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workability

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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005181
EISBN: 978-1-62708-186-3
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
... Abstract Workability in forging depends on a variety of material, process-variable, and die-design features. A number of test techniques have been developed for gaging forgeability depending on alloy type, microstructure, die geometry, and process variables. This article summarizes some common...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009006
EISBN: 978-1-62708-185-6
... Abstract Workability is the ability of the workpiece metal to undergo extrusion or drawing without fracture or defect development. This article describes the limits of workability in extrusion and drawing in terms of fracture and flaw development and presents some comments on fracture...
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
... Abstract This article discusses a number of workability tests that are especially applicable to the forging process. The primary tests for workability are those for which the stress state is well known and controlled. The article provides information on the tension test, torsion test...
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
... Abstract This article focuses on the factors that determine the extent of deformation a metal can withstand before cracking or fracture occurs. It informs that workability depends on the local conditions of stress, strain, strain rate, and temperature in combination with material factors...
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
... before cracking or fracture occurs. The article reviews the process variables that influence the degree of workability and summarizes the mathematical relationships that describe the occurrence of room-temperature ductile fracture under workability conditions. It discusses the most common situations...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004030
EISBN: 978-1-62708-185-6
... Abstract This article contains nine tables that present useful formulas for deformation analysis and workability testing. The tables present formulas for effective stress, strain, and strain rate in arbitrary coordinates, principal, compression and tension testing of isotropic material...
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
... Abstract This article focuses on the effects of mechanical plasticity on workability; that is, process control of localized stress and strain conditions to enhance workability. It describes the nature of local stress and strain states in bulk forming processes, leading to a classification...
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
... Abstract This article discusses the equipment design, procedures, experimental considerations, and interpretation of the torsion tests used to establish workability. It describes the application of torsion testing to obtain flow-stress data and to gage fracture-controlled workability and flow...
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Published: 30 September 2015
Fig. 11 Effects of forging variables on the workability of porous preforms in hot forging. Source: Ref 64 More
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Published: 01 January 2002
Fig. 31 Relative workability of coarse-grained cast materials and wrought-and-recrystallized metals as a function of temperature. The melting point (or solidus) is denoted as MP c (cast) or MP w (wrought). More
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Published: 01 January 2002
Fig. 33 Typical workability behavior exhibited by different alloy systems. T M , absolute melting temperature. Source: Ref 17 More
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Published: 01 January 2002
Fig. 36 Schematic workability diagrams for bulk forming processes. Strain path (a) would lead to failure for material A. Both strain paths (a and b) can be used for the successful forming of material B. More
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Published: 01 January 2005
Fig. 17 Typical workability behavior exhibited by different alloy systems. T m , absolute melting temperature. Source: Ref 22 More
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Published: 01 January 2005
Fig. 33 Example of workability analysis. (a) Upsetting of a bar with diameter d to produce a head with diameter D . (b) Material fracture limit lines are superimposed on the strain paths by which the process achieve the final desired strain. Strain path (b) (low friction) prevents fracture More
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Published: 01 January 2005
Fig. 20 Typical workability behavior exhibited by different alloy systems. T M : absolute melting temperature. Source: Ref 18 More
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Published: 01 January 2005
Fig. 1 Schematic illustration of relative workability of cast metals and wrought and recrystallized metals at cold, warm, and hot working temperatures. The melting point (or solidus temperature) is denoted as MP c (cast metals) or MP w (wrought and recrystallized metals). More
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Published: 01 January 2005
Fig. 11 Chart illustrating interaction of workability, flow strength, and die-filling capacity in forging. Large shaded arrow indicates increasing ease of die filling. Source: Ref 2 More
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Published: 01 January 2005
Fig. 27 Workability maps for occurence of shear bands in isothermal sidepressing of Ti-6Al-2Sn-4Zr-2Mo-0.1Si with (a) equiaxed-alpha starting microstructure and (b) colony-alpha starting microstructure. Workability predictions based on α p = 5 (−). Forging conditions in which shear bands were More
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Published: 01 January 2005
Fig. 6 Workability criteria for centerbursting in aluminum alloy 2024 based on a maximum tensile stress-strain energy criterion. Source: Ref 13 More