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bend ductility

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... with titanium. They occur in commercial titanium as residual elements, or they are added intentionally for strengthening purposes. When carbon, oxygen, and nitrogen are present in sufficient quantities, weld-joint bend ductility and toughness are seriously impaired, as shown in Fig. 12.1 and 12.2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... fatigue data. It compares the Gerber, Goodman, and Soderberg methods for predicting the effect of mean stress from bending data, describes the statistical nature of fatigue measurements, and explains how plastic strain causes cyclic hardening and softening. It discusses the work of Wohler, Basquin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
... on core properties including hardenability, microstructure, tensile and yield strength, ductility, toughness, and fatigue resistance. It likewise explains how carbon affects case hardenability, surface hardness, and case toughness and how case depth influences residual stresses and bending and contact...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730023
EISBN: 978-1-62708-283-9
... stress-strain curve in tension. Figure 3.3 is an engineering stress-strain curve of a ductile material. Fig. 3.2 Use of the fingers to sense the elastic and plastic response of a wire. With a low force (top) the deformation is entirely elastic and the bending disappears when the force is removed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
..., and ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270162
EISBN: 978-1-62708-301-0
... that the fracture had occurred due to a downward bending force. The bending feature was grossly visible when the two matching parts were joined together. The snapped tail rotor pitch control cable is shown in Fig. CH42.5 The strands showed necking, indicating ductile fracture. Fig. CH42.5 Broken...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140039
EISBN: 978-1-62708-264-8
... of ductile versus brittle behavior is fairly obvious. Place a metal rod in a vice and beat on the exposed end with a hammer. A brittle metal will break almost immediately, whereas a ductile metal can be bent severely by the hammer blows and may not break after bending 90° or more. Fig. 5.2 Stress...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630101
EISBN: 978-1-62708-270-9
...) . In pure bending, the fracture starts on this convex side and progresses across the part to the opposite side, which acts as a hinge as the fracture opens up. Fig. 9 Scanning electron images of a ductile fracture: (a) relatively equiaxed dimples at the center portion of the image, with some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... they reveal about the load-carrying characteristics of engineering materials. It then discusses the use of failure criteria and the determination of yielding and fracture limits. It goes on to describe the mechanisms and appearances of brittle and ductile fractures and stress rupture, providing detailed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
.../174329305X39266 This form of HAC occurs when the damage due to diffusible hydrogen is not sufficient to cause cracking in the weldment but is sufficient to cause reduced ductility in subsequent tensile and bend tests. This is a clear illustration...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... specimen for characterizing the ductile-to-brittle transition behavior of steels is the Charpy V-notch impact specimen, which is described in ASTM E 23. The Charpy specimen ( Fig. 15 ) is a three-point bend specimen containing a machined notch in the center of the face facing away from the impacting device...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630071
EISBN: 978-1-62708-270-9
... in ductile and brittle metals. brittle metals ductile metals single-load fracture stress tension loading torsional loading compression loading IN ORDER TO UNDERSTAND how various types of single-load fractures are caused, one must understand the forces acting on the metals and also...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... Abstract This chapter describes sheet metal forming operations, including cutting, blanking, piercing, and bending as well as deep drawing, spinning, press-brake and stretch forming, fluid forming, and drop hammer and electromagnetic forming. It also discusses the selection and use of die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
... that affect the forming limits in this process are ductility of the workpiece material and the tooling used. Several methods are used to shape tubes after they are fabricated. The major ones are ram or press bending, roll bending, compression bending, and draw bending. Press, roll, and compression methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
...) that become trapped in the solidified metal. In addition, the as-cast grain size is excessively large, being 50 to 100 μm in diameter, while grain sizes of 15 μm or less are required to meet acceptable strength and ductility requirements [ Marder et al. 1990 , Haws 2000 ]. Attempts at refining the as-cast...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... temperatures. This chapter covers several types of component and material failure associated with wear, temperature effects, and crack growth. It examines temperature-induced, brittle, ductile, and fatigue failures as well as failures due to abrasive, erosive, adhesive, and fretting wear and cavitation fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
... bending: Equipment: special tooling, rotary draw of compression bending machines Materials: all ductile materials Process Variations: rotary draw bending, compression bending, ram bending, press bending Applications: manufacturing of furniture, performing for tube hydroforming...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050155
EISBN: 978-1-62708-311-9
... Abstract Induction hardened steels are often tempered to increase their ductility and relieve quenching stresses. During tempering, martensitic microstructures supersaturated with carbon decompose into a more stable, ductile form. This chapter discusses the transformations associated...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720117
EISBN: 978-1-62708-305-8
... of symmetry of the test piece. If these axes do not coincide, the test piece will be subjected to a combination of axial loading and bending. For ductile materials, the effect of bending is minimal, other than the suppression of the upper yield stress. However, if the material has little ductility...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... and ductility decreases. Strain rate greatly influences the formability of beryllium. For instance, the stroke of a press brake is too fast for making sharp bends in hot beryllium. Slow bending, by means of equipment such as a hydraulic or air-operated press, is usually used. Minimum bend limits...