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pressure-shear plate impact testing

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... wear test rigs, a hammer is made to impact a counterface. This can be by moving the hammer up and down via electrical or mechanical means. A stationary counterface is used for normal-impact studies, while for compound studies, shear is imparted by using a rotating counterface or by altering the tilt of...
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
... absorbed during fracture, the percent shear (fibrous) (versus cleavage or flat) fracture on the fracture surface, or the change in width of the specimen (lateral expansion). The impact toughness test can also be used to determine the effect on toughness by microstructural alteration in a material or...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... also discusses the test methods of the four major types of mechanical testing of polymer-matrix composites: tensile, compression, flexural, and shear. compression test environmental exposures fiber-reinforced composite stress-strain relationship flexural test laminate mechanical testing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
..., and its molecular state. The strength of a plastic is usually taken as the tensile strength, as determined in a conventional testing machine. As an alternative, flexural strength can be measured, also by ramp excitation. Shear strength and uniaxial compressive strength are also measured as the...
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
... of metals, in which material from one surface is observed to adhere to the other at high spots (asperities) that are subsequently sheared off. While factors other than adhesion may be involved, it is so historically ingrained in the tribology literature that it will be used here for convenience to...
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 Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... advantage over solid-bar specimens in that shear-strain and shear-strain-rate gradients are virtually eliminated in the design. This is desirable in workability testing because ambiguities associated with definition of the failure strain and strain rate are eliminated. Moreover, the use of thin-wall tubes...
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
...-relaxation testing. Shear testing, torsion testing, and formability testing are also discussed. The discussion of tension testing includes information about stress-strain curves and the properties described by them. compression testing fatigue testing formability testing fracture testing hardness...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... particle displacement on each surface ( Fig. 21a ). In asymmetric (bending) Lamb waves, there is a shear neutral axis of the plate and an elliptical particle displacement on each surface ( Fig. 21b ). The ratio of the major to minor axes of the ellipse is a function of the material in which the wave is...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003026
EISBN: 978-1-62708-200-6
... relative humidity at temperatures above 100 °C (212 °F) in an autoclave. Such tests are known as highly accelerated stress tests (HAST), or “pressure-cooker” tests. THB and HAST tests are rigorous; materials that pass them rarely fail in the field. However, it should be noted that failure mechanisms...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
... coatings are portable, and testing can and is routinely done in the field. The tests listed in Table 2 evaluate two different adhesion properties, and they use different testing mechanisms. The tape and knife adhesion tests (ASTM D3359 and D6677) are used to evaluate the shear or peel strength of a...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... neutrons passing through or reflecting from test object cast shadows or patterns on film or digital imaging plates Manufacturing, weld inspection, finding objects in closed containments, metrology of enclosed objects, thickness Hazardous radiation operation; not sensitive to discontinuities less than 1–2...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... above (a) P/M tool steels A brief review of tool materials for various forming operations is given below. More detailed information on selection of tool and die materials for press forming, deep drawing, spinning, shearing, and slitting, as well as other forming processes, can be found in...
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
... the shear lips in the cup-and-cone fracture specimens from tensile tests. During tensile loading, the fracture originates near the specimen center, where hydrostatic stresses develop during the onset of necking and where microvoids develop and grow. Multiple cracks join and spread outward along the...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... Microstructural damage due to shearing, blanking, piercing Overheating damage during spring winding Laps and cracks due to shot peening Stress-corrosion cracking due to use of improper die lubricants Grain growth Incomplete phase transformation Quench cracks Decarburization...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003125
EISBN: 978-1-62708-199-3
... those designed for specific applications and include extruded shapes, forgings, and impacts. Typical examples of wrought products include plate or sheet, which is subsequently formed or machined into products such as aircraft or building components, household foil, and extruded shapes such as storm...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000605
EISBN: 978-1-62708-181-8
... ferrite and pearlite; note also the longitudinal deformation of the original equiaxed structure. Nital etch, 312.5× Fig. 123 Tensile-test fracture in a 13-mm (0.505-in.) diam specimen of cast 0.20% C steel with hardness of 255 HB. Note that pronounced 45° shear deformation has produced shear...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003108
EISBN: 978-1-62708-199-3
... previously above under “Tensile Properties.” Very few data are available on the ultimate shear strength of ductile iron because it is very difficult to obtain accurate shear data on materials that exhibit some ductility. It is generally agreed that the ultimate shear strength of ductile cast iron is...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... stresses, which requires the consideration of fatigue and damping characteristics. Table 6 Typical mechanical properties of as-cast standard gray iron test bars ASTM A 48/A 48M ISO 185 Tensile strength Torsional shear strength Compressive strength Reversed bending fatigue limit (a...