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Manufacturing standards

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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.marine.c0091036
EISBN: 978-1-62708-227-3
... Abstract Socket head cap screws used in a naval application were failing in service due to delayed fracture. The standard ASTM A 574 screws were zinc plated and dichromate coated. Investigation (visual inspection, 1187 SEM images, chemical analysis, and tension testing) of both the failed...
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
... that the manner of use of the product was foreseeable. In response, the manufacturer may assert that there was no defect in the product prior to it being sold, that it met the state-of-the-art (i.e., best practices and applicable standards) in design safety at the time of sale, and that an alleged “safer” design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001428
EISBN: 978-1-62708-224-2
... in the hardened material in the region of the weld securing the screwed portion to the intermediate collar and which may have formed at the time of manufacture. Out-of-squareness of the thread with the collar, as was seen in the example submitted, gave rise to bending stresses when the bolt was tightened down...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001552
EISBN: 978-1-62708-217-4
.... Aircraft engine manufacturers and aeronautical standards require magnetic particle inspection to detect grinding cracks after reconditioning. Renitriding after any grinding is needed also, regardless of the amount of undersize as it introduces beneficial residual compressive stresses. Chromium...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090959
EISBN: 978-1-62708-222-8
... Abstract Mower blades manufactured from grade 1566 high-manganese carbon steel failed a standard 90 deg test. The blades had been austempered and reportedly fractured in a brittle manner during testing. The austempering treatment was intended to produce a bainitic microstructure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0051870
EISBN: 978-1-62708-228-0
... Abstract Coiled tubing with 80 ksi yield strength manufactured to a maximum hardness of 22 HRC to meet NACE Standard MR0175 requirement for sour gas service failed after being on 38 jobs (70% of its estimated fatigue life). A transverse crack where a leak occurred was identified as the primary...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001804
EISBN: 978-1-62708-241-9
... to degradation (corrosion and wear), bioadhesion (to bones), and ease of manufacture by different thermomechanical processes and availability/low cost [ 3 – 5 ]. The requirements of chemical composition, microstructure and mechanical properties are well established in standards edited by international...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001785
EISBN: 978-1-62708-241-9
... produced by a single manufacturer which were removed from tool boxes and store stock. The nonfailed wrench population was visually inspected for any obvious defects and none were found. To determine the cause of the failure, 15 wrenches along with the failed wrench were submitted for failure analysis...
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
... materials, encouraging design optimization and medical device research. Presently, implant manufacturers and academic health care institutions in the U.S. are conducting implant retrieval and analysis on an ad hoc basis. 9 The International Organization for Standardization (ISO) and the American...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... of representative calibration standards, or difficulties with field inspections. During a failure analysis there is no predetermined NDE method as there is during manufacturing part acceptance. It is important for the failure analyst to communicate with the NDE practitioner to determine to what degree the NDE...
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
... system. The intention here is simply to set the physical failure within a broader context and then to focus on assessing the design process evidence available within that context. The article purposely does not address issues such as manufacturing, operation, and maintenance, except as they relate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001842
EISBN: 978-1-62708-241-9
... of the roll, the width of the felt belt as it passes over the roll, and the nominal cross-sectional dimensions of the roll. The guide rolls themselves are manufactured from what would otherwise be seamless carbon steel pipe. The governing standard for this product is ASTM A106, “Standard Specification...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001306
EISBN: 978-1-62708-215-0
... origins around the circumference. There was no indication that any microstructural characteristics of the material contributed to the failure. Inclusions that were present were small and relatively few in number. Failure to check the torque of the inner wheel nuts as per the manufacturer's recommendation...
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
.... In general, high quality refers to products and systems manufactured to higher standards, in response to higher expectations of consumers and users. These expectations include such attributes as: Greater safety Improved reliability Higher performance Greater efficiency Easier maintenance...
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
...” is a statistical metric referring to six times the statistical standard deviation of a normal distribution, which allows no more than 3.4 defects per million opportunities (equivalent to 99.9997% reliability). This is indeed a lofty goal for any organization (be it a manufacturing company, a petrochemical plant...
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
...) At 0.254 mm (0.010 in.) from the surface The manufacturer examined a number of other M1 drills that had satisfactorily met (corporate) standard drilling tests. One of these had a nonmetallic inclusion 1.5 times longer than in the failed drill. Two had edge hardnesses in the 66 to 68 HRC range...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... redesign? What about the effects of tolerances of the adjoining parts? Or on the assembly as a whole? Materials Is the material selected compatible with the configuration and the manufacturing process? Is surface finish properly accounted for? Will standard raw material supplies be of adequate quality...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001608
EISBN: 978-1-62708-236-5
..., and often the problem is not apparent until all the documentation is collected and studied ( Fig. 11 and 12 ). Individual surveyors enroute are unlikely to know the details of manufacture, the end application, or the applicable standards of acceptance and rejection. Fig. 11 Contamination by Acid...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0090276
EISBN: 978-1-62708-230-3
... Section VIII, “Rules for Construction of Pressure Vessels.” Individual dryer manufacturers also have internal design requirements based on their own experience and expertise. Although these are voluntary codes and standards, owners of the machines and insurance companies always require that the dryer...