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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0092148
EISBN: 978-1-62708-235-8
...Abstract Abstract Occasional failures were experienced in spool-type valves used in a hydraulic system. When a valve would fail, the close-fitting rotary valve would seize, causing loss of flow control of the hydraulic oil. The rotating spool in the valve was made of 8620 steel and was gas...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... Engineering Corporation, where it was used to analyze the safety of flight control systems for naval aircraft ( Ref 1 , 2 ). The first article to describe the FMEA process in detail was published in 1960 by Lomas, who was an engineer employed by the U.S. Navy ( Ref 2 ), but the procedure he described...
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
... that initially gained global prominence in the 1980s, corporations, plants, government agencies, and other organizations developed new management systems and processes aimed at improving quality and customer satisfaction. Some of these systems include Total Quality Management (TQM), Continuous Improvement (CI...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... of a consumer ( Ref 12 ). These characteristics of quality also apply internally to those in organizations, either in the services, or in manufacturing, operating, or administering products, processes, and systems ( Ref 12 ). Computer software systems for quality control have also gained prominence. The intent...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... the corrosion rate of a metal by polarizing it into its passive region, where dissolution rates are low. Design changes involving components, processes, or systems may be necessary to alleviate corrosion. Poor designs can cause materials highly resistant to uniform corrosion attack to fail catastrophically...
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
... of low-loading trailers require the use of a particular relay valve because of their physical layout. The relay valve directs and releases air, depending on signals from the driver's brake pedal, trailer brake controls, and the integrity of the air system. An inspection of the valve from the accident...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... Adjusting the Thermal Gradient Factors Governing Dissolution Factors Governing Oxidation Installation Methods and Maintenance Procedures Process Control Inherent variabilities in any given process or radical changes in the input or output parameters have many times unforeseen effects...
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
... and the sampling and analysis of conditions usually achieved by the installation of removable coupons in the target system. The article also explains the prevention and control strategies of MIC in industrial systems. aluminum aluminum alloys condition monitoring cooling towers copper copper alloys...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... Worn wire screen in minerals processing plant showing effects of sliding wear in moist environment Fig. 4 Comparison of slurry wear for the flow-through and recycled slurry systems using a low-alloy steel in a 2% silica sand slurry. Source: Ref 13 Fig. 6 Relationship between...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001017
EISBN: 978-1-62708-219-8
... miles long. The purpose of this investigation was to determine the probable cause of failure. The submerged-arc welding process used produced a weld from the outside surface. A full penetration weld was intended. Linear speed and other usual welding variables were under the control of the operator...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... and Processing Science of Metal Additive Manufacturing , Int. Mater. Rev. , Vol 61 (No. 5 ), 2016 , p 315 – 360 , 10.1080/09506608.2015.1116649 32. Reutzel E.W. and Nassar A.R. , A Survey of Sensing and Control Systems for Machine and Process Monitoring of Directed-Energy, Metal-Based...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... phosphate only (no mono- or bisodium phosphate) Volatile feedwater chemistry control Reduce drum pressure The methodology used by EPRI to classify boiler tube damage mechanisms is a valid method to apply in other systems. Identification of potential damage mechanisms, acquisition of detailed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... biocide treatment in an oilfield produced-water system indicate the extent of biofouling. In this case, biocide A loses control of microbial fouling after 60 days relative to biocide B. Fig. 10 Reduced flow in a “dead leg” enabled extensive black deposits to build up, as observed through an open...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... significantly, changing the thermal processing environment during heat treatment could control failures. Categorizing the failure as being caused by the stress environment would not be as helpful because impact loading is a normal condition that cannot be changed. Furthermore, the subject couplers did not fail...
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
...Abstract Abstract The intent of this article is to assist the failure analyst in understanding the underlying engineering design process embodied in a failed component or system. It begins with a description of the mode of failure. This is followed by a section providing information on the root...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
.... Liu T. , Li X. , Wang H. , Sun X. : Formation process of mixed fouling of microbe and CaCO 3 in water systems . Chem. Eng. J. 88 , 249 – 254 ( 2002 ) 10.1016/S1385-8947(02)00021-9 12. Gollapudi U.K. , Knutson C.L. , Bang S.S. , Islam M.R. : A new...
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
...-dispersive x-ray spectroscopy (WDS) is a quantitative microchemical analysis technique performed in conjunction with SEM. Energy-dispersive x-ray spectroscopy and WDS are complimentary to each other. Quantitative WDS is used extensively in process and quality control of metals, ceramics, cement, minerals...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006817
EISBN: 978-1-62708-329-4
... Standard Practice: Reliability-Centered Maintenance (RCM) Process ” (PDF), MIL-STD-3034, United States Department of Defense , Jan 21 , 2011 • “ Military Standard: Reliability-Centered Maintenance (RCM) Requirements for Naval Aircraft, Weapons Systems, and Support Equipment (S/S by MIL-HDBK-2173...
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
... that caused nonuniform deformations and residual stresses during the flow forming process. 8 Grain size control is important because fine grain sizes are not desirable for cold forming, and large grain sizes lead to fish scaling and cracking. Microstructural inhomogeneities were also shown to affect...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003504
EISBN: 978-1-62708-180-1
... protection. The remaining potential tasks were evaluated to determine whether they were economically useful. These procedures provide a systematic review of the aircraft design so that, in the absence of real experience, the best (maintenance) process can be utilized for each component or system” ( Ref 5...