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Image
Published: 01 January 2006
Fig. 2 Titanium alloy gas-turbine ring that was produced by compression forming. Dimensions given in inches More
Image
Published: 01 January 2006
Fig. 12 Heavy-duty wafer-type compression forming coil, which is also based on complied primary and secondary coils. A, primary conductor; B, beryllium-copper field shaper; C, water passage; D, fiberglass insulation; E, steel backup plates; F, press bolt; G, shaper press bolt; H, shaper More
Image
Published: 01 January 2006
Fig. 10 Steel channel that was compression formed without trim allowance using an adjustable form block. Dimensions given in inches More
Image
Published: 01 January 2001
Fig. 1 Schematic diagram of mold cavity filling and part forming in compression molding More
Book Chapter

By Mahmoud Y. Demeri
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...
Image
Published: 01 June 2016
Fig. 9 Effect of cold stretch forming on the compressive yield strengths of various titanium alloys. Adapted from Ref 6 More
Image
Published: 01 January 2000
Fig. 17 A method of forming a tube with sharp bends, using axial compressive forces. Source: Ref 3 More
Book Chapter

By Murali Bhupatiraju, Robert Greczanik
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004005
EISBN: 978-1-62708-185-6
... Abstract Cold extrusion is a push-through compressive forming process with the starting material (billet/slug) at room temperature. This article provides information on the different types of steels that can be cold extruded. Mechanical presses and hydraulic presses that are specifically...
Image
Published: 01 December 1998
Fig. 47 Basic circuit and magnetic field patterns for electromagnetic compression forming of a tubular workpiece. (a) Field pattern in absence of workpiece. (b) Field pattern with workpiece in forming coil. (c) Field pattern when field shaper is used. A, high pressure; B, low pressure. More
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005134
EISBN: 978-1-62708-186-3
... to the bending of bar or tubes include draw bending, compression bending, roll bending, stretch bending, and ram-and-press bending. Bending methods unique to pipe or tube include wrinkle bending and roll-extrusion bending. Draw Bending In draw bending, the workpiece is clamped to a rotating form and drawn...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003037
EISBN: 978-1-62708-200-6
... Abstract Honeycomb is a product consisting of very thin sheets attached to form connecting cells. This article briefly explains the construction, core characteristics, properties, and testing methods of the honeycomb structures. It discusses the special processes carried out in customizing...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... by force, and the dimensional stability of the formed components is better than it is for components formed by higher-flow processes, such as injection molding, or by processes such as hand lay-up. Process Limitations There are disadvantages associated with both the SMC material and the compression...
Book Chapter

By Howard A. Kuhn
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003265
EISBN: 978-1-62708-176-4
... properties of materials in compression, this configuration must be achieved. A final form of irregular deformation in axial compression is an instability that is the antithesis of necking in tension. In this case, the instability occurs due to work softening of the material and takes the form of rapid...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005135
EISBN: 978-1-62708-186-3
.... Compression Bending of Tube Compression bending of tube is similar to that for bar bending. One end of the workpiece is fixed in place relative to a stationary bending form, while a moveable shoe or roller compresses the section against the form. Figure 1 illustrates an example, where one end is fixed...
Book Chapter

By Howard Kuhn
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005101
EISBN: 978-1-62708-186-3
... metal parts by forming a flange at the edge of the part. The bending process used to form flanges subjects the material to tension on the outer convex surface and compression on the inside concave surface ( Fig. 6 ). A neutral axis, separating tensile and compressive deformation zones, is located...
Book Chapter

By Dan Zhao
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
... modeling and describes the test methods for determining these properties. The article discusses several compression tests used to determine stress-strain curves for bulk forming and tensile tests used to obtain stress-strain curves for sheet-metal forming. The article concludes with information...
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
... are similar to those at the bulging free surface of a cylinder during compression. It should be possible, then, to predict fracture in bar rolling from compression tests on the alloy of interest. This is pertinent in current attempts to roll ingots of high alloy content into bar form. The complete workability...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005456
EISBN: 978-1-62708-196-2
..., and FEM approaches in predicting force and torque in cold flat rolling. They found that each approach had its own region of superior performance. More recently, Hsu and Tzou ( Ref 6 ) compared slab and UBM approaches in modeling double-layer clad sheet compression forming. In this, the metal flow...
Book Chapter

By Howard Kuhn
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005461
EISBN: 978-1-62708-196-2
... to avoid fracture. Fig. 1 Sketches of processing defects form a basis for early models. (a) Forging or compression test specimen. (b) Extrusion. (c) Drawing. (d) Forging with no horizontal constraint at die surface Source: Ref 1 Physical Modeling Physical modeling of processes, using...
Book Chapter

By Howard A. Kuhn
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009008
EISBN: 978-1-62708-185-6
... Abstract A cylindrical specimen compressed with friction at the die surfaces does not remain cylindrical in shape but becomes bulged or barreled. Tensile stresses associated with the bulging surface make the upset test a candidate for workability testing. This article discusses test-specimen...