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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
... and processing was required. However, with the heightened awareness of efficient design, optimized performance, economic competition, environmental impacts, safety concerns, and legal liability, current methods of materials selection are viewed more and more as a simultaneous and integral procedure of the entire...
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
... in design and processing was required. However, with the heightened awareness of efficient design, optimized performance, economic competition, environmental impacts, safety concerns, and legal liability, current methods of materials selection are viewed more and more as a simultaneous and integral part...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... understands the history of the component, so that it may be prepared for analysis properly. This article also describes some special analytical techniques, including field composition checkers and some nondestructive methods that can be used for in-process sorting that becomes necessary when a failure...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... and thermosetting resins. This reduced shrinkage produces a much more stable part as molded. With higher filler loading in thermoplastics, the part is much less likely to distort upon removal from the tool or to warp in service. This increased stability is demonstrated with most processing methods, even...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... are comparable to the inspection results achieved using x-ray computed tomography. Because this method is so computationally demanding, scanning is considerably slower than other phased array inspections, and the systems are expensive because of the extreme computing capabilities required to capture and process...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001660
EISBN: 978-1-62708-236-5
... pins and the pins produced by manufacturers B and C. Related to the thread tool geometry is the processing method for producing threads. Generally, threads are rolled by two common methods, flat die rolling and radial infeed rolling [ 8 ]. One of these rolling methods may be more likely to form shear...
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
... Abstract Failure analysis is the process used to determine the cause of a failure. There is no definitive method for performing a failure analysis, and the method chosen is dependent upon the type of failure, the availability of background information, the tools available to perform...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006914
EISBN: 978-1-62708-395-9
... material: modifying or substituting the basic polymer so that exposure to heat and oxygen will not produce rapid combustion, and using flame-retardant additives. It also provides an overview of the burning process and presents two flammability test methods. combustion properties fire resistance...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006921
EISBN: 978-1-62708-395-9
... lifetime of polymeric products. A review and explanation of several methods of service lifetime prediction that have gained industry-wide acceptance are outlined here. Requirements of Service Lifetime Assessment Models The process of selecting a polymer service lifetime assessment model must include...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... be used in (but are not necessarily limited to) situations where failures result from overloading, stress corrosion, fatigue, stress concentrations, or inappropriate manufacturing processes. X-ray diffraction residual-stress analysis methods can also be applied to the evaluation of corrective measures...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006930
EISBN: 978-1-62708-395-9
... of branching, and whether there are additives present and to what degree. The results of rheological testing help answer question regarding the processability of a given material for given applications. Rotational Rheometry Rotational rheometry is one common method of characterizing polymer melts...
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
... methods can be found in the article “ Function and Properties Factors in Plastics Processing Selection ” in this Volume. Tooling Benefits Forming tools, or molds, are required for almost every plastic process. Within each process, the tooling may be different depending on the capacity requirements...
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
... Metal additive manufacturing (AM) technologies Technology Description Directed-energy deposition methods Direct metal deposition Uses laser and metal powder for melting and depositing, using a patented closed-loop process Laser-engineered net shaping Uses laser and metal powder...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006809
EISBN: 978-1-62708-329-4
... ultrasonic examination methods) can be used to detect and categorize any cracklike defects present in pressure equipment. Assessing Susceptibility to Brittle Fracture in Process Equipment Industry codes and standards assess susceptibility to brittle fracture by comparing a critical exposure...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
... to fracture (glassy polymers). This article provides an overview of historical development of fracture behavior in polymers. It discusses the processes involved in three fracture test methods for polymers, namely linear elastic fracture mechanics, elastic-plastic fracture mechanics, and post-yield fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
..., are the only viable ones for the acquisition of the required data. X-ray diffraction residual stress analysis methods can be used in (but are not necessarily limited to) situations where failures result from overloading, stress corrosion, fatigue, stress concentrations, or inappropriate manufacturing processes...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
... has been well documented. One advantage of the protocols discussed in this article is the relatively small sample size being characterized. Unfortunately, some of the commonly used test methods for reported mechanical properties involve test specimens (or coupons) that can be both processing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... the electrochemical nature of corrosion and provides the typical analysis of environmental- and corrosion-related failures. It presents common methods of testing of laboratory corrosion and discusses the processes involved in the prevention of environmental- and corrosion-related failures of metals and nonmetals...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
.... Conclusions The complex investigation of the babbit bush by methods of optical and electron microscopy, x-ray-spectrum analysis, and mechanical and tribological tests established the following. The operation failure of the babbit bush is caused by a joint display of wear and fatigue processes...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006924
EISBN: 978-1-62708-395-9
... to calculate the conversion or degree of cure from the ΔH res or from T g,res if the T g conversion relationship has been established. Rheological Methods In addition to the curing process, the flow of the uncured resin formulation is a key processing parameter. As such, rheological methods...