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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
... Abstract Stretch forming is the forming of sheet, bars, and rolled or extruded sections over a die or form block of the required shape while the workpiece is held in tension. This article discusses the applicability, advantages, and machines and accessories of stretch forming. It provides...
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Published: 01 June 2016
Fig. 61 Effect of stretching (after solution treating and quenching) on the number and size of precipitation platelets on aged 2024. All specimens aged 12 h at 190 °C (375 °F). (a) 2024-T6, no stretching after quenching. (b) 2024-T81 stretched 1.5% before aging, resulting in smaller and more More
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Published: 01 June 2016
Fig. 63 Effect of stretching and aging on toughness of 2024 sheet. Source: Ref 2 More
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Published: 01 June 2016
Fig. 64 Effect of stretching on toughness of 7050 plate. Source: Ref 2 More
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Published: 01 June 2016
Fig. 65 Effect of stretching on aging response of 10 mm (0.4 in.) thick 7475 plate More
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Published: 01 June 2016
Fig. 20 Residual-stress reduction by plastic deformation. (a) Stretching. (b) Compression. Source: Ref 2 , 72 More
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Published: 01 January 1993
Fig. 10 Effect of physical stretching on root fusion. (a) Original oxide surfaces. (b) Incomplete (poor) root fusion. (c) Complete (proper) root fusion More
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Published: 30 November 2018
Fig. 35 Effect of stretching and aging on the toughness of 2024 sheet. Source: Ref 37 More
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Published: 30 November 2018
Fig. 36 Effect of stretching on the toughness of 7050 plate. Source: Ref 37 More
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Published: 30 November 2018
Fig. 37 Effect of stretching on the aging response of 10 mm (0.4 in.) thick 7475 plate More
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Published: 30 November 2018
Fig. 4 Effect of physical stretching on root fusion. (a) Original oxide surfaces. (b) Incomplete (poor) root fusion. (c) Complete (proper) root fusion More
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Published: 01 January 2002
Fig. 5 Wire-stretching jaws that broke because of shrinkage porosity and low ductility of case and core. The jaws, sand cast from low-alloy steel, were used to stretch wire for prestressed concrete beams. (a) Two pairs of movable jaws. 0.7×. (b) Two pairs of stationary jaws. 0.7×. (c) and (d More
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Published: 01 December 1998
Fig. 57 Two operations that simulate stamping: (a) deep drawing and (b) stretching More
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Published: 01 January 2006
Fig. 13 Schematic of Marciniak biaxial stretching test More
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Published: 01 January 2006
Fig. 15 Stretching and drawing. (a) Stretch forming. (b) Deep drawing. Source: Ref 1 More
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Published: 01 January 2006
Fig. 6 Strain distribution for section formed by (a) stretching and (b) bending. Draw bending, compression bending, press bending, and roll bending compress the metal in various sections of the bend. Stretch bending imparts elongation throughout the bend and thus minimizes springback. More
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Published: 01 January 2006
Fig. 55 Deformation areas. (a) Stretching as punch contacts blank. (b) Bending and unbending over die radius. (c) Local thinning produced by stretching and bending More
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Published: 01 January 2006
Fig. 10 Typical stretch-formed shapes. (a) Longitudinal stretching. (b) Transverse stretching. (c) Compound bend from extrusion. (d) Long, sweeping bend from extrusion. Dimensions given in inches More
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Published: 01 January 2006
Fig. 7 Maximum stretching height ( h max ) for different sheet materials and temperatures. s 0 , initial sheet thickness. Source: Ref 15 More
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Published: 01 January 2006
Fig. 8 Combined stretching/drawing of an irregular part with (a) draw bead and (b) edge bead More