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Joining-related failures

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Published: 30 November 2013
Fig. 10 Subcase-origin fatigue. (a) As the name implies, subcase fatigue cracks originate deep within the steel at the region below the case, where the core metal is comparatively soft in relation to the case itself. The fatigue cracks spread laterally, parallel to the surface, and then join More
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Published: 01 November 2012
Fig. 24 Subcase-origin fatigue. (a) As the name implies, subcase fatigue cracks originate deep within the steel at the region below the case, where the core metal is comparatively soft in relation to the case itself. The fatigue cracks spread laterally, parallel to the surface, then join More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270162
EISBN: 978-1-62708-301-0
... in relation to the tube cluster indicated 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... Abstract Joining comprises a large number of processes used to assemble individual parts into a larger, more complex component or assembly. The selection of an appropriate design to join parts is based on several considerations related to both the product and the joining process. Many product...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... to the poor quality of the welding; the joining of internal defects on account of flue gas (hot) corrosion on the OD surface and operational and start-up–shutdown cyclic stresses finally led to leakage. Failures Related to Cleaning Buildup of scales on the water side of a boiler is an inevitable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... (see the section “ Cold Cracks in Base Metal ” in the discussion of electroslag welding). Failures in Resistance Welds The general term resistance welding includes resistance spot welding, resistance seam welding, and projection welding, which are all closely related. Flash welding (a resistance...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... excessive thermal excursions. A related consideration when using diffuse heating in a situation where several joints must be made is that the melting point of the filler metal used for the preceding joining operations must be higher than the peak process temperature used in the current cycle. Several...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... joined using a silver-base braze [ Sloboda 1961 ]. For short overlaps, failure is by shear. As the overlap length increases, the forces in the joint change from shear to peel as the specimen rotates prior to failure, to accommodate the eccentricity of loading. Fig. 4.34 A lap joint showing step...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... of the Scientific Principles Related to Wetting and Spreading , Brit. Weld. J. , Vol 5 , p 90 – 105 • Nicholas M.G. , 1998 . Joining Processes—Introduction to Brazing and Diffusion Bonding , Kluwer Academic Publishers • Nicholas M.G. , 1989 . Metal Surface Energies and Capillarity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440145
EISBN: 978-1-62708-352-2
... the joining temperature are large in relation to the joint dimensions, and this causes the filler to directionally solidify from one edge to the other, thereby preventing voids from forming within the joint. Gas evolution from polymeric materials is usually caused by thermal decomposition. The only...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
... capacitors are at high risk of cracking in such application LEDs in Car Applications When discussing LEDs, it is important to distinguish between semiconductor-related and packaging related failures. For both types, failures typically don’t show up immediately but after some time because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... Abstract This chapter briefly outlines some of the basic aspects of failure analysis, describing some of the basic steps and major concerns in conducting a failure analysis. A brief review of failure types from fracture, distortion, wear-assisted failure, and environmentally assisted failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230221
EISBN: 978-1-62708-351-5
... on a nonmetal. The chapter reviews the key materials and process issues relating to the joining of nonmetals using active brazing. Emphasis is placed on the differences in brazing to metals by established methods. The chapter also describes the designing process and properties of metal/nonmetal joints...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... zirconia polycrystalline (Y-TZP). It also provides information on materials selection, design optimization, and joining methods, and covers every step of the ceramic production process. brazing ceramic processing diffusion bonding structural ceramics toughened ceramics weibull analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... Abstract Beryllium has been successfully joined by fusion welding, brazing, solid-state bonding, and soldering. This chapter describes these processes in detail along with their advantages and disadvantages. It also addresses application considerations such as surface preparation, joint design...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630071
EISBN: 978-1-62708-270-9
..., which are simplified models of complex stress systems. Free-body diagrams of shafts in the pure types of loading (tension, torsion, and compression) are the simplest; they then can be related to more complex types of loading. This chapter discusses the principles of these simplest loading systems...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the use of mechanical fastening and adhesive bonding, the primary methods for joining polymer matrix composites. It describes and analyzes the basic types of mechanically fastened joints, including single-hole and multirow bolted composite joints. It then reviews...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200158
EISBN: 978-1-62708-354-6
... Metal-Arc Welding (SMAW) Submerged Arc Welding (SAW) Gas Metal-Arc Welding (GMAW) Gas Tungsten-Arc Welding (GTAW) Electroslag Welding (ESW) The rate of welding, as related to the size of the weld to be made, determines to a great degree the economics of a process. The manual arc...