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necking

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Published: 01 December 2004
Fig. 11 Graphical interpretation of necking criterion. The point of necking at maximum load can be obtained from the true stress-true strain curve by finding (a) the point on the curve having a subtangent of unity or (b) the point where d σ/ d ε = σ. More
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Published: 01 August 2013
Fig. 3.6 Necking starts when a maximum engineering stress is reached. Source: Ref 3.1 . More
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Published: 01 August 2012
Fig. 12.26 (a) Necking-in machine to manufacture gas cylinders. Source: Ref 12.15 . (b) Process kinematic. Source: Ref 12.2 More
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Published: 01 August 2012
Fig. 13.13 Comparison of forming limit curves (FLCs) at necking and fracture and an FLC for the incremental sheet forming process. Source: Ref 13.2 More
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Published: 01 August 2012
Fig. 4.14 Schematic representation of stress-strain conditions for necking in simple tension ( Ref 4.6 ) More
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Published: 01 February 2005
Fig. 4.2 Schematic representation of condition of necking in simple tension. [ Thomsen et al., 1965 ] More
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Published: 01 March 2002
Fig. 14.17 Stretching and necking, owing to excessive creep in improperly heat treated nickel-base superalloy turbine blade. Note pinching of upper midspan region and extreme wear at blade tip More
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Published: 01 December 2004
Fig. 9 Comparison of engineering and true stress-strain curves. Prior to necking, a point on the σ-ε curve can be constructed from a point on the s - e curve using Eq 11 and 12 . Subsequently, the cross section must be measured to find true stress and strain. More
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Published: 01 March 2006
Fig. A.45 Necking in limited region of a uniform cross-sectional area specimen. (a) Original undeformed specimen. (b) Deformed specimen with necking. (c) Geometry of necked region. (d) Stresses acting at point O More
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Published: 01 January 2015
Fig. 18.18 Photograph of necking and fracture of tensile specimens of martensitic 41xx steels tempered at 150 °C (300 °F). From left to right: 4130, 4140, 4150 More
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Published: 15 June 2021
Fig. 12 Tensile bar with a distinct necking portion More
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Published: 01 December 2004
Fig. 13 Stress distribution at the neck of a tensile specimen. (a) Geometry of necked region. R is the radius of curvature of the neck; a is the minimum radius at the neck. (b) Stresses acting on element at point O. σ x is the stress in the axial direction; σ r is the radial stress More
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Published: 01 October 2011
Fig. 15.10 Stress-corrosion cracking in the thin neck of a cartridge case More
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Published: 01 August 2018
Fig. 12.5 A typical true stress versus true strain curve. No maximum occurs when necking starts. The material continues to work harden all the way until rupture. More
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Published: 01 September 2008
Fig. 89 Hardness characteristic at cross section of weblike cracked neck as a function of depth, z. Source: Ref 67 More
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Published: 01 September 2008
Fig. 90 Hardness characteristic of neck cross section without cracks as a function of depth, z. Source: Ref 67 More
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Published: 01 September 2008
Fig. 91 Thermal cracks in surface-hardened neck section. Source: Ref 67 More
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Published: 01 August 2013
Fig. 9.16 Stages of neck formation and propagation in high-density polyethylene. Source: Ref 9.3 More
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Published: 01 December 2003
Fig. 14 Phenomenon of propagating neck in a polycarbonate tensile specimen. 1 kN = 0.11 tonf; 1 cm = 0.4 in. More
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Published: 01 August 2012
Fig. 12.31 (a) Gas bottle neck, formed by hot flow forming. (b) Gas liner. Source: Ref 12.15 More