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hot plane-strain compression test

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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 and plane-strain compression test. The article also reviews the testing conditions, procedures, and advantages of hot plane-strain compression test. cylindrical compression test deformation heating hot plane-strain compression test hot-compression testing plane-strain compression...
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
...-temperature tests (see the article “Hot-Compression Testing”). Because of its plane-strain geometry, this test is more applicable to rolling operations than to forging. The true stress and true strain determined from the test for plane-strain compression, ε pc , can be expressed as: (Eq 18) p...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005508
EISBN: 978-1-62708-197-9
...Abstract Abstract This article describes the most commonly used test methods for determining flow stress in metal-forming processes. The methods include tension, ring, uniform compression, plane-strain compression, torsion, split-Hopkinson bar, and indentation tests. The article discusses...
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
... workability tests, such as the tension test, ring compression test, plane-strain compression test, bend test, indentation test, and forgeability test. It concludes with information on the role of the finite-element modeling software used in workability analysis. bend test bulk forming processes...
Image
Published: 01 January 2005
Fig. 13 Plane-strain compression (PSC) test. (a) Dimensions before deformation. (b) Dimensions after deformation. Note bulge that is prominent in the hot PSC test. Source: Ref 27 More
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
... of the exact w / t ratio. If w / t < 8, then the stress state and bend ductility depends strongly on the width-to-thickness ratio. Fig. 4 Bend region defining the direction of principal stresses and strains in bend testing Specialized Tests Plane-Strain Compression Test In the plane...
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
... mechanical testing methods, including the tension test, plane-strain tension test, compression test, plane-strain compression test, partial-width indentation test, and torsion test. Aspects of testing particularly relevant to workability and quality control for metalworking processes are also described...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009003
EISBN: 978-1-62708-185-6
... α c ≥ 5. For plane-strain compression, as in side pressing, flow localization is determined by α p = γ′/ m ≥ 5. Figure 18 shows a fracture that initiated at a shear band during high-speed forging of a complex austenitic stainless steel. Fig. 18 Austenitic stainless steel high-energy-rate...
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
... information about 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...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009004
EISBN: 978-1-62708-185-6
... strains on (a) the bulging cylindrical surface of an upset test and (b) their variation with aspect ratio and friction conditions. Source: Ref 1 When friction exists at the die contact surfaces, material at these surfaces is constrained from moving outward, while material at the mid-plane...
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
...; and mechanical and physical properties. Often, simple tests such as the hot compression, tension, and torsion tests are useful in the initial selection of forging temperature and strain rate and in gross estimation of forgeability. Usually, the estimate of forgeability is based on a parameter such as upset-test...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003266
EISBN: 978-1-62708-176-4
..., can also be used, depending on the purpose of the tests. For example, a plane-strain compression specimen can have a rectangular cross section ( Ref 19 ). Lubrication For testing at elevated temperatures, water-base graphite, graphite sheet, boron nitride solution, glass-base lubricant...
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: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003998
EISBN: 978-1-62708-185-6
... of twinning. (Note that at the high strain rates typical of forging, the effects of deformation twinning may be observed at higher temperatures than indicated by the compression test data in Fig. 2(c) measured at a typical laboratory test strain rate of 5×10 −3 s −1 ). Depending on the application...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002485
EISBN: 978-1-62708-194-8
... the orientation of some bend and compression test samples sectioned from hot-rolled steel bar. Figure 14 shows the fracture lines that were experimentally determined for these samples. Tensile stresses perpendicular to the plate thickness resulted in fracture at the lowest strain values. Highest strains could...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... by Shear Loading In-plane compression D 3479/D 3479M Tension-Tension Fatigue of Polymer Matrix Composite Materials Tension-tension fatigue D 4255 Testing Inplane Shear Properties of Composite Laminates In-plane shear D 5379/D 5379M Shear Properties of Composite Materials by the V-Notched...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003322
EISBN: 978-1-62708-176-4
... for Workability Workability is an important issue in deformation modeling. For bulk workability, Kuhn developed the testing technique described in Ref 11 . The workability constant C for a particular material at certain testing temperature and strain rate can be determined by a simple plane-strain bending...