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deformation welding

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... of about 1 m onto the opposite support. The fracture was a grainy forced rupture that propagated from one of the fillet welds. Investigation showed a steel was selected for this important construction that was prone to aging and that in fact had aged through cold deformation during straightening...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001204
EISBN: 978-1-62708-219-8
... cracked outside of the weld seam closely under the head. Neither one had been particularly deformed before fracture. The composition of the head pieces corresponded approximately to manganese steel (Material No. 1 0845), a weldable construction steel with increased yield point and strength, while...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001348
EISBN: 978-1-62708-215-0
...Abstract Abstract Two tanks made of AISI type 304 stainless steel exhibited cracking in the heat-affected zone (HAZ) of the weld that joined the dished end and the shell. The dished ends had been produced by cold deformation. Hardness measurement and simulation tests showed that the deformation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001247
EISBN: 978-1-62708-228-0
...Abstract Abstract Three samples from a ruptured 316 stainless steel tube were examined. The tube, 114 mm OD, wall thickness 8.00 mm, with 13 mm thick 321 stainless steel fins welded to the outer surface of the tube, was part of a heater through which sour gas, containing methane plus H2S and CO...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001218
EISBN: 978-1-62708-234-1
.... An indication of the origin of the stresses is given by the slip lines and deformation twins shown in the etched section in Fig. 9 . Fig. 10 shows the structure of the welding globule. Fig. 7 Corrosion at a contact surface of loop, transverse section, unetched. 100 × Fig. 8 Longitudinal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001011
EISBN: 978-1-62708-229-7
... in which failure took place was 50.8 mm in diam with a nominal wall thickness of 8 mm. It connected to the AISI 321 superheater tube by means of a butt weld and was one of 46 such parallel connecting tubes. The Cr-Mo tubing was situated outside the heat transfer zone of the superheater. The overall...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001150
EISBN: 978-1-62708-235-8
..., a number of flight arm bars exhibited almost identical preexisting cracks, but had significantly deformed during the incident. Figure 6 highlights one of the bent bars; evident is a crack at the toe of the attachment weld. Clearly, the fracture toughness of the bent bars was sufficient to withstand...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001139
EISBN: 978-1-62708-221-1
..., while Fig. 8 , shows buckled or bent booms. Fig. 3 Failure at Weld. Fig. 4 Fatigue Failure. Fig. 5 Deformation in Lift Cylinder Area. Fig. 6 Deformation of Carrier. Fig. 7 Typical Cracks in Carrier. Fig. 8 Boom Deformation...
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
... examination readily identifies that the center square member of the failed anchor has undergone considerable torsional plastic deformation. This deformation results from the installation forces required to screw the anchor into the ground via the weld attached blades in an action essentially identical...
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
... deformation. As it is seen, the observed ASBs are usually located parallel or at an oblique angle to the weld line. Figure 10 shows a close view of an evolved ASB, where the severe elongation of grains can be seen within this band as a main characteristic of ASBs [ 19 ]. The microstructure of steel...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... of macroplastic deformation. The external surface of the diffuser assembly also showed evidence of abrasion (rubbing) along the exit flange of type 405 stainless steel and an appreciable reduction in thickness across the weld seam. These abrasion marks were observed only at a select location rather than along...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001612
EISBN: 978-1-62708-218-1
... surface, away from the nugget, 15×, (c) W1 surface. Note the grainy/shiny surface, 15×. The spot weld peeled and allowed sheet separation during fracture ( Fig. 4 ). The surface of these peeled regions showed oxides and little or no evidence of plastic deformation before separation of the sheets...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001426
EISBN: 978-1-62708-224-2
... subjected to a bend test by wedging them open by means of a chisel inserted in the saw-cut and they all failed by progressive tearing at the weld with little evidence of prior plastic deformation; three of them are illustrated in Figure 1(c) . Three other specimens were cut from apparently sound links...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... significant visible macroscopic plastic deformation. Applied stress and energy from an external source is required to propagate the fracture, rather than residual stresses alone. Ductile cracks blunt and stop when the stresses are dynamically reduced and insufficient energy to create further distortion...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... amount of plasticity globally Ductile Overload Failures Ductile overload failures are simply those that exhibit significant visible macroscopic plastic deformation. Applied stress and energy from an external source are required to propagate the fracture, rather than residual stresses alone...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001821
EISBN: 978-1-62708-241-9
... by elevated-temperature deformation leading to stress-rupture formation of several stable tears. The BLEVE occurred when these tears became unstable and propagated as a 45° shear failure. Premature stress-rupture tearing occurred in a surface weld and its underlying HAZ, but this was superficial and did...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
.... , Cyclic Deformation and Phase Transformation in Cavitation Erosion of Alloys , Int. Conf. on Cavitation , C453/051, Institution of Mechanical Engineers , 1992 , p 87 – 94 17. Richman R.H. , Deformation-Induced Martensite and Resistance to Cavitation Erosion , J. Phys. (France) IV...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001114
EISBN: 978-1-62708-214-3
... material. Contributing factors included the presence of a hard, brittle, heat-affected zone and weld defects at the handling pad eye. It was recommended that the replacement clamp be made from a material with good toughness and that any installation of attachments by welding be done according to qualified...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... the bilge keel in other ships and may be a nuisance in the future, the hull integrity of the ships is not threatened and major repairs are not needed. Lamellar tearing Ship plate Welded joints Fe-0.16C-0.68Mn Joining-related failures Corrosion fatigue Introduction General Observations...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001818
EISBN: 978-1-62708-241-9
.../burst is at the end of the sleeve which is away from fuel gas burner and where the maximum temperature of the flame is expected. No noticeable external or internal wet corrosion is observed. Longitudinal welds also opened up/detached from the base metal. External surface was highly deformed...