1-20 of 27 Search Results for

post-construction maintenance

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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001590
EISBN: 978-1-62708-228-0
... Abstract This case study demonstrates that Alloy 601 (UNS N06601) is susceptible to strain-age cracking. The observation illustrates the potential importance of post weld heat treatment to the successful utilization of this alloy in certain applications. Steam reforming Inconel 601 UNS...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... is often called a “machine.” As machines, ropes require prudent inspection, maintenance, and periodic replacement. The inherent friction coefficient between bare steel strands mandates presence of adequate lubrication to allow the requisite wire movement. Wire rope constructions are identified...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Improper surface finish Improper fit General poor workmanship Assembly after maintenance Mechanical damage Parts in wrong Parts omitted Misalignment Improper bolting Imbalance Piping stress Foreign material left in Wrong material of construction Preventive maintenance Postponed Schedule too long...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001702
EISBN: 978-1-62708-219-8
... older bridges currently in service along the Oregon Coast. The Rocky Point Viaduct was built more than 40 years ago at a very corrosive coastal site in Oregon within 100 meters of the Pacific Ocean. The maintenance and repair history will be documented and a post mortem analysis of one beam from...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... was the most heavily used door in the building. It was exposed to all weathers and the automatic device for damping the door movement and closing it after use required frequent maintenance. One windy Saturday, a woman was about to enter the post office through this door when a gust of wind blew it first...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... of the usage and environment, the automatic device for damping and closing the door required frequent maintenance. One windy Saturday, a woman was about to enter the post office through this door when a gust of wind blew the door first inward and then outward, evidently without any damper control. The door...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
..., the actual amplitude of the observed signal is recorded. In each case, a maximum likelihood analysis is performed to extract estimates of the POD and confidence levels from the data ( Ref 19 , 20 ). The difficulty in either of these approaches is the need to construct a set of realistic test samples each...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001430
EISBN: 978-1-62708-236-5
... to heat-affected zone cracking, residual stresses, the lower fatigue strength of the weld deposited metal, and weld defects. Repair welding Shafts (power) Weld defects Fe-0.6C Joining-related failures Fatigue fracture It is true to say that the construction of engineering plant — vessels...
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
... part failure Causes Type of failure Numbers Low water cut-off Faulty design fabrication or installation Corrosion or erosion Operator error or poor maintenance Burner failure Pressure control failure Other Burned or overheated Collapsed inward Combination...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... to create stress and crack initiation points. Additive manufacturing processes create products with various properties in differing directions, and the layering and application method can create weak points within the product. Although complex product designs can be made, the need for post-processing...
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
... or rejection in new construction inspection are also discussed. The article discusses the types of base metal cracks and metallurgical weld cracking. The article discusses the processes involved in the analysis of in-service weld failures. It briefly reviews the general types of process-related discontinuities...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
... temperature excursions previously, and had been at ambient temperature (up to 40 °C) during maintenance periods, without incidents. The reason crack initiation had not occurred earlier may have been because oxide films prevented wetting. (Once cracking initiated, rupture would occur almost immediately owing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001663
EISBN: 978-1-62708-236-5
... an exercise with field loadings a BFA might inadvertently be impacted with a projectile from a live round of ammunition. An intentional firing of live ammunition from an M-16 rifle with the earlier model AISI 4130 steel BFA was performed. The post-test condition of this adapter is shown in Figure 5...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
... ] investigated the cause of failure of a wire rope used for hoisting. The broken wire ends were consistent with tensile failure. Based on the physical inspection, and mechanical as well as metallurgical tests, they concluded that the cause of failure was due to improper maintenance and wrong handling of the rope...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... specimen was pressed against the anvils using a crosshead speed of 2.5 mm/min (0.1 in./min); load versus displacement was recorded as the test proceeded. The disk in the upper part of Fig. 2 was guided by the three vertical posts, and the upper end of the test specimen fitted into a blind hole...
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
... as to when periods of degradation began; maintenance records and interviews with operators can supplement machine data. When the performance parameters indicate a potential failure, confirmation of the nature and extent of the damage can be carried out by borescope inspection without disassembly...
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
... reviews fatigue assessment methods incorporated in international design and post construction codes and standards, with special emphasis on evaluating welds. Specifically, the stress-life approach, the strain-life approach, and the fracture mechanics (crack growth) approach are described. An overview...
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
... to an examination. As such, the engineering community now tends to make specific distinctions between the terms discontinuity and defect (or flaw). Neither construction materials nor engineered structures are free from imperfections, and welds and weld repairs are not exceptions. All welded structures contain...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... that affects the greatest number of structures, such as buildings, bridges, pipelines, and outdoor equipment. It attacks the most surface area and is the most expensive. Uniform corrosion is also the easiest to analyze, predict corrosion rates for, and establish preventive measures and maintenance schedules...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4