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manufacturing defects

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001443
EISBN: 978-1-62708-235-8
... Abstract Following the fusing of one of the copper leads in the choke circuit of an electric welder, a piece of the affected lead was obtained for examination. The sample had large internal cavities and surface bulges. It is remarkable that a wire containing defects of the magnitude present...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0089543
EISBN: 978-1-62708-226-6
... Abstract Threads of a bone screw (Co-Cr-Mo alloy, type ASTM F75) had broken off, and other threads had cracked. 15x sectioning showed porosity, and 155x magnification showed gas holes, segregation, and dissolved oxides. This supports the conclusion that manufacturing defects caused the failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001718
EISBN: 978-1-62708-220-4
.... No material or manufacturing defects were found to explain the different service performance of the two impellers. Microstructure, microhardness and material chemistry are consistent with the specified material. Examination reveals the damage mechanism to be corrosion-enhanced cavitation erosion, the most...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
.... Very few overload failures were noted. A number of causes were identified: design deficiencies and manufacturing defects leading mainly to fatigue failures, and poor materials selection and improper maintenance as the principal causes of corrosion-related failures. The survey showed that a proper...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001906
EISBN: 978-1-62708-217-4
... defects 4340 UNS G43400 Metalworking related failures Introduction Component: MS3314 general purpose bomb suspension lug Manufacturing defects: Forging laps and seams Background Two MS3314 suspension lugs fabricated from AISI 4340 steel are threaded into each 500- and 1000-lb general...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
... prosthesis, stainless steel and titanium compression plates, and hollow spinal rods. Some of the failure mechanisms that were identified include corrosive attack, corrosion plus erosion-corrosion, inclusions and stress gaps, production impurities, design flaws, and manufacturing defects. Failure prevention...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... strength. It was concluded that the club failed not from ground impact but from a force reversal at the bottom of the downswing. Large moments generated during the downswing aggravated by manufacturing defects and stress concentration combined to create an overload condition. References References...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... and manufacturing defects has become more important. This article presents case histories that are intended as an overview of the unique types of failures encountered in the freight railroad industry. The discussion covers failures of axle journals, bearings, wheels, couplers, rails and rail welds, and track...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001908
EISBN: 978-1-62708-235-8
...: Rockeye Cluster Bomb tailcone assemblies Manufacturing defects: Casting heat checks, inclusions, porosity, shrinkage Background ARL conducted an analysis of two semicircular aluminum die-castings (Alloy A356) that are components of the tailcone assembly of the Rockeye Cluster Bomb. As the name...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001909
EISBN: 978-1-62708-235-8
... parameters resulted in acceptable welds. Bombs (weapons) Bomb fins Welded joints Weld defects Low-carbon steel Joining-related failures Introduction Component: MK#83 and MK#84 general purpose bomb fins Manufacturing defects: Nonpenetrating plug welds Background A First Article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001905
EISBN: 978-1-62708-217-4
... fin retaining band Manufacturing defects: Inadequate work hardening/nonconforming dimensions Background A retaining band from the MK#15 Mod 6 Snakeye bomb fin unwrapped during a practice flight, causing the bomb fins to deploy and triggering an adjacent retaining band to unravel. The pilot...
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Published: 01 June 2019
Fig. 4 (a) Failure of a stainless steel femoral nail plate in the region with severe reduction in thickness; (b) presence of manufacturing defects on the nail surface, such as cutting-edge and machining marks (see arrow C); (c) general view of the fracture surface showing two flat regions More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... Abstract This article discusses the three legal theories on which a products liability lawsuit is based and the issues of hazard, risk, and danger in the context of liability. It describes manufacturing and design defects of various products. The article explains a design that is analyzed from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001425
EISBN: 978-1-62708-235-8
... was discovered running the entire length. Examination of a section through the pipe containing the defect, showed this to be a scarf-welded pipe, only about half the section of the scarf having been satisfactorily welded together. It was concluded that both pipes had been defective at the time of manufacture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001907
EISBN: 978-1-62708-217-4
... bolts Grain flow Carburizing Hy-Tuf UNS K325599 Heat treating related failures Metalworking related failures Stress-corrosion cracking Introduction Component: LAU-7 missile launcher attachment bolts Manufacturing defects: Machining rather than forging/inadvertent carburization...
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
... Vendor A. There is obviously a lack of quality control in processing at the manufacturer. Because the consumer is not expected to perform a tensile test on the box of hooks before the hooks are used, this is an example of a manufacturing defect as defined in the majority of product liability law...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001910
EISBN: 978-1-62708-217-4
... applications Decarburization Composition effects 18Ni Heat treating related failures Introduction Component: M61A1 breech bolt assembly Manufacturing defects: Improper chemistry, heat treatment Background ARL characterized unused and failed “aftermarket” breech bolt assemblies from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048405
EISBN: 978-1-62708-226-6
... secondary crack is shown at thread site (arrow). 55×. (c) Fatigue striations on fracture surface Corresponding to the energy-dispersive x-ray analyses, the screws ( Fig. 1a ) were manufactured from cold-worked remelted (R) type 316L stainless steel and showed no structural or manufacturing defects...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... forced to pay compensatory damages. This can occur even when the presence of a manufacturing defect is not observed. 6 Legal disputes among the involved parties (patient, doctor, insurance company, hospital, and manufacturer) are, in general, complex. Results often depend on the documentation...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006832
EISBN: 978-1-62708-329-4
.... The plaintiff in such a case alleges that the product is defective and presented an unreasonable risk of harm when being used as intended. Depending on the issues, all parties in the chain of commerce of a product, including the manufacturer of raw materials, component manufacturer, assembling manufacturer...