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Metalworking-related failures

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770099
EISBN: 978-1-62708-337-9
... the damaging influence of calcium aluminates on the fatigue limit of case-hardened test pieces, although it is not clear if the fractures were surface or core initiated. It is not uncommon, in studies related to the fatigue strength of case-hardened test pieces, for failures to initiate at inclusions within...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
...Abstract Abstract This chapter covers the tribological properties of different types of oil, greases, solid lubricants, and metalworking and traction fluids. It explains how lubricants are made, how they work, and how they are applied and tested. It also discusses the fundamentals...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
...Abstract Abstract This chapter describes the general characteristics of two commonly classified metalworking processes, namely hot working and cold working. Primary metalworking processes, such as the bulk deformation processes used to conduct the initial breakdown of cast ingots, are always...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... be eliminated. See DIN 7526, now a European standard, EN-10243 (a) . Rotary swaging An incremental metalworking process for reducing the cross-sectional area or otherwise changing the shape of bars, tubes, or wires by repeated radial blows with two or more dies. The work is elongated as the cross-sectional...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240201
EISBN: 978-1-62708-251-8
..., the true strain at failure, ε f , can be determined from the reduction of area, q , by: (Eq 12.17) ε f   =   ln 1 1 − q   The flow curve for many metals in the region of uniform plastic deformation can be expressed by the Holloman power curve relation: (Eq 12.18) σ...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610025
EISBN: 978-1-62708-303-4
...-strain curve is based on the instantaneous cross-sectional area, the curve continues to rise until failure. The strain rate ε ˙ = d ε / d t can also influence the flow stress, particularly at elevated temperatures. The strain-rate sensitivity of metals is low at room temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
...Abstract Abstract The vast majority of beryllium products are manufactured from blocks, forms, or billets of compacted powder that are machined or worked into shape. This chapter describes the metalworking processes used, including rolling, forming, forging, extrusion, drawing, and spinning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
... temperature, and so forth. The major applications of induction technology include through heating, surface heating (for surface heat treatment), metal melting, welding, brazing, and soldering. This chapter summarizes the selection of equipment and related design considerations for these applications...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630001
EISBN: 978-1-62708-270-9
... Book of ASTM Standards , ASTM , 1978 • Timmons P.F. , Solutions to Equipment Failure , ASM International , 1999 • Tung P.P. , Agrawal S.P. , Kumar A. , and Katcher M. , Ed., Fracture and Failure: Analyses, Mechanisms and Applications , Materials/Metalworking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
...Abstract Abstract This article presents six case studies of failures with steel forgings. The case studies covered are crankshaft underfill; tube bending; spade bit; trim tear; upset forging; and avoidance of flow through, lap, and crack. The case studies illustrate difficulties encountered...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... Edition , 2nd ed. , ASM International , 1998 7. Die Design and Materials , Metals Handbook Desk Edition , 2nd ed. , ASM International , 1998 8. Failures Related to Metalworking , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 10.31399/asm.hb.v11...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
.... Failures Related to Metalworking , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 10.31399/asm.hb.v11.a0003507 3. Wilson A.D. , Calcium Treatment of Plate Steels and Its Effect on Fatigue and Toughness Properties , Proc. 11th Annual Offshore...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
... of a proper grade for a given application depends on an understanding of the complete process and the dominant failure mechanisms observed in the tool material. Examples of typical applications are shown in Table 2 . Properties of representative cemented carbides used for nonmachining applications Table...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... a is the average shear stress at contacting asperity peaks, and τ b is the average shear stress (lower stress) at the lubricant pockets. This model explicitly formulates the real contact area ratio, α, related to τ a and the lubricant behavior related to τ b that is influenced by viscosity, pressure, sliding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
.... They are used in automotive mufflers and related components, household appliances, industrial heating equipment, and so forth. Aluminum-Zinc Alloy Coatings Aluminum-zinc alloy coatings have improved corrosion resistance of galvanized parts. One type consists of about 55% Al and 45% Zn; the other type...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
...Abstract Abstract This chapter is a detailed account of the general characteristics and effects of and the methods for preventing or reducing different categories of wear failures, namely abrasive (erosive, grinding, and gouging), adhesive, and fretting wear. abrasive wear adhesive wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240597
EISBN: 978-1-62708-251-8
... by conventional metalworking technologies, such as rolling and extrusion. The mechanical properties are improved by metalworking in the predominant direction of metal flow. Biaxial and/or triaxial deformation can be used to obtain more balanced properties. Properties of several pure beryllium grades Table...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... fluid Residual stress Fatigue limit Failure point Surface Peak mm 10 –3 in. MPa 10 3 Ib/in. 2 MPa 10 3 lb/in. 2 MPa 10 3 Ib/in. 2 AA H 0.0025 0.1 Soluble oil 90 13 159 23 503 73 Surface AB H 0.0025 0.1 Soluble oil –172 –25 124 18 483 70 Surface BC...