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Book Chapter

By Eugene Shapiro
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003268
EISBN: 978-1-62708-176-4
... Abstract Bend tests are conducted to determine the ductility or strength of a material. This article discusses the different bend tests with emphasis on test methods, apparatuses, procedures, specimen preparation, and interpretation and reporting of results. The types of bend tests discussed...
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Published: 01 December 1998
Fig. 55 Restricted bend tests. (a) Guided bend test wherein the test material is forced through a fixture of predetermined radius. (b) Modification of guided bend test using soft metal for the fixture. (c) Method of clamping the specimen while bending it over a predetermined radius More
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Published: 01 January 2000
Fig. 14 Schematics of (a) three-point bend test apparatus and (b) four-point bend test apparatus. The load applicator has a 60° angle with a radius, R , of 0.127 mm (0.005 in.). In three-point bending, the load is applied at midspan using one applicator. In four-point bending, two load More
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Published: 01 January 1987
Fig. 867 Surface of a fracture in a bend-test specimen of Nickel 201 containing 0.02% C, 0.35% Mn, 0.01% S, 0.35% Si, 0.25% Cu, 0.04% Fe, remainder Ni. After the material had been annealed, a specimen 19 mm ( 3 4 in.) wide by 3.17 mm (0.13 in.) thick was prepared, a notch More
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Published: 01 January 1990
Fig. 9 Bend test results to determine the toughness of P/M-processed ASP high-speed tool steels. A, ultimate bend strength; B, bend yield strength; C, hardness (HRC). (a) Bend strength of a test bar of ASP 23 steel after hardening and tempering at 560 °C (1040 °F) (three times for 1 h). (b More
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Published: 01 January 2006
Fig. 16 Schematics of the draw-bend test and final configuration of the unloaded specimen. F b , normalized back force; R , tool radius; R ′, radius of curvature of region in contact with tool, after unloading; r ′, radius of curvature in curl region, after springback; Δθ, springback More
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Published: 01 January 2006
Fig. 24 Simulated role of plasticity in springback for a draw-bend test. (a) Difference of springback angle (Δθ) for pure-elastic and elastoplastic springback simulations. (b) Differences in through-thickness stress distribution following pure-elastic and elastoplastic springback. R / t More
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Published: 01 January 1989
Fig. 4 Bend test results to determine toughness of PM/processed ASP high-speed tool steels. A, ultimate bend strength; B, bend yield strength; C, hardness (HRC). (a) Bend strength of a test bar of ASP 23 steel after hardening and tempering at 560 °C (1040 °F) (three times for 1 h). (b) Bend More
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Published: 01 January 2005
Fig. 53 Three-point bend test More
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Published: 01 January 2005
Fig. 9 Three-point bend test More
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Published: 31 October 2011
Fig. 13 Bend test. Source: Ref 12 More
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Published: 01 January 2003
Fig. 25(a) Proportional dimensions and tolerances for cantilever bend test specimens. Width = W ; thickness ( B ) = 0.5 W ; half loading span ( L ) = 2 W ; notch width ( N ) = 0.065 W maximum if W >25 mm (>1.0 in.); N = 1.5 mm (0.06 in.) maximum if W = 25 mm (1.0 in.); effective More
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Published: 01 November 2010
Fig. 20 Schematics of the draw-bend test and final configuration of the unloaded specimen. F b , normalized back force; R , tool radius; R ′, radius of curvature of region in contact with tool, after unloading; r ′, radius of curvature in curl region, after springback; Δθ, springback More
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Published: 01 January 2000
Fig. 20 Experimental setup used to perform the one-point bend test More
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Published: 01 January 2000
Fig. 11 Schematic sketch of the miniature disk bend test (MDBT) geometry. Adapted from Ref 70 More
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Published: 01 January 2000
Fig. 10 Stress-relaxation bend test specimen and spheromometer in four-point loaded beam with uniform cross-section More
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Published: 01 January 2000
Fig. 11 Stress-relaxation bend test specimen in static fixture for lift-off measurements More
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Published: 01 January 2000
Fig. 16 Schematic of a bend test apparatus according to EN 12384. s , deflection More
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Published: 01 January 1997
Fig. 28 Hot bend test results for low-carbon steels that have been oxidized prior to bending. Source: Ref 23 More
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Published: 01 January 1997
Fig. 20 A bend test eliminates the grip problem in tensile testing ceramics and can be used to measure the material modulus of rupture ( Eq 3 ). Source: Ref 4 More