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uniaxial tension testing

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001297
EISBN: 978-1-62708-170-2
... the metal is covered by a very thin protective metal fluoride film. As the substrate is consumed, a freestanding film is produced. The most direct way to obtain the stress-strain relations of thin films in tension is by uniaxial testing. In principle, this procedure is...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
... denoted by the symbol n ) describes the change of flow stress (with an effective stress, σ ¯ ) with respect to the effective strain, ε ¯ , such that: (Eq 1a) n = ∂ ln σ ¯ ∂ ln ε ¯ For a uniaxial tension test, and prior to the development of a neck, the...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
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
... Abstract This article discusses a number of workability tests that are especially applicable to the forging process. The primary tests for workability are those for which the stress state is well known and controlled. The article provides information on the tension test, torsion test...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... shear coupling coefficients determined from uniaxial tensile tests in the x and y directions, respectively—i.e., (Eq 3a) η x = γ x y ε x ( uniaxial tension in the  x -direction ) (Eq 3b) η y = γ x y ε y ( uniaxial tension in the  y...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004030
EISBN: 978-1-62708-185-6
... 3 Effective stress ( σ ¯ ) σ ¯   = − σ 3 3 2 Table 4 Formulas for tension testing of isotropic material Variable or quantity Symbol or relation Uniaxial tension under uniform deformation conditions, constant crosshead speed Initial...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009012
EISBN: 978-1-62708-185-6
... Abstract This article summarizes the types of hot working simulation tests such as hot tension, compression, and torsion testing used in the assessment of workability. It illustrates the use of hot torsion testing for the optimization of hot working processes. The article concludes with...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005421
EISBN: 978-1-62708-196-2
... under uniaxial versus multiaxial tensile-stress conditions. Mesoscale models incorporate the influence of local microstructure and texture on cavitation. The article outlines the descriptions of cavity coalescence and shrinkage. It also describes the simulation of the tension test to predict tensile...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009008
EISBN: 978-1-62708-185-6
... deformation process of interest. Attention must be given, then, to the validity of the workability test in simulating the type of fracture that occurs in the actual process. Most metalworking processes involve compressive deformation, and so the uniaxial compression test has been widely used for studying...
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: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... all of these aspects, which is primarily a result of the large deformations that are common in massive forming processes such as forging, extrusion, and rolling. For most common mechanical tests—simple tension and compression tests—the maximum uniform strains achieved are rather low because of necking...
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
... described in ASTM E 8, “Methods of Tension Testing of Metallic Materials.” The specimen is exposed to the environment and is stressed under displacement control. For stainless steel in chloride solution, the strain rate is 10 −6 s. One or more of the following parameters are applied to the tensile test at...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... Abstract This article describes testing and characterization methods of ceramics for chemical analysis, phase analysis, microstructural analysis, macroscopic property characterization, strength and proof testing, thermophysical property testing, and nondestructive evaluation techniques...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... material generally behaves as a ductile material in a compression test because the microcracks that fail in tension do not exist in compression. The values for modulus of elasticity and compressive strength are higher than those in tensile measurements. When there is no brittle failure, the compressive...
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
... nonuniform mechanical properties. Up to this point it has been assumed that the test specimen was loaded uniaxially in either tension or compression. However, in some workability tests such as the torsion test the stress system is multiaxial. More generally, it is rare to find the stresses acting on the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006442
EISBN: 978-1-62708-190-0
... Abstract This article discusses the principles and limitations of micromagnetic techniques, namely, magnetic Barkhausen noise (MBN) and magnetoacoustic emission (MAE). It also discusses various factors limiting the establishment of acceptance criteria for test components as they pertain to the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
... solidification along a preferred (rapid-growth) direction and thus possess noticeable fiberlike textures. Fig. 2 Specimens for the wedge test. (Top) As-machined specimen. (Bottom) Specimen after forging The wedge test is fferent from other workability tests (e.g., tension test, uniaxial compression...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003024
EISBN: 978-1-62708-200-6
..., such as significantly lower stiffnesses, much higher elastic limits or recoverable strains, a wider range of Poisson's ratios, a unique variety of postyield phenomena, and time dependence (viscoelasticity). When a constant uniaxial load is applied to the viscoelastic test specimen, it...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003224
EISBN: 978-1-62708-199-3
... diamond (which is very strong, but which has virtually no ductility) is brittle. This approach is sufficient for materials that do not contain flaws and are loaded in uniaxial tension. However, in many engineering applications, a notch is present and impact loads are applied. The notch has the effect...