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Lap welds

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
...Abstract Abstract This chapter covers a wide range of finishing and coating operations, including cleaning, honing, polishing and buffing, and lapping. It discusses the use of rust-preventative compounds, conversion coatings, and plating metals as well as weld overlay, thermal spray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
... and solidly welded. (c) Remove weld spatter. (d) Use butt welds rather than lap welds or rivet joints. (e) Keep stiffeners to outside of tank or vessel. (f) Eliminate crevice (void) at roof-to-shell interface in nonpressure vessel. (g) Outlets should be flanged or pad type, not threaded. Where pressure limits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... processes using fillers demonstrated better results than those without fillers. Laser welded lap joints generally failed in the weld metal, while metal inert gas (MIG) fillet joints generally failed in the heat-affected zone. Zinc-coated materials demonstrated high levels of porosity. Another...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... the restraint of the part. Various joint designs have been used for 3.125 mm (0.125 in.) thick beryllium sheet including lap joints, tee joints, corner lap joints, corner butt joints, and butt joints between sheets of unequal thickness [ Hauser and Monroe 1968 , Hill et al. 1990 ]. However, in lap, corner lap...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... conditions. Source: Ref 10.4 Fig. 10.9 Fastener cocking in single-lap shear joint. Source: Ref 10.3 Shimming Hole Drilling Fastener Selection Bonding to composites rather than metals introduces significant differences in criteria for adhesive selection for two reasons: (1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
..., with cracks initiated at the rivet holes. Fatigue life is insensitive to mean stress and is primarily a function of stress range. In single-lap joints, the fatigue resistance increases with the ratio of rivet diameter ( d ) to sheet thickness ( t ), with the ratio of pitch ( p ) to d...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220353
EISBN: 978-1-62708-259-4
... rates. It describes special cases of segregation, including banding and why it occurs, and the application of closed die forging. The chapter also presents several examples of hot working defects, including forging laps, cracks, and overheated or burned steel. closed die forging hot working...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... of the tool and transported to the trailing edge of the probe, where it solidifies to form the joint. The advantages of friction stir welding include: The ability to weld butt, lap, and T-joints Minimal or no joint preparation The ability to weld 2 xxx and 7 xxx alloys, which are difficult...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
..., corner, lap, and edge joints ( Fig. 1.1 ). The selection of an appropriate design to join parts is based on several considerations related to both the product and the joining process. Productrelated considerations include codes and standards, fitness for service, aesthetics, manufacturability...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... operation. A number of surface flaws can be produced by the forging operation. These flaws are often caused by the movement of metal over or upon another surface without actual welding or fusing of the surfaces; such flaws may be laps or folds. Cold shuts often occur in closed-die forgings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... or on another surface without actual welding or fusing of the surfaces. The most common surface flaws in steel forgings are seams, laps, and slivers. Laps and seams ( Fig. 8a – c ) are surface discontinuities that are caused by folding over of metal without fusion. They are usually filled with scale...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... pockets or crevices that do not drain or cannot be cleaned or coated properly. (b) Joints should be continuous and solidly welded. (c) Remove weld spatter. (d) Use butt welds rather than lap welds or rivet joints. (e) Keep stiffeners to outside of tank or vessel. (f) Eliminate crevice (void) at roof...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... affected zone, and type and density of weld imperfections General size and distribution of large inclusions and stringers Fabrication imperfections, such as laps, cold welds, folds, and seams, in wrought products Gas and shrinkage porosity in cast products Depth and uniformity of a hardened...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... Roll forming of thermoplastic composites Fig. 6.17 Thermoplastic welding methods. Source: Ref 2 Fig. 6.16 Amorphous or dual-resin bonding. PEEK, polyetheretherketone; PEI, polyetherimide Fig. 6.18 Lap shear strength comparison of different joining methods. Source: Ref 2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
..., Battelle-Columbus Laboratories.) Figure 1-4 Hot-acid etching of this disc from a bearing steel billet revealed broken corners, a lap (upper left), several small seams, and freckle-type segregation. Figure 1-5 Hot-acid etching of this 9-in square disc of AISI 4142 alloy steel revealed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... as on a variety of material, process type, and die design features. For example, close-die forging imposes more lateral constraint on metal flow than open-die forging. This may lead to flow-related defects such as forging laps or seams. Forging processes Table 6.2 Forging processes Forging Open...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290243
EISBN: 978-1-62708-306-5
... be used, avoiding peel or cleavage loading whenever possible. If peel forces cannot be avoided, a lower-modulus (nonbrittle) adhesive having a high peel strength should be used. Tapered ends should be used on lap joints to feather out the edge-of-joint stresses. The fillet at the end of the exposed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
..., and 10 are associated with the rolling operation in the steel mill. These include (8) laminations, (9) delaminations, and (10) seams and laps in the steel plate. Common types of weld discontinuities illustrated in <xref ref-type="fig" rid="t51130503-f1">Fig. 1</xref> Table 1 Common types of weld...