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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048787
EISBN: 978-1-62708-235-8
...Abstract Abstract Leakage from the top of a fire-extinguisher case, made of 1541 steel tubing and closed by spinning was observed during testing. Three small folds were observed on the surface by visual examination and one was sectioned. A very fine transverse fissure through the section...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001232
EISBN: 978-1-62708-233-4
...Abstract Abstract A bolt breaks along a change in cross section well below its rated capacity. An anchoring screw spins freely in place, having snapped at its first supporting thread. A motor unexpectedly disengages its load, its driveshaft having fractured near a keyway. Such failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001420
EISBN: 978-1-62708-220-4
...-Cr-Mo steel shell and two end plates. It was designed to spin at 2200 rpm, using centrifugal force to expel liquids through nearly 3000 drilled holes in the shell wall. Investigators found that the shell separated completely from the bottom plate. The top plate, though it cracked radially, remained...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047632
EISBN: 978-1-62708-235-8
... integral boss on one side. After annealing, hot spinning, annealing a second time, and tack welding a port fitting, the assembly was torch preheated to 120 to 150 deg C (250 to 300 deg F). The port fitting was then welded in place. Final full heat treatment to the T62 temper was followed by machining...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... allowables in cracked components.) These cyclic lives are calculated analytically using databases generated on material coupons or through spin-pit or accelerated engine testing for an assumed engine mission profile. If the actual mission profile deviates from the assumed mission, a mission severity factor...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001851
EISBN: 978-1-62708-241-9
... , Becker W.T. and Shipley R.J. , Ed., ASM International , 1986 , p 490 – 513 . 10.31399/asm.hb.v11.a0001810 A spinning system serves as a model for many rotating machinery elements. It is generally composed of a flexible shaft on which a flexible or rigid disk is mounted, supported...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001317
EISBN: 978-1-62708-215-0
... of residual stress. Cold work levels on the order of 10% were estimated for both dished ends. Although no rigorous analytical and experimental stress analyses were carried out, consideration of the nature of expected material flow at the inside and outside surface of the dished ends during cold spinning...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
... TOW flight case at Marquardt). On 11 March 1981, personnel from ARDEC visited MTL to discuss their findings, which included a significant amount of inner wall softening and a different microstructure at the mid versus outer wall of the case. They thought that the fabrication procedure (shear spinning...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001395
EISBN: 978-1-62708-220-4
... was revealed on the head side of the weld and approximately 1 16 in.– 1 8 in. therefrom, Fig. 1 . The hardness at various points across the weld, was measured and the results are depicted in Fig. 7 . It was ascertained that the head had been formed by cold spinning and the heavy work...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... instability.” 5 Kobayashi 7 analyzed instability in cone spinning and concluded that wrinkling on the prespun flange of the cone is caused by relief of the residual compressive stress that arises in the traction-free flange. The cone spinning instability is similar to the wrinkling phenomenon in deep...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046044
EISBN: 978-1-62708-235-8
... The motor case was made of consumable-electrode vacuum arc remelted D-6ac alloy steel with the following composition: The forward dome and aft adapter were made from machined forgings. The five cylinders were made by cold shear spinning of forged, machined, spheroidized preforms. The cylinders were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001597
EISBN: 978-1-62708-236-5
... #1, pin #2 showed that substantial abrasive wear and heat had affected the bearings causing them to mushroom, craze crack, and generally deteriorate. Abrasive wear was present on both sides indicating the bearings were spinning within the connecting rod end. In one set of bearings, a very deep groove...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089774
EISBN: 978-1-62708-235-8
... rpm and the platforms at a speed of 20 rpm. The accident occurred when one of the secondary shafts on the amusement ride broke, allowing the platform it supported to spin off the spider. The point of fracture was adjacent to a weld that attached the shaft to a 16 mm ( 5 8 in.) thick plate...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001319
EISBN: 978-1-62708-215-0
... of the cylindrical vessels took no special care in handling the ends. The material used for the dished ends was to conform to AISI 304L stainless steel. They were to be manufactured by cold spinning; no stress relieving was specified. There is always an element of uncertainty in the occurrence of this type...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0089617
EISBN: 978-1-62708-232-7
... into the mold, beginning at the bell end. The mold continued to spin while moving at a steady rate away from the end of the trough, so that the spigot end of the mold was poured last. After the pipe had cooled to 760 to 870 °C (1400 to 1600 °F), it was pulled out from the bell end of the mold, and the procedure...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... subjected to stricter environmental controls. Due to cleaning-induced damage concerns, many electronics industry cleaning procedures do not utilize ultrasound. These cleaning procedures include overflow and cascading rinse-baths, as well as spin and spray rinsing [ 5 ]. Any new cleaning process applied...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001458
EISBN: 978-1-62708-220-4
... of the basket. During spinning, the crystals were washed by town's water from a single outlet pipe fitted at one side of the centre of the basket and sterilised by steam from a multi-outlet pipe fitted at the other side. The liquid, which was forced through the filter cloth, was collected on the inside...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001671
EISBN: 978-1-62708-234-1
... “bore signatures”, there is a broad range of fractographic features. A high intensity explosion in the bore will produce flattening of the lands (raised ridges in the bore of a rifled gun tube which spin the projectile as it moves through the tube) and markings from the projectile or shell on the lands...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... , 746 – 754 ( 2005 ) 10.1016/j.engfailanal.2005.01.004 4. Asi O. : Failure of a stud bolt in a ring spinning frame textile machine . Eng. Fail. Anal . 13 , 963 – 970 ( 2006 ) 10.1016/j.engfailanal.2005.04.006 5. Chen H.S. , Tseng P.T. , Hwang S.F. : Failure...