress range, Δ S ), and the number of cycles to failure, N . The regions of the curve can be separated into the quasi-static, finite-life, and infinite-life regimes...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... useful when performing failure analysis investigations. Consider the case of a simple uniformly loaded cantilever beam shown in Fig. 2(a) . The stress and deflection profiles for this structural member are derivable from beam theory and are readily available in many engineering tests. Closed-form...
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
..., statistics, testing methods, and design. In order to predict the life of the component, therefore, the determination of rational inspection intervals requires the knowledge of several engineering disciplines. One needs to know the future loadings of the structure so one may anticipate (calculate) its life...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...