1-20 of 39 Search Results for

welded nozzle assembly

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
...Abstract Abstract This case study describes the failure analysis of a steel nozzle in which cracking was observed after a circumferential welding process. The nozzle assembly was made from low-carbon CrMoV alloy steel that was subsequently single-pass butt welded using gas tungsten arc welding...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047586
EISBN: 978-1-62708-236-5
...Abstract Abstract A fuel-nozzle-support assembly showed transverse indications after fluorescent liquid-penetrant inspection of a repair-welded area at a fillet on the front side of the support neck adjacent to the mounting flange. Visual examination disclosed an irregular crack. The crack...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047583
EISBN: 978-1-62708-217-4
...Abstract Abstract An aircraft fuel-nozzle-support assembly exhibited cracks along the periphery of a fusion weld that attached a support arm to a fairing in a joint that approximated a T-shape in cross section. The base metal was type 321 stainless steel. Examination showed a good-quality weld...
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
... after welding of the new heat shields. These cracks were adjacent to the weld. Attempts at welding several other replacement heat shields just removed from their packaging also resulted in cracks. The cracked fuel nozzle/heat shield assemblies were submitted for failure analysis to determine...
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
..., the attachment of the shell segment to nozzle ring is not a monoblock casting, forging, or full penetration butt weld. Fig. 13 illustrates the fillet weld lap joint attachment of the tank car nozzle to the two ring shell segments of the tank car shell. Fig. 13 Nozzle/plate lap weld to two center shell...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
..., on the starboard side, also fractured at its tack-welded joint. A schematic diagram of the elevator hinge pin assembly is provided in Fig. 6 . It is important to keep in mind that, following an aircraft failure, all aircraft components should be treated as evidence. Even if the subject aircraft...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001756
EISBN: 978-1-62708-241-9
... compressor drum is bolted to the HP turbine rotor shaft by a curvic coupling which locates the drum and shaft and transmits the turbine drive. Compressor stator assembly consists of a series of vanes welded on the outer platform to form a ring behind each row of rotor blades in each stage. The HP nozzle...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... Fig. 1 (a) Welded assemblies may contain cracks not completely severed. (b) Selective cutting of the part may be needed to reveal the fracture surface to find the point of crack initiation. (c) The failure initiated as fatigue at the weld toe. Fig. 2 The stress distribution...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... involving HCF. Residual tensile stresses from forming operations or welding can reduce fatigue endurance. Residual compressive stresses have been intentionally introduced by shot peening to reduce the effective peak stress. To prevent HCF failures, shot peening would have to lower the effective stress...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
.... ASME , Vol 69 , 1947 , p 69 – 79 120. Markl A. and George H. , Fatigue Tests on Flanged Assemblies , Trans. ASME , Vol 72 , 1950 , p 77 – 87 121. Jaske C.E. , “ Part 1: Fatigue Strength Reduction and Stress Concentration Factors for Welds in Pressure Vessels...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... on Titanium Tubes in a Condenser , J. Fail. Anal. Prevent. , Vol 16 , 2016 , p 975 – 981 10.1007/s11668-016-0171-5 18. Das C.R. , Bhaduri A.K. , and Ray S.K. , Fatigue Failure of a Fillet Welded Nozzle Joint , Eng. Fail. Anal. , Vol 10 , 2003 , p 667 – 674 10.1016/S1350-6307...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... can be a source of weld defects in heat exchangers. For example, a pinhole leak developed in a heat-exchanger shell adjacent to a weld deposit that joined a nozzle, made of 19-mm ( 3 4 -in.) diam schedule 80 pipe, to the shell. When the nozzle was removed, it was found to have been installed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... and high-hardness bands in the weld deposit. Also, the clapper was plated with nickel instead of cadmium. Corrective Measure A clapper assembly was welded with a low-carbon steel filler metal, then cadmium plated. The new clapper was installed in the valve and subsequently provided satisfactory...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
.... Effects of Construction Practices Many imperfections are detected before actual operation. For example, a crack indication was found in a forged nozzle by magnetic-particle inspection before welding of the nozzle into a pressure vessel. The nozzle manufacturer had found the crack and, instead...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... condition, or stress concentrations. These preconditions also can be introduced in many ways by design and/or in conjunction with various production operations such as welding, thermal processing, surface finishing, fabrication, and assembly. Perhaps of greatest concern is the influence of high levels...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... the resistance of the current path in the solution and the external circuit. Thus, if dissimilar pipes are butt welded with the electrolyte flowing through them, the most severe corrosion will occur adjacent to the weld on the anodic member. Effect of Shape The geometry of the circuit elements determines...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... and the anode surfaces affects the resistance of the current path in the solution and the external circuit. Thus, if dissimilar pipes are butt welded with the electrolyte flowing through them, the most severe corrosion will occur immediately adjacent to the weld on the anodic member. Effect of Shape...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001713
EISBN: 978-1-62708-220-4
... Inspection of the Blender Inspection of Interior Shell Vacuum Tube Assembly The stainless steel shell of the blender was structurally sound and had very little damage. We found no evidence that the shell was breached prior to the accident or that the chemical reactions initiated at the surface...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... for mechanical systems such as landing gear and gear box components Agriculture: Welded carbon or low-alloy steel pressure vessels containing ammoniacal materials that are used as a fertilizer, or stainless steel components subjected to chlorides Chemical, petrochemical, pharmaceutical, and refining...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... involves implicit and possibly unappreciated assumptions, which may not account for the synergistic effects of service conditions, manufacturing effects, and material characteristics. It is easy to imagine, for example, that one structural member in an assembly may appear to be sufficiently strong when...