1-20 of 49 Search Results for

hardware

Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046737
EISBN: 978-1-62708-229-7
... of the failures. A total of 35 samples of cracked hardware (21 castings and 14 bolts and nuts) from different zones of the cooling tower were removed for examination. The castings were made of copper alloys C86200 and C86300 (manganese bronze). The bolts and nuts were made of copper alloy C46400 (naval brass...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... springs and during the use of sustain-loaded compression springs in aerospace hardware. Failures have been analyzed and sources of the reliability problems identified. Case Study: Small Extension Springs Life testing of cyclic loaded, miniature extension springs has shown end hooks to be a major...
Image
Published: 01 June 2019
Fig. 1 Copper-zinc alloy cooling-tower hardware that failed by SCC and dezincification. (a), (b), and (c) Photographs showing some of the castings that broke into two or more parts in service. 1 3 ×. In (b), separations other than those second from left and second from right were More
Image
Published: 15 May 2022
Fig. 2 Typical extruder hardware More
Image
Published: 01 December 2019
Fig. 1 As-received photographs of the primary hardware of interest in the investigation: ( a ) beveled gear, ( b ) sleeve, ( c ) outer race, ( d ) inner race, ( e ) rolling elements, ( f ) generic schematic of assembly More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... analyst must keep in mind. These considerations include the test location and orientation, the use of raw material certifications, the certifications potentially not representing the hardware, and the determination of valid test results. The article introduces the concepts of various mechanical testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0092122
EISBN: 978-1-62708-222-8
... Abstract Several 6063-T6 aluminum alloy extension ladders of the same size and type collapsed in service in the same manner; the extruded aluminum alloy 6063-T6 side rails buckled, but the rungs and hardware remained firmly in place. The ladders had a maximum extended length of 6.4 m (21 ft...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... and constraints may simply involve the same three items: money, personnel, and time. Constraints can also include inability to destroy the hardware, lack of other pieces to review, lack of information, and so on. The goal of the failure investigation is the final and most important item to be understood...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
.... The Scientific Method and Failure Analysis—Intelligence, Imagination, and Creativity Failure investigation embraces the scientific method learned in elementary school: Ask a question: Why did this hardware, widget, and so on fail? Do appropriate background research Construct a hypothesis...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... and designs. Generally, this structure and control involve the characterization and control of hardware and operating conditions and identifying a procedure for monitoring wear. Ideally this procedure should involve the measurement of wear as a function of usage or exposure. This often facilitates, simplifies...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001199
EISBN: 978-1-62708-235-8
... Zinc-based diecastings for hardware and decorative applications require a surface finish which is virtually free from imperfections. The occurrence of some types of surface defects, such as cold shuts, can be avoided by adjusting operating parameters 1 . Other defects, however, occur persistently...
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
...-processed hardware have a wide range at 5 to 40%. For comparison, most mature production processes target a maximum scrap rate of ~2%. As with any new fabrication process, there are many reasons for a large scrap rate. In addition, as with any fabrication process, scrap rate data are very dependent...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001754
EISBN: 978-1-62708-241-9
... also received separated. No cage or remnant cage fragments were recovered. Each component was examined visually to identify key features of interest. For brevity, only the most relevant pieces of evidence will be discussed. Fig. 1 As-received photographs of the primary hardware of interest...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006406
EISBN: 978-1-62708-217-4
... edge shown in Fig. 1(a) revealed that the installation of the fasteners produced a fit up stress, as indicated by the approximate 0.75-mm (0.03-in.) springback of the flange after the crack propagated through the hardware. Further inspection of the opened fracture ( Fig. 1b ) showed that the crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... the design cycle from conceptual design to production and deployment. Tools have been developed to reduce the amount of labor required for the analysis and to evaluate hardware-, software-, material-, and process-related causes of failure. Significant progress is also being made in automated tools...
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
... of the hardware, typically in the metallurgical laboratory, the failure analyst may determine that a component failed in fracture, wear, corrosion, distortion, or in various combinations of those modes. Investigation in the laboratory can provide the supporting evidence to distinguish, for example, low-cycle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006448
EISBN: 978-1-62708-217-4
... products are evident on the intergranular facets. 2690x Investigation Visual analysis of the hardware showed that two of the three bearings were cracked. One of these two bearings, designated bearing 1 in Fig. 1(a) , contained two separate cracks. One of these cracks took the path shown in Fig...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
... into hardware. Of course, the individual doing the work must be competent, but the competence can be achieved by study and practice. A vibration test in progress is shown in the lead figure. Case History The multimillion dollar, four color printing press used to produce the southern and western...
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 Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001294
EISBN: 978-1-62708-215-0
... to IGA. One recommendation is the use of AM-350 for the entire poppet valve assembly. This would allow optimum heat treatment of the assembly without sacrificing properties and would require less effort for requalification. Requalification is necessary for design/material changes of flight hardware...