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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... to be contamination occurring in the casting process that became concentrated in the recycled skimmings. It was recommended that future material specifications for skimmings and for externally obtained scrap copper include a trace analysis for tellurium. Cupronickel Embrittlement Segregations Tellurium...
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
... the evaluation of many factors, as briefly summarized in more detail in the section “Materials Selection in Design” in this article. However, the key point is that materials selection is an up-front concern with important consequences for processing, product design, cost, availability, recyclability...
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
..., recyclability, and performance of the final product. This is why materials and process selection can be critical issues in the early stages of design. Moreover, the proliferation of new and specialized engineering materials has changed the complexion of design to the point at which no engineer in a design...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... means for combating corrosive wear, namely, materials selection, surface treatments, and handling-environment modifications. aqueous slurry corrosive wear grinding impact wear materials selection surface treatment three-body abrasive-corrosive wear two-body corrosive wear CORROSIVE...
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
.... Designing with plastics also provides the freedom to create clear parts, hollow parts, stiff parts, flexible parts, or any combination of these characteristics, giving the design engineer creative design freedom. Recycling and Material Recovery Benefits Many plastics materials, especially...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... not be an acceptable design for this application. Furthermore, additional analytical testing indicated that the failed part shown in Fig. 4 contained regrind/recycle material (inferior in physical properties compared with virgin rubber) along with higher nonreinforcing filler loadings (leading to inferior physical...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001087
EISBN: 978-1-62708-214-3
... and open rotor (impeller). Both the case and the ductile iron rotor core were covered by natural rubber. Analyses conducted included surface examination of wear patterns, chemical analysis of materials, measurement of mechanical properties, and in-place flow tests. It was determined that the proximate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001808
EISBN: 978-1-62708-241-9
... Abstract Six cases of failure attributed to microbiologically influenced corrosion (MIC) were analyzed to determine if any of the failures could have been avoided or at least predicted. The failures represent a diversity of applications involving typical materials, primarily stainless steel...
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
... MANUFACTURING (AM) refers to a group of free-form fabrication technologies that incrementally build up a solid part by computer-controlled deposition of material from a digital solid model. The technology is an outgrowth and broadening of rapid prototyping methods that were developed in the 1980s to accelerate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
... and the plating material had separated from the substrate in many areas. Several connectors, including some that had been in service, were examined to determine what caused the change. The order stated that the connectors were to be coated with a layer of tin-bismuth (2% Bi) to guard against tin pest, a type...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... and was packed with molybdenum disulfide (MoS 2 ) lithium grease. Metallurgical structures and chemical compositions of the bearing’s matrix materials were inspected using a microscope and photoelectric direct reading spectrometer. SEM/EDS was used to examine the local morphology and composition of fracture...
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
... of the product life cycle. However, unless each part in the assembly is made from identical material, recycling of the parts will demand disassembly. Whenever possible, the thinking during the ideal concept creative design process should include considerations from this perspective. End-of-Life Perspective...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... components superplastic deformation boundary sliding dislocation creep high-strength low alloy steel decohesions traction testing grain size elongation Ti-Nb microalloyed ultrafine-grained steel (UGS steel, general) high-strength low-alloy steel (HSLA steel, general) Introduction A material...
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
... to the chemical reaction Fewer joining options Thermosets come in a wide range of colors/finishes, can be injection and compression molded, can be recycled, and generally have attractive pricing. This article focuses primarily on thermoset materials that at room temperature are below their glass...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006866
EISBN: 978-1-62708-395-9
... stability, flexibility, low production cost, for and others, have resulted in the frequent use of plastics in our economies. However, the over seven decade–long global use at a multimillion-ton scale and a lack of a commensurate level of recycling have resulted in global pollution. Meanwhile, this pollution...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... apparatus. Most mechanical components continue to be functional beyond the zero wear limit, and their usefulness is normally connected with the loss of a specific depth of material. The article reviews the zero impact wear model and some measurable impact wear models. It presents a case study illustrating...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... Abstract This article discusses technologies focused on processing plastic materials or producing direct tools used in plastics processing. The article focuses on extrusion and injection molding, covering applications, materials and their properties, equipment, processing details, part design...
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: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... of a third-body material. This may be in the form of a lubricant applied to help mitigate a wear or friction problem ( Ref 4 ), or in the form of wear debris, or something there naturally as part of the operating environment, such as sand ( Ref 5 , 6 ). Impact Wear of Metals Deformation during Impact...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... groups as a function of their frequency of occurrence. 1 The most frequent causes of spring failures are related to high stress, hydrogen embrittlement, sharp radii or bends, and fatigue. A second category includes many of the spring processing variables such as faulty material, improper heat treatment...