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twist compression

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Published: 01 January 2005
Fig. 7 Effects of graphite additions in nonisothermal twist compression. Source: Ref 22 More
Image
Published: 15 January 2021
Fig. 15 Twist compression test setup. Source: Ref 101 More
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...
Image
Published: 01 November 1995
Fig. 17 Fracture surface of a glass plate broken in bending. Top of the picture is the compression side. Overall direction of propagation was from left to right, but nearly bottom to top in the region shown here. Twist hackle is seen at the top, and Wallner lines are also present. Optical More
Image
Published: 01 January 2005
Fig. 51 Torque-twist curves for Ti-6242Si predicted from a numerical-deformation/heat-transfer simulation and measured compression flow-stress data. Results are for testing at 913 °C (1675 °F) and various average effective strain rates. Average effective strain rate = 0.6× surface effective More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003263
EISBN: 978-1-62708-176-4
... of predicting and explaining the evolution of texture and the subsequent lengthening and axial compressive stresses that develop during free-end and fixed-end twisting, respectively. A brief review of this work is given in Ref 21 . Glide-modeling methods alone, however, are not capable of predicting...
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
... to deformation levels equivalent to a true axial strain of 5 or more in tension, or a reduction of 90 to 95% in compression. Another attractive feature of the torsion test is that a constant true strain rate can be imposed on any given annular region of the specimen by simply twisting one end relative...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001032
EISBN: 978-1-62708-161-0
... Pressure Flow stresses and forging pressures can be obtained from torque curves generated in hot twist tests or from hot compression or tension testing. Figure 8 shows torque versus temperature curves for several carbon and alloy steels obtained from hot twist testing. These data show...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003269
EISBN: 978-1-62708-176-4
... provides information on torsional (rotational shear) tests as well as the basic equipment and setup of torsion testing. Motors, twist and torque transducers, torque sensors, and heating systems as well as the specimen preparation procedure are also discussed. shear testing torsion testing...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003290
EISBN: 978-1-62708-176-4
..., the spring is clamped into a rigid steel fixture that is on a compression load cell. Force is applied using a universal testing machine by means of a plunger, which is depressed and then twisted to lock in place. Electrical contact is made between the plunger and a spring-loaded contact. The force required...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005122
EISBN: 978-1-62708-186-3
... a detailed discussion on four methods of stretch forming, namely, stretch draw forming, stretch wrapping, compression forming, and radial draw forming. bars compression forming radial draw forming sheets stretch draw forming stretch forming stretch wrapping STRETCH FORMING is the forming...
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
... Abstract This article contains nine tables that present useful formulas for deformation analysis and workability testing. The tables present formulas for effective stress, strain, and strain rate in arbitrary coordinates, principal, compression and tension testing of isotropic material...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
...; picture width ∼100 μm Another way to locate the fracture origin, especially in strength tests, is to make use of the overall crack pattern. This can be facilitated in bend tests by applying tape to the compression side of the specimen before breaking it. The tape holds the pieces together without...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003385
EISBN: 978-1-62708-195-5
... for thin, symmetric, anisotropic plates. Orthotropic Plates In the full form of the plate equations, the terms D 16 and D 26 are bending-twisting coupling terms. If D 16 = D 26 = 0, then the plate is orthotropic in bending. Many composite laminates are not exactly orthotropic (see...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003258
EISBN: 978-1-62708-176-4
... of friction, with temperature and speed being additional variables. Although no standard forgeability test has yet been devised, nearly all conventional mechanical tests have been utilized such as compression, tension, bend, torsion (twist), and impact tests. Upsetting a solid cylindrical blank (pancaking...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005181
EISBN: 978-1-62708-186-3
... Abstract This article presents formulas for calculating the following: effective stress, strain, and strain rate (isotropic material) in arbitrary coordinates and in principal coordinates; compression testing, tension testing, and torsion testing of isotropic material; and Barlat's anisotropic...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
... and pressure until the twisting two or more continuous laments The drive wheel that pulls glass bers from material has cured or achieved its nal form. into a single, continuous strand. the bushing. A forming tube is placed on the Compression molding can be used for making copolymer. A long-chain molecule...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003383
EISBN: 978-1-62708-195-5
... describes the damping characteristics of unidirectional composites, when they are subjected to longitudinal shear, longitudinal tension/compression, and transverse tension/compression. It presents equations that govern the overall damping capacity of beams that are cut from laminated plates. The article...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003320
EISBN: 978-1-62708-176-4
... twisting moment is applied through the axis of the specimen. In this type of machine, the normal stress in the rotating test piece is continuously varied between positive and negative stress of equal magnitudes. Furthermore, the steady shearing stress is simultaneously induced in the specimen by connecting...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002453
EISBN: 978-1-62708-194-8
... in Table 5(f) and 5(g) of this article. Performance Index for a Light, Strong Tie The loading on a component can generally be decomposed into some combination of axial tension or compression, bending, and torsion. Almost always, one mode dominates. So common is this that the functional name given...