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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
... Abstract This article provides assistance to a failure analyst in broadening the initial scope of the investigation of a physical engineering failure in order to identify the root cause of a problem. The engineering design process, including task clarification, conceptual design, embodiment...
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
... Abstract This article discusses the three legal theories on which a products liability lawsuit is based and the issues of hazard, risk, and danger in the context of liability. It describes manufacturing and design defects of various products. The article explains a design that is analyzed from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089738
EISBN: 978-1-62708-235-8
... that the crack in the header tube was the result of a stress concentration at the toe of the weld joining a doubler collar to the tube. The stress concentration was caused by undercutting from poor welding technique and an unfavorable joint design that did not permit a good fit-up. Recommendations included...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001140
EISBN: 978-1-62708-227-3
... employing the “leak-before-break” design philosophy, developed using fracture mechanics, to eliminate the possibility of catastrophic ruptures. Gas cylinders Sea water Al-5Mg Mixed-mode fracture Stress-corrosion cracking References 1. Irwin G.R. , “Materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0091538
EISBN: 978-1-62708-233-4
... made to improve the resistance of the contact-finger retainers to SCC. The slots were redesigned to have inside corner radii of 3.2 mm (0.125 in.) to reduce the stress concentration associated with the square corners in the original design, and the formed retainers were shot blasted to remove uneven...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047414
EISBN: 978-1-62708-233-4
... strength). This fatigue failure was the result of poor design, which incorporated a notch that acted as a stress raiser, leading to fatigue-crack growth. A generous radius was recommended to avoid similar failures. Radii Stress concentration Steel casting Fatigue fracture Figure 1 shows...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001423
EISBN: 978-1-62708-233-4
.... Design Driers Leakage Welded joints 18-8-Ti 18-10-3Mo Stress-corrosion cracking Five cylinders out of a group of nine in a drying machine developed leaks after a few months service in a textile mill. The construction of the cylinders was as shown in Figure 1 , each end of the body cylinder...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.9781627082334
EISBN: 978-1-62708-233-4
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
...Abstract Abstract Several failed dies were analyzed and the results were used to evaluate fatigue damage models that have been developed to predict die life and aid in design and process optimization. The dies used in the investigation were made of H13 steels and fractured during the hot...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001080
EISBN: 978-1-62708-214-3
... come of the shaft. Examination of the locking mechanism indicated that its design was responsible for the loosening of the nut. It was recommended that the locking mechanism be redesigned and changed in all existing turbines. Selected Reference Selected Reference • Benac D.J...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001289
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001283
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... and use of a free-machining steel in a stagnant environment. Acknowledgments The author would like to acknowledge the skill and care of Ronald L. Windham, Senior Laboratory Technician at Engineering Design and Testing Corporation, for his efforts in the laboratory. Also acknowledged is the Electron...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001296
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001299
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047479
EISBN: 978-1-62708-221-1
.... The operators of the dragline bucket were warned against further hardfacing of these teeth. Design Stress concentration Ultrahigh-strength low-alloy steel Hydrogen damage and embrittlement A tooth used on the digging edge of a large dragline bucket ( Fig. 1 ) failed after several weeks in service...
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
..., and this could have been a further factor which promoted failure. It was suggested that the design and construction could be improved by either making the component in one piece or, if it was desired, to adapt a standard eyebolt. Bolts Design Carbon-manganese steel Joining-related failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048361
EISBN: 978-1-62708-234-1
... was redesigned to alleviate the thermal stress pattern. Design Heat exchanger tubes 304 UNS S30400 Thermal fatigue fracture Several failures occurred in 64-mm (2 1 2 -in.) schedule 80 type 304 stainless steel (ASME SA-312, grade TP304) piping in a steam-plant heat-exchanger system near tee...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048261
EISBN: 978-1-62708-225-9
...-angle intersections of the mounting holes and tooth-root fillets was revealed by metallographic examination. Design of the gear and placement of the mounting holes, which resulted in through hardening, were concluded to be the contributing factors to the fatigue failure of the gear. Design Gear...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001432
EISBN: 978-1-62708-221-1
... of the sleeve bore were chamfered to form a weld preparation. After welding, the faces were machined which resulted in the removal of most of the weld metal and revealed a pronounced lack of penetration. All bolts used to anchor derrick crane back stays should be designed in accordance with the recommendations...