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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0091757
EISBN: 978-1-62708-232-7
...Abstract Abstract A kiln, 7.6 m (25 ft) long with a 1 m (3 ft) internal diameter and a 6.3 mm (0.25 in.) wall thickness, is used to regenerate spent charcoal returned by water utilities. This charcoal contains up to 0.57% S and 2.04% Cl. The kiln is made of Inconel 601 (N06601) welded using...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001510
EISBN: 978-1-62708-217-4
... transverse plane; this in turn provided the necessary condition for stress corrosion to initiate. A complete failure investigation to ascertain the exact cause of the failure was conducted utilizing stereomicroscopic examination, scanning electron microscopy, metallographic inspection and interpretation...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001380
EISBN: 978-1-62708-215-0
...Abstract Abstract One of the two AISI 4340 steel pitch horn bolts from the main rotor hub assembly failed while in service. Optical microscope revealed evidence of corrosion pitting in regions adjacent to the fracture. Fractographic examination utilizing a scanning electron microscope revealed...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001840
EISBN: 978-1-62708-241-9
... test The characteristics of utilized explosive Table 2 The characteristics of utilized explosive Chemical composition, wt.% Density, g/cm 3 Average detonation velocity, m/s Gurney energy, kJ/kg Ammonium nitrate (84%) + gasoline (6%) + TNT (10%) 0.9 3300 1230...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... 4. “ Standard Specification for High-Strength Low-Alloy Columbian-Vanadium Structural Steel ,” A572 – A515 , ASTM 5. “ Standard Guide for Quantitative Analysis by Energy Dispersive Spectroscopy ,” E1508 – E112a , ASTM Depending on the industry and country corresponding...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001766
EISBN: 978-1-62708-241-9
.... mooring anchor fracture weld defect carbon steel weld crack energy dispersive spectroscopy torsional strength AISI 1045 (nonresulfurized carbon steel) UNS G10450 Introduction Metallurgical Evaluation Engineering Mechanics Analysis Failure Timeline Conclusions References...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001098
EISBN: 978-1-62708-214-3
... The cap crews, shown in Fig. 1 , were examined visually. The failed cap screws had been labeled No.1 to 6 by utility plant personnel. They were given the same laboratory designations. The screws were approximately 2 3 4 in. (70 mm) long with a shank length of 2 in. (50 mm). There were 10...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001622
EISBN: 978-1-62708-222-8
..., or unspecified) failure A stamped coin exhibited visible discolored areas, seen as a tan haze on the surface ( Fig. 1 ). In this case, the discoloration was considered merely cosmetic. The nonstained and stained regions were studied using a scanning electron microscope equipped with an energy-dispersive X...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001045
EISBN: 978-1-62708-214-3
.... Macrophotography and scanning electron microscopy were used to examine samples from the tubes. An energy-dispersive electron microprobe analysis was carried out to evaluate the zinc distribution. Results showed that the failure was due to dezincification. Replacement of the tubes with new tubes fabricated from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048850
EISBN: 978-1-62708-229-7
...Abstract Abstract Cracks on the outer surface near a hanger lug were revealed by visual inspection of a type 316 stainless steel main steam line of a major utility boiler system. Cracking was found to have initiated at the outside of the pipe wall or immediately beneath the surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001717
EISBN: 978-1-62708-217-4
... the exact sites with 100% accuracy. Fig. 7 Magnified view of the intergranular morphology showing secondary cracking. Mag. 200×. Fig. 8 Ductile morphology noted within shear lip between the primary and secondary fracture. Mag. 1,500×. Energy dispersive spectroscopy (EDS) was utilized...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001508
EISBN: 978-1-62708-236-5
...-P-408 gas turbine (turbojet) engines, involves the rework and/or replacement of many components including the fuel nozzle heat shields. These heat shields, which are fabricated by press forming from annealed type 321 corrosion resistant steel (CRES) sheet, are utilized to keep hot combustion gases...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001105
EISBN: 978-1-62708-214-3
... pronounced at the tie rod end of the failure. Energy-dispersive X-ray analysis of fracture surfaces from the bellows showed the presence of chlorine and sulfur. Failure of the bellows was attributed to stress-corrosion cracking, with chlorine and sulfur being the corroding agents. The rod damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001677
EISBN: 978-1-62708-222-8
... , 9 ] utilizing strain gage technology. Unfortunately, the “scientific investigations” of metal fracture and other paranormal bending effects have not incorporated exemplar testing techniques nor have they retained experts in the field of microscopy and fractography to help analyze the fractures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001600
EISBN: 978-1-62708-217-4
... sites. A sample of the second source main support bridge was analyzed for elemental composition and compared to the nominal composition of 7075 aluminum. DC plasma emission spectroscopy was employed utilizing Beckman SSVI equipment. The sample compared favorably with the typical composition of 7075...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001580
EISBN: 978-1-62708-229-7
... to Welding , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 156 – 191 10.31399/asm.hb.v11.a0003509 The Savannah River Site (SRS) is a special nuclear materials production facility owned by the U.S. Department of Energy and operated by a consortium...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001806
EISBN: 978-1-62708-241-9
... of the threaded end-cap and ( b ) connector housing showing intergranular features Fig. 4 Fracture surface of a laboratory produced fracture showing dimpled rupture Examination of fracture faces and outer connector surfaces utilizing energy dispersive spectroscopy (EDS) reveals aluminum, carbon...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001347
EISBN: 978-1-62708-215-0
...-PVP Vol. 188 , 1990 . 5. Brown S.J. , Handbook of Explosions and Hazardous Release , Butterworth Publishing Co. (to be released). 6. Brown S.J. , “Energy Release Protection for Pressurized systems, Part I: Review of Studies into Blast and Fragmentation,” Appl. Mech. Rev...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001682
EISBN: 978-1-62708-229-7
...Abstract Abstract The secondary cooling water system pressure boundary of Savannah River Site reactors includes expansion joints utilizing a thin-wall bellows. While successfully used for over thirty years, an occasional replacement has been required because of the development of small...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001327
EISBN: 978-1-62708-215-0
.... The reducers were manufactured from ASME SA-106 grade B carbon steel. Cracking of a similar nature had bee previously evaluated on the feedwater nozzles of a number of PWRs. Liquid Penetrant Testing Discussions utility personnel suggested that the small end of the reducer might also be cracked...