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dynamic deformation

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006930
EISBN: 978-1-62708-395-9
... that are predominantly in the solid state and the methods employed for solids testing. Examples of unidirectional and dynamic oscillatory testing are provided for different mechanical behaviors. deformation flow behavior polymers rheological testing Rheology Fundamentals Rheology is defined as the study...
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
.... A close examination of wire that had been flown several times without failure was also made, and dynamic tests were conducted to investigate the fracture characteristics of wire subjected to dynamic loading. It was concluded that dynamic shock loading transmitted by the target during unsteady flight...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006941
EISBN: 978-1-62708-395-9
... and temperature superposability, dynamic tests can be run at different temperatures in order to judge the change in the viscoelastic behavior of a material for experimentally inaccessible frequency ranges, or vice versa ( Ref 5 , 8 , 10 ). Time-Temperature Superposition Principle The deformational...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001851
EISBN: 978-1-62708-241-9
...: This mode is independent from the running speed. Fig. 8 Natural frequencies of studied spinning system Fig. 9 Deformed shape of the second coupled mode (5000 rpm); 1st mode Fig. 10 Deformed shape of the disc mode (5000 rpm); 3rd mode Dynamic Response The frequency...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
... and expected range of temperature in application. Along these lines, a way to estimate the ductile-to-brittle transition temperature as a function of deformation rate based on the dynamic mechanical testing of plastics was suggested ( Ref 24 ). Good agreement between estimates and experimental data from...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... are derived, which describe the balance between elasticity, viscosity, and energy absorption. Standard methods are given in ISO 6721 and ASTM D5023 to D5026. Because dynamic properties are usually measured with small deformations, they involve only relative displacement of polymer segments in the linear...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001767
EISBN: 978-1-62708-241-9
... using optical and scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). The exterior surfaces of all six brackets were alike and shared similar features, including witness marks, discoloration, mechanical deformation, and secondary cracking...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
... in the 1970s. These protocols still can be used to measure the rheological properties of materials, including powders, solutions, melts, and solids ( Ref 21 – 24 ). In principle, a small amount of material is dynamically oscillated over a fixed arc or amplitude. Response to this deformation is continuously...
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
... the microstructure, chemistry and hardness of the steel and measuring the dynamic toughness and fatigue crack growth rates in the banded region. By noting these differences, bridge engineers can re-evaluate existing designs and modify current bridge inspection procedures. The steel used in the construction...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001797
EISBN: 978-1-62708-241-9
... Abstract Cam crack failures are a common occurrence in cam-follower systems often caused by excessive loading or inappropriate operating conditions. An investigation into such a failure was conducted to assess the effect of cam crack damage on the dynamic behavior of cam-follower systems...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001426
EISBN: 978-1-62708-224-2
... subjected to a bend test by wedging them open by means of a chisel inserted in the saw-cut and they all failed by progressive tearing at the weld with little evidence of prior plastic deformation; three of them are illustrated in Figure 1(c) . Three other specimens were cut from apparently sound links...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
... at the crack tip and elastic behavior throughout the remainder of the specimen, whereas in the actual materials, viscoelastic deformation of some form or another occurs in the bulk of the specimen. The presence of inelasticity in the entire specimen as well as at the crack tip results in additional energy...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... to assist in a structural design failure analysis. A traditional closed-form analytical technique, such as beam analysis or plate theory, provides a simple and quick way to estimate stresses and deformations in structures and components. It is usually the first technique in both the design of a component...
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
... analysis or plate theory provides a simple and quick way to estimate stresses and deformations in structures and components. It is usually the first technique in both the design of a component and in the analysis of a failed component. However it has its limitations in that only relatively simple...
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
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
... fatigue fracture transient torsional overloading medium carbon steel spline teeth deformation stress analysis fracture toughness SAE/AISI 1045 (medium-carbon alloy steel) UNS G10450 Introduction All-terrain vehicles (ATVs) can be considered fourwheeled motorcycles for off-road operation...
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
... Definitions and Basics The mechanical behavior of materials is described by their deformation and fracture characteristics under applied tensile, compressive, or multiaxial stresses. Determination of this mechanical behavior is influenced by several factors that include metallurgical/material variables...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001097
EISBN: 978-1-62708-214-3
... Abstract Two type 316L stainless steel orthopedic screws broke approximately 6 weeks after surgical implant. The screws had been used to fasten a seven-hole narrow dynamic compression plate to a patient's spine. The broken screws and screws of the same vintage and source were examined using...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048407
EISBN: 978-1-62708-226-6
... was replated with an angled blade plate, and compression was exerted on the pseudarthrosis to promote bone healing. Fig. 1 Crack initiation on type 316LR stainless steel dynamic compression plate. (a) Anterior-posterior radiograph. The plate was used to treat the nonunion of a fracture between...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
... ORTHOPEDIC IMPLANTS are unique in that they are exposed to the biochemical and dynamic environment of the body and their design is dictated by anatomy and restricted by physiological conditions. Orthopedic implants are artificial devices (allentheses) that are mounted to the skeletal system of the human body...