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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006917
EISBN: 978-1-62708-395-9
... the circumstances surrounding the failure, a fractographic evaluation to assess the cracking, and analytical testing to evaluate the material, design, manufacturing, and environmental factors. environmental stress cracking fractographic evaluation plastics MANY FRACTURE MECHANISMS exist that can lead...
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
... Abstract Materials selection is closely related to the objectives of failure analysis and prevention. This article briefly reviews the general aspects of materials selection as a concern in both proactive failure prevention during design and as a possible root cause of failed parts. Coverage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001606
EISBN: 978-1-62708-226-6
... the failure process. The design of the implant and the location of screw holes for attachment to the bone are of concern. Because of the critical nature of the properties of the implant, the material that the implant is made of was also considered. As Proverbio and Bonaccorsi have pointed out, a properly...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... Abstract Materials selection is an important engineering function in both the design and failure analysis of components. This article briefly reviews the general aspects of materials selection as a concern in proactive failure prevention during design and as a possible root cause of failed...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
.... This article focuses on design-related failures in products utilizing polymeric materials, and reviews important considerations of the design envelope of plastic parts. The article provides a non-exhaustive list and descriptions of design tools that can support the design process and the prevention of design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... contribution factors References References 1. Leverant G.R. , Littlefield D.L. , McClung R.C. , Millwater H.R. , and Wu Y.-T. , “A Probabilistic Approach to Aircraft Turbine Rotor Material Design,” Paper 97-GT-22, IGTI Congress , 1997 10.1115/97-GT-022 2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001584
EISBN: 978-1-62708-236-5
... some serious questions regarding the design of the nitric acid sparger in the neutralizer, including material incompatibility with ammonium nitrate solutions. Specifically, our tests and research revealed that the sparger material, titanium, which is a reactive material, is incompatible...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... of curves shown in Fig. 1 . Early in the product life, the number of failures may be elevated. These failures are often attributed to manufacturing and/or quality control errors, such as a deficient molding procedures, improper assembly techniques, or material defects. As the design matures, these errors...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... Abstract There are many reasons why plastic materials should not be considered for an application. It is the responsibility of the design/materials engineer to recognize when the expected demands are outside of what the plastic can provide during the expected life-time of the product...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... Abstract This article presents the benefits of selecting plastics for products to be manufactured. It discusses the four key considerations for plastic part design: material, process, tooling, and design. The article provides a detailed discussion of the development sequence for plastic parts...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... Abstract This article provides background information needed by design engineers to create part designs optimized for plastics and plastic manufacturing processes. It describes the four essential elements of plastic part development, namely, material, process, tooling, and design, and provides...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... Abstract This article provides an overview of the structural design process and discusses the life-limiting factors, including material defects, fabrication practices, and stress. It details the role of a failure investigator in performing nondestructive inspection. The article provides...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001764
EISBN: 978-1-62708-241-9
... and 1742 ft-lbf), respectively. Metallurgical Analysis Via optical emission spectroscopy, an investigation of the chemistry of the primary structural material employed in the drive shaft was conducted. The investigation was a comparison between material from a failed drive shaft (Design 6...
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
... to the design process, because these other important aspects are covered in detail within other sections of the current Volume. Neither is it intended to provide prescriptive guidance on carrying out the design process, which is covered in detail within Materials Selection and Design , Volume 20 of the ASM...
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
... Abstract Plastic product failures are directly attributed to one of the following four reasons: omission of a critical performance requirement, improper materials specification, design error, and processing/manufacturing error. Therefore, product failures can be minimized or eliminated if all...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... of stiffeners on stress distribution Establishment of aircraft structural integrity program in 1958 F-111 aircraft 94 wing pivot fitting ( Ref 11 ) 1969 Fatigue failure due to material defect in high-strength steel Improved inspection techniques Change from fatigue “safe-life” to damage-tolerant design...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... analysis microelectronics piping pressure vessel FAILURE of a structural or mechanical component usually can be associated with materials-related problems and/or design-related problems (which may include, depending on the definition of design, unexpected service environment). Materials failure...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... in detail in other sections of this Volume. Guidance for the design process itself is covered in detail in the Sections “The Design Process,” “Criteria and Concepts in Design,” and “The Materials Selection Process” in Materials Selection and Design , Volume 20 of the ASM Handbook , 1997. The Mode...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... Abstract When complex designs, transient loadings, and nonlinear material behavior must be evaluated, computer-based techniques are used. This is where the finite-element analysis (FEA) is most applicable and provides considerable assistance in design analysis as well as failure analysis...