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Weldments, corrosion

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001351
EISBN: 978-1-62708-215-0
.... Breeder reactors Fast reactors Leakage Marine environments Nuclear reactor components, corrosion Pitting (corrosion) Welded joints, corrosion Weldments, corrosion 347 UNS S34700 Stress-corrosion cracking Background Testing Procedure and Results Discussion Conclusion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046233
EISBN: 978-1-62708-235-8
...Abstract Abstract A drawbar connecting two tank-type trailers of a highway gasoline rig broke while the rig was on an exit ramp of an interstate highway. The drawbar was a weldment of steel plates, tubes, and castings. Light fractography showed no discernable causes for the failure, but a TEM...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001328
EISBN: 978-1-62708-215-0
... within weld metal. 63× Weldments All weldments exhibited high degrees of secondary precipitates with original fabrication welds exhibiting higher apparent levels than repair welds. The original weld(s) exhibited relatively deeper penetration by intergranular corrosion. This difference...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048814
EISBN: 978-1-62708-229-7
.... It was concluded by series of controlled crack-propagation-rate stress-corrosion tests that A302, grade B, steel was susceptible to transgranular stress-corrosion attack in constant extension rate testing with as low as 1 ppm chloride present. It was recommended to maintain the coolant environment low in oxygen...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
.... , “ Fabricating Nickel Alloys to Avoid Stress Relaxation Cracking ,” Paper 07421, NACE International Corrosion Conference , Houston, TX , 2007 35. Maddox S.J. , “ Scale Effect in Fatigue of Fillet-Welded Aluminum Alloys ,” presented at Sixth International Conference on Aluminum Weldments...
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
... was equivalent to a 30% reduction in thickness. Residual stresses were measured at about 135 MPa (20 ksi). The HAZ was found to be sensitized. The tanks had been stored in a coastal atmosphere for about 4 years before installation. The failure was attributed to intergranular stress-corrosion cracking...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
... weldments . Weld. J. 5 , 36 – 40 ( 2005 ) 7. White W.E. : Observations of the influence of microstructure on corrosion of welded conventional and stainless steels . Mater. Charact. 28 , 349 – 358 ( 1992 ) 10.1016/1044-5803(92)90021-9 8. Lima-Neto P. , de Farias J.P...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... of considerable material sensitization. In view of the above observations, the failure is considered to be intergranular stress corrosion cracking in the sensitized region of the weld repair heat-affected zone. Fig. 3 Photomicrograph of specimen showing crack counterbore and weldment (pipe approximately...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... FAILURES may be divided into two classes: those rejected after inspection and mechanical testing, and failures in service that may arise from fracture, wear, corrosion, or deformation (distortion). Causes for rejection during inspection may be either features visible on the weldment surface or subsurface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... ). Weldments in Stainless Steel Most failures are associated with welds, because areas of joining tend to be inherently more susceptible to corrosive attack than the base material. Studies have shown that heat-tinted zones are especially vulnerable. These zones are created in a welding process where...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001065
EISBN: 978-1-62708-214-3
..., respectively) from the suction line were analyzed. Evidence of overall thinning of the elbow and pipe material and ductile tearing of fractures indicated that the feed water pipe failed as a result of an erosion corrosion mechanism, which thinned the wall sufficiently to cause rapid, ductile tearing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046915
EISBN: 978-1-62708-232-7
... (15 in.) deep with a 2.5-cm (1-in.) wall thickness, was a type 309 stainless steel weldment. Operating temperatures of the lead bath in the pan ranged from 805 deg C (1480 deg F) at the entry end to 845 deg C (1550 deg F) at the exit end. Analysis (visual inspection. metallographic analysis, moisture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048801
EISBN: 978-1-62708-229-7
... by scanning electron microscopy. The cracks were revealed to be in existence for some time before the final failure which was indicated by the extent and amount of corrosion products. It was concluded that low ductility was responsible for the original initiation of cracks in the pipe. Crack propagation...
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
... examination of sections cut from the cracked area identified lamellar tearing as the principle cause of the cracking. This was surprising in 6 mm thick hull plates. Corrosion fatigue and general corrosion also contributed to hull plate perforation. Although it is probable that more lamellar tears exist near...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001837
EISBN: 978-1-62708-241-9
... – 613 . 10.31399/asm.hb.v01.a0001034 Low C–CrMoV steel is non-corrosion resistant high-strength steel widely employed for the applications demanding high strength combined with high toughness and good weldability in the treated condition. The tensile strength of this steel in annealed condition...
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
...Abstract Abstract Two AISI type 316 stainless steel dished ends failed through the formation of intergranular stress-corrosion cracks (IGSCC) within a few months of service. The dished ends failed in the straight portions near the circumferential welds that joined the ends to the cylindrical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c9001562
EISBN: 978-1-62708-230-3
... was replaced with an Inconel clad carbon steel inlet cone to combat the SCC. Chlorides Inlet cones Paper machines 304L UNS S30403 Stress-corrosion cracking The Pandia digester is a long cylindrical vessel which uses alkaline sulfite liquor to cook sawdust for pulping. The cylindrical vessel...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001072
EISBN: 978-1-62708-214-3
... The failure was attributed to stress-corrosion cracking caused by a corrosive atmosphere. Chemical processing equipment Weldments ASTM A294 Stress-corrosion cracking Background Visual Examination of General Physical Features Testing Procedure and Results Conclusion and Recommendations...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0091594
EISBN: 978-1-62708-228-0
... vessels in lean amine service if the temperature is expected to be above 95 deg C (200 deg F). Recommendations included inspecting all welds using shear wave ultrasonic testing and postweld heat treating all welds in lean amine service. Piping Refineries Sulfur recovery units Weldments Welded...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... that failed in tension because of overloading. Excessive wear on a 16-mm ( 5 8 -in.) diam 6 × 37 (6 strands of 37 wires each) fiber-core improved plow steel wire rope is described in Example 3 in this article. Corrosion failures are also relatively frequent because of the environments in which...