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Joining-related failures

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... Abstract Boiler tube failures associated with material defects are often the result of poor quality control, whether in primary production, on-site fabrication, storage and handling, or installation. This chapter examines quality-related failures stemming from compositional and structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
... semiconductor-related and packaging related failures. For both types, failures typically don’t show up immediately but after some time because of degradation. Consider the case of an LED failing because of semiconductor crystal anomaly, this anomaly may result in a reverse bias leakage. In many cases, LED...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
... corrosion related failures is much too large to consolidate all of the various mechanisms and modes into one chapter. Therefore, several of the more common failure modes with accompanying case studies are presented in this chapter, including galvanic corrosion, uniform corrosion, localized corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... (FMA&A) to determine if the nonconformance is related to the failure being analyzed or if it is simply a coincidental finding. Having pointed out the previous topics, the discussion turns to how to find information from failed items. Metallic components can fracture in...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... is comparatively soft in relation to the case itself. The fatigue cracks spread laterally, parallel to the surface, and then join and cause cracks that come out to the surface. By the time surface cracks are observed, however, the fatigue is well developed within the gear teeth. Large chunks can come...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... the environment changes. Both are extremely difficult to test and evaluate in accelerated laboratory or service tests, with rankings of materials subject to change depending on seemingly minor changes in the test conditions. Finally, both are of enormous economic importance. When studying any failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... Portions of this chapter came from “ Forms of Corrosion ,” Failure Analysis and Prevention , Vol 11, ASM Handbook , ASM International, 2002; “ Forms of Mechanically Assisted Degradation ” by W. Glaeser and I.G. Wright, Corrosion: Fundamentals, Testing, and Protection , Vol 13A, ASM Handbook , ASM...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... potential, good bending fatigue strength, good seizure resistance, good dimensional control, excellent quench cracking resistance, low-cast steels usually satisfactory, medium capital investment Carter has reported that failures of carburized gears are primarily due to service-related causes, such...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
... low in relation to producing a hydrogen embrittlement failure. A metallographic specimen was prepared through a fracture origin. The specimen was prepared using standard metallographic techniques. Figure 46 shows the microstructure, which was normal (tempered martensite). Fig. 46...
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 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... applications such as jet engines, airframes, chemical process equipment, spacecraft, deep-submergence vessels, and toxic waste disposal. Its use in such severe applications where failures are costly and often endanger lives is a tribute to titanium, its alloys, and joining methods. Titanium joining technology...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... can be traced to mechanical problems or lubricant failure. Lubricant-related failures are usually traced to contamination, oil film collapse, additive depletion, and use of improper lubricant for the application. The most common failures are due to particle contamination of the lubricant. Dust...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... deficiencies, weld-related defects usually found during inspection, and failures in field service. This chapter emphasizes the failures due to various discontinuities in the steel weldment. These include poor workmanship, a variety of hydrogen-assisted cracking failures, stress-corrosion cracking, fatigue, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... sources of failure can be attributed to material imperfections. For wrought products, this could be related to segregation, inclusions, porosity, laps, and seams. For castings, these imperfections could be cold shuts, inclusions, shrinkage, voids, and porosity. Forgings can have laps, seams, segregation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... distribution during service. The life of such a component is related to the creep-rupture properties, and the type of failure is referred to as stress rupture or creep rupture. Stress or creep rupture is apt to occur when damage is widespread with uniform stress and temperature exposure, as in the situation of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... of failure characteristics are described, and several of the fundamental mechanisms of failure are explained. Information on procedures and techniques specific to the analysis of failures by various mechanisms and related environmental factors, failures of principal product forms, and failures of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180091
EISBN: 978-1-62708-256-3
... corrective action(s). Evaluate the effectiveness of the selected corrective action(s). The first five steps relate to steps 1 and 2 of the four-step problem-solving process discussed in Chapter 3 . The next four steps relate to steps 3 and 4 of the four-step problem-solving process. Many failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110587
EISBN: 978-1-62708-247-1
... electromigration of Ag related to an MLCC Failure. Once the MLCC has been analyzed externally, cleaning the surface and remeasuring IR can help confirm if the issue was caused by external bridging. For multi-chip devices, the problematic chip must be identified and isolated before doing any further analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... phases, and how these processes contribute to microstructural changes as a function of time, temperature, and applied stress. It also describes several failure examples and discusses related issues, including damage recovery, refurbishment, and repair. microstructure gas turbine components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... the original failure. The failure investigation should include gaining an acquaintance with all pertinent details relating to the failure; collecting the available information regarding the design, manufacture, processing, and service histories of...