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deep drawing

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001142
EISBN: 978-1-62708-228-0
...Abstract Abstract Several newly developed liquid propane gas (LPG) cylinders made from Fe-0.13C-0.42Mn steel failed, each fracturing in the longitudinal direction. One of the cylinders was thoroughly analyzed to determine the cause. Deep-drawing flaws were observed on the inner wall...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001298
EISBN: 978-1-62708-215-0
... of the hollow spar A single corrosion pit, 0.38 mm (0.015 in.) deep, led to a fatigue failure of the spar The failure initiated on the pylon side of the blade. Dimensional analysis of the spar near the failure revealed measurements within engineering drawing tolerances. Though corrosion pitting was present...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
.... Groche P. and Wu Y. , Inline Observation of Tool Wear in Deep Drawing with Thermoelectric and Optical Measurements , CIRP Ann. Manuf. Technol. , Vol 68 , 2019 , p 567 – 570 10.1016/j.cirp.2019.04.034 41. Savolainen M. and Lehtovaara A. , An Experimental Approach...
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
... in ductility, accompany the flow forming process. Conventionally, tubes are produced by hot extrusion followed by drawing or pilgering. However, it is not practical to hot extrude thin wall tubes beyond a specified limit. Drawing is an easier and less expensive process than extrusion; therefore, a thick...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001519
EISBN: 978-1-62708-223-5
... an appreciable shear lip, which is characteristic of ductile overload failure (the cone part of the cup-cone fracture). The broken piece had a deep gouge on its side, probably inflicted by the drill bit. Based on these preliminary findings, it was suspected that the draw-in bolt was the first to fracture...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001384
EISBN: 978-1-62708-215-0
...Abstract Abstract The draw-in bolt and collet from a vertical-spindle milling machine broke during routine cutting of blind recesses after a relatively long service life. The collet ejected at a high rotational speed due to loss of its vertical support and shattered one of its arms upon impact...
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
... if they contain deep machining marks because they form stress concentration regions and act as SCC initiation sites. Long-term solutions to the problem of HE or hydrogen-assisted SCC would be to redesign the bolt to minimize stress concentration areas. In addition, the component could be fabricated from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... Metalworking operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001715
EISBN: 978-1-62708-219-8
... or charged with hydrogen during the drawing operations (which could promote splitting), it would not necessarily be evident during microstructural or fracture surface evaluations. But some observations, like the curved split found in one of the wires indicates that some splitting was present in the wire when...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001168
EISBN: 978-1-62708-219-8
... ). The interior of the pipes was covered with rust patches ( Fig. 3 ) under which deep and partially penetrating pitting scars were visible ( Fig. 4 ). From these scars numerous cracks branched out that were predominantly transcrystalline ( Fig. 5 ). Therefore the leaking of the pipes is caused by pitting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001706
EISBN: 978-1-62708-217-4
... and Results Discussion Conclusions Recommendations References References 1. Boeing Drawing No. 65-65031, Truck Assembly, finished machined, Main gear. 2. Sander K. and Roth M. , QETE Report Number A027288 , ( 1989 ) 3. Boeing Standard Preventive Maintenance...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001605
EISBN: 978-1-62708-217-4
... engineering drawings, ESIS P2-92, (European Structured Integrity Society), DVM 002-Merkblatt, (German Association for Materials Research and Testing), and some information about the material. Composition analysis determined that the elements present in bells “S,” “V1,” and “V3” to “V8” were within...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001167
EISBN: 978-1-62708-228-0
... products, and at least two separate initiation sites can be distinguished. Also evident in Fig. 4 are numerous corrosion pits, 0.25 mm to 0.125 mm deep — on the inclined face of the groove. Fig. 3 Fracture surface at position A ( Fig. 1 ), illustrating compact oxide scale region within dotted line...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089256
EISBN: 978-1-62708-235-8
... lift grip component. As-polished. 111x The presence of the laps, which are rejectable according to the manufacturer's drawings, indicates the forgings were delivered from the manufacturer in this condition. Aside from the obvious procedural roots related to the quality system of the manufacturer...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047072
EISBN: 978-1-62708-217-4
... the T6 temper as specified by the engineering drawing. The metallurgical properties of the clad aluminum alloy 2024-T42 clip were satisfactory with respect to microstructure and to hardness (required: 78 to 84 HR15T; observed: 81 to 84 HR15T). The chemical compositions of the alloy 2024 clip...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001241
EISBN: 978-1-62708-235-8
...Abstract Abstract Decarburization of steel may occur as skin decarburization by gases either wet or containing oxygen, and as a deep ongoing destruction of the material by hydrogen under high pressure. Guidelines are given for recognizing decarburization and determining at what point cracks...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0092155
EISBN: 978-1-62708-221-1
... spline had a gently radiused, concave area of damage approximately 6.4 × 25 mm (0.25 × 1 in.) and 0.13 mm (0.005 in.) deep at its center. However, the amount of damage on the drive side of these splines was considered to be excessive for only 13,700 km (8500 miles) of service. Spectrographic analysis...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
... plans did not show a weld between this flange plate and the 13 mm ( 1 2 in.) thick, 600 mm (24 in.) wide top plate of a double-web crossframe at piers 12, 13, and 14 ( Fig. 1 ). However, the shop drawings called for a complete-penetration but weld joining the crossframe to the flange plate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001800
EISBN: 978-1-62708-241-9
... with cold-drawn music wire. In music wire the ferrite grains and pearlite colonies are severely deformed, and any prior austenite grain boundaries are destroyed during the drawing operation. Indeed, longitudinal metallographic sections of the wires revealed highly deformed ferrite and pearlite, the normal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047879
EISBN: 978-1-62708-234-1
... A, “Original design,” Fig. 1 ). The face of the outboard section of the shaft had a groove approximately 6.4 mm (0.25 in.) deep by 7.9 mm (0.3 in.) wide around its circumference. This step followed the shape of the weld metal on the mating piece. The fracture surface along the weld metal contained no forged...