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Compressive load

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... the same manner as thermoset SMC. After the material is cooled in the mold for a short period, the mold is opened and the component is removed. Fig. 7 Thermoplastic compression molding. (a) Heated blank loaded into mold. (b) Mold closing, compressing material to fill cavity Thermoplastic...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
... compression test strain rate THE UTILITY OF THE COMPRESSION TEST in workability studies is shown in other articles in this Volume. A cylindrical specimen is relatively easy to prepare, and loading in compression simplifies the design of grips. Moreover, the absence of necking, as occurs in a tension test...
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
... S m = S a ; and in a pure compressive load, the mean stress is S m = − S a . The stress ratio is the algebraic ratio of two specified stress values in a stress cycle. Two commonly used stress ratios are the ratio, A , of the alternating stress amplitude to the mean stress ( A = S a / S...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
... determine the susceptibility of alloys to SCC and hydrogen embrittlement, several types of testing are available. This article describes the constant extension testing, constant load testing, constant strain-rate testing for smooth specimens and precracked or notched specimens of SCC. It provides...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... for various specimen geometries (smooth cylindrical and prismatic) and loading conditions (e.g., tension compression, bending, torsion). Several different appearances are also possible at both the macroscale and microscale level, and the appearance of a fracture surface is influenced by...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000629
EISBN: 978-1-62708-181-8
... nozzles, and tension, flexural, compressive, and shear loadings. carbon-epoxy composites composite prepreg fractograph resin-matrix composites Fig. 1294 Fracture surface of a Fiberite 934 epoxy resin specimen that failed in tension. The specimen was tested at 25 °C (77 °F) in the dry...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... modes of adhesive wear including scoring, scuffing, seizure, and galling, and describes the processes involved in classic laboratory-type and standardized tests for the evaluation of adhesive wear. It includes information on standardized galling tests, twist compression, slider-on-flat-surface, load...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003046
EISBN: 978-1-62708-200-6
... evaluated the environmental effects of oil, fuel, paint stripper, and absorbed moisture; the service conditions of tension and compression loads, prior fatigue history, and service temperature; processing variables such as vacuum bag curing versus autoclave curing, shop machining versus portable-equipment...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005419
EISBN: 978-1-62708-196-2
.... There are limitations to these methods in that they require experimental calibration and cannot account for all levels of load interaction ( Ref 17 ). They also do not address compressive loading or underload effects since under compressive loading there is no change in the crack tip plasticity! An...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... tensile and compressive stresses. Crack propagation tests use a fracture mechanics approach in which the growth of preexisting cracks due to cyclic loading is monitored. A fundamental parameter used to describe a fatigue process in smooth specimens is the stress ratio R , defined as: (Eq 15) R...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... Abstract Fatigue failure of engineering components and structures results from progressive fracture caused by cyclic or fluctuating loads. Fatigue is an important potential cause of mechanical failure, because most engineering components or structures are or can be subjected to cyclic loads...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009007
EISBN: 978-1-62708-185-6
... tension and compression testing. (a) Specimen in grips showing attached thermocouple wires and liner variable differential transformer for measuring strain. (b) Closeup of a compression test specimen. Courtesy of Dynamics Systems, Inc. The specimen is loaded by a pneumatic-hydraulic system. The load...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006252
EISBN: 978-1-62708-169-6
... examines how quench-induced residual stresses in heat treatable aluminum alloys are reduced when sufficient load is applied to cause plastic deformation. The article also shows how plastic deformation reduces residual stress. aluminum alloys heat treatment plastic deformation quenching residual...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003167
EISBN: 978-1-62708-199-3
... loading below its elastic limit without developing cracks or surface pits Corrosion resistance: the ability of a material to withstand chemical attack by uninhibited or contaminated lubricating oils Hardness: the ability to resist plastic flow under high unit compressive loads, conventionally...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... the yield strength was exceeded. Long, slender, straight bars, tubes, or columns under axial compressive forces will buckle when the buckling load is exceeded. Buckling failure may also be encountered on the compressive sides of tubes, I-beams, channels, and angles under bending forces. Tubes may also...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... compressive loading. In sheet forming, on the other hand, a piece of sheet metal is plastically deformed by tensile loads into a three-dimensional shape, often without significant changes in sheet thickness or surface characteristic. Processes that fall under the category of bulk forming have the following...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004017
EISBN: 978-1-62708-185-6
... article for this task. The ring compression test is well suited for determining the friction factor needed for calculation of forming load and as an easily performed way of getting a reasonable value for flow stress. Prediction of fracture in bulk deformation processes is characterized with the...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... practical failure investigation. The article describes the effects of mechanical loading on a part in service and provides information on laboratory fracture examination. brittle crack propagation ductile crack propagation embrittlement mixed-mode cracking overload fractures stress concentration...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003060
EISBN: 978-1-62708-200-6
... components subjected to tensile loading, the design methodology had to be reevaluated. Weibull developed a probabilistic system of design based only on the tensile stresses in the component ( Ref 4 ). Compressive failure is not considered in this technique, because components made from brittle materials...