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test specimen

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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
... Abstract A cylindrical specimen compressed with friction at the die surfaces does not remain cylindrical in shape but becomes bulged or barreled. Tensile stresses associated with the bulging surface make the upset test a candidate for workability testing. This article discusses test-specimen...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... factors affecting the selection of casting process and the general designation system for aluminum alloys. It provides useful information on mechanical test methods, selection of proper test specimens for accurate test methods, characteristics of premium engineered castings, and advantages of hot...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006676
EISBN: 978-1-62708-213-6
... involved in preparation of test specimen for DMA measurements. Some factors to be considered when calibrating the DMA instrument are provided, along with a description on processes for interpreting the temperature and frequency dependence of DMA curves as well as the applications of DMA. dynamic...
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 Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... fundamentals of tensile testing of fiber-reinforced composites, this article describes environmental exposures that can occur during specimen preparation and testing. These include exposures during specimen preparation, and planned exposure such as moisture, damage (impact), and thermal cycling. The article...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... deformation accumulation. The images are of the external surface of nickel-base superalloy test specimens. Both specimens were monotonically tested to an identical inelastic strain. One specimen was tested at room temperature in laboratory air ( Fig. 2a ), and the other was tested at 650 °C (1200 °F) in argon...
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
... material necking in the simple cross section of a tensile testing specimen (for example, see Fig. 166 in “Medium-Carbon Steels: Atlas of Fractographs,” Fractography , Volume 12 of the ASM Handbook , 1987). The other fracture mode is plane-stress fracture (mode II fracture), which manifests itself as...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001302
EISBN: 978-1-62708-170-2
..., namely, simulation, acceleration, specimen preparation, control, measurement, and reporting, are reviewed. acceleration coatings erosion test repeatability short testing time simulation specimen preparation wear and erosion test equipment wear test WEAR AND EROSION TESTS have...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003244
EISBN: 978-1-62708-199-3
... Abstract This article describes the methods and equipments involved in the preparation of specimens for examination by light optical microscopy, scanning electron microscopy, electron microprobe analysis for microindentation hardness testing, and for quantification of microstructural parameters...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... simultaneously and side-by-side with the test specimen, to maximize the accuracy of the measurement. The artifacts of the measurement—effects of the instrument rather than the specimen—are easily recognized and removed in this configuration. The dual-pushrod dilatometer, a type of differential dilatometer, can...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003128
EISBN: 978-1-62708-199-3
... alloys. The article discusses the typical mechanical properties and mechanical-property limits for aluminum sand casting alloys, permanent mold casting and die casting alloys based on tests of separately cast specimens; and typical mechanical properties of premium-quality aluminum alloy castings and...
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
... Unidirectional tension Ultimate tensile strength Yield strength Proportional limit (curve) Ductility: percent reduction in area and percent elongation May be insufficient material for standard test specimen Anisotropic materials require multiple samples Properties can be specimen-size dependent...
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
... indentation. In any event, the thickness of the specimen shall be at least ten times the depth of indentation. The surface finish of the workpiece being tested should be such that the indentation diameter is clearly outlined. The Brinell hardness test has three principal limitations: Size...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001835
EISBN: 978-1-62708-181-8
... overloads. Fig. 9 Formation of dimples under conditions of tension using a copper test specimen. Note that the dimples are equiaxed. 750× Fig. 10 Fracture of a high-strength steel under conditions of transverse shear overload. Fractographs at 25× (top) and 1000× (bottom) Because the...
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
..., and it is uniform throughout the specimen. This is the ideal condition to achieve when the compression test is used to measure the flow stress. When friction is present at the die contact surfaces, bulging occurs, and the strain path curves upward, as shown in Fig. 19 . Fig. 19 (a) Localized...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001832
EISBN: 978-1-62708-181-8
... the two sides of the fractured part in a tensile-testing machine, if the shape permits, and pulling Placing the specimen in a vise and bending one half away from the other half by striking it with a hammer in a way that will avoid damaging the crack surfaces Gripping the halves of the fracture...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... load running on a wheel dynamometer stand), (3) machine subassembly test stand trials (e.g., the transmission of the truck on a dynamometer), (4) sub-scale tests (e.g., a small version of the transmission on a dynamometer), (5) component tests (e.g., a gear-testing machine), and (6) simple specimen...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... include Design-Expert (STAT-EASE Inc.) and ECHIP Inc. (Hockessin, DE). It has been assumed that one data point, such as a grain size value, is obtained from each sample. However, samples themselves can be designed so that many data points are obtained from each sample. The wedge-test specimen, because...
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: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006063
EISBN: 978-1-62708-172-6
... calorimetry, scanning electron microscopy-energy dispersive X-ray spectroscopy, chromatography, and electrochemical impedance spectroscopy. Test cabinets and standard test environments for laboratory analysis are reviewed. The article describes non-standard simulation testing and case studies of simulated...