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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Abstract This article briefly introduces the concepts of failure analysis and root cause analysis (RCA), and the role of failure analysis as a general engineering tool for enhancing product quality and failure prevention. It reviews four fundamental categories of physical root causes, namely...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... Abstract This article briefly introduces the concepts of failure analysis, including root-cause analysis (RCA), and the role of failure analysis as a general engineering tool for enhancing product quality and failure prevention. It initially provides definitions of failure on several different...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
... indicating rotational vibration fatigue. Keeping bolts tight solved this problem. In another case, grinding machines were unable to produce surfaces of uniform quality and smoothness on steel bearing products. Measurements showed that self-excited vibrations were created when particular steels were ground...
Image
Published: 01 June 2019
Fig. 2 Checking wing vibration on plane resting on shaking machine. Transducer is in technician's hand. FFT analyzer is at right. Authors contend that vibration is an underrated contributor to substandard product quality. (Hewlett-Packard Co.) More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001522
EISBN: 978-1-62708-235-8
... the production quality of similarly produced components on other types of weapons systems, while reducing costs. The forward housing assembly of a guided munition is a geometrically complex component that plays a critical role in the system's aerodynamic structure. In the case of the EMD-2 Joint Directed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090430
EISBN: 978-1-62708-222-8
... a consumer product exhibited an apparent surface defect. The handle had been injection molded from a medium-viscosity-grade ABS resin. The anomalous appearance was objectionable to the assembler of the final product and resulted in a production lot being placed on quality-control hold. Tests and Results...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001699
EISBN: 978-1-62708-234-1
... of waters found in the Piedmont region of Northern Georgia and South Carolina. The results of water quality testing from two samples is listed in Table 1 . The results indicated that the waters were indeed scale forming and would be considered moderately corrosive to steel. Fig. 1 Corrosion products...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001299
EISBN: 978-1-62708-215-0
... exercise utmost care to maintain product quality, including the use of the dc method of magnetic particle inspection. Selected Reference Selected Reference • Fatigue Failures , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 700 – 727 10.31399...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... and fabrication sources of failure, addresses the key factors in production and quality control, and explains failure analysis of AM parts. binder jet sintering directed energy deposition failure analysis metal products metallurgical characteristics powder bed fusion quality assurance ADDITIVE...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001631
EISBN: 978-1-62708-222-8
... testing. Engineering expert litigation Manufacturing standards Products liability Quality control Metal Brittle fracture Often the first reaction of an expert or lawyer receiving a case from a client is simply a question or two. How can a strategy be developed to work this issue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001701
EISBN: 978-1-62708-219-8
... by oxygen concentration cells and oxygen-pitting related corrosion. Both types of corrosion are due to the poor quality of the water and the lack of corrosion control in the water system. Water chemistry Water heaters Water pipelines Water treatment ASTM A106 UNS K03006 Crevice corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046233
EISBN: 978-1-62708-235-8
... fractograph at 20,000x revealed fatigue striations and corrosion products on the fracture surface, indicating that this area was probably the site of fracture origin and that it had cracked before the accident happened. The casting on the right side of the drawbar contained large voids and a significant...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
...-aided design (CAD). The reliability of this process depends on many variables, including the type of resin, the quality of the printer, the build method, and the part geometry. Approximations of impact can be determined if the resin is similar to the production plastic, the resolution is fine...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001017
EISBN: 978-1-62708-219-8
... occurred in absence of the welding problem. In connection with this conclusion, however, it should be noted that this is a commercial product and that it is not subject to the thorough inspection required to guarantee better quality. The pipe does appear to have been adequate for the specified design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001697
EISBN: 978-1-62708-219-8
... Abstract Corrosion in potable and nonpotable water systems has been well documented in the past, and new research discusses innovations in water treatment and materials that are designed to enhance the quality of a water system, whether commercial or residential. This paper is a collection...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... of the ingot. These are called scabs, and they usually show up only after rolling or working; as can be expected, they provide a poor surface finish. Imperfections in the ingot can seriously affect the quality and performance of wrought products. The major ingot imperfections are: Chemical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... procedures and resumed production of nozzle liners with more tightly controlled fiber/fabric materials. Proof stress Quality control Silica-phenolic (Other, general, or unspecified) fracture (Other, general, or unspecified) processing-related failures I. Introduction This report describes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090466
EISBN: 978-1-62708-218-1
... Abstract A production lot of mechanical hinges used in an automotive application had failed during incoming quality-control routine actuation testing. A change in part supplier had taken place between the approval of the prototype parts that performed acceptably and the receipt of the first lot...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001759
EISBN: 978-1-62708-241-9
... way toward problem solving. Bearing cups are assembled with needle rollers and are used in bearing in universal joint kit. The product quality requirement includes high wear resistance at surface and toughness at core. During assembly of the bearing in end yoke, bearing cup failure has occurred...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... the true issues. Without addressing the design process issues, the quality of future products would still have been at risk. The Context of an Engineering Failure Before windowing in on the design process itself, it is helpful to try to visualize how a particular engineering failure fits...