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visual warning

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270126
EISBN: 978-1-62708-301-0
... Abstract A test flight was cut short after a fire warning came on indicating a problem with one of the four engines on an aircraft. A visual examination following the precautionary landing revealed several burned hoses, a melted bolt, and fuel leaking from the base of the main burner. The fuel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... Abstract This chapter discusses corrosion prevention methods used with aluminum and its alloys. The methods range from relatively straightforward measures, such as proper handling and storage, to advanced early warning corrosion monitoring systems for military aircraft. The chapter summarizes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... that excessive clearance allowed the outer bearing races to rotate, thus removing material from adjacent contact surfaces and accelerating the buildup of metal particles in the engine oil. The chapter recommends several design changes to remedy the problem. aircraft bearings oil analysis visual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
... target-versus-actual comparison as well as the visualization of the results in individual departments. Problems are clearly revealed, and improvement measures are shown. Phase 5: Trained moderators lead quality circles that optimize individual processes within a process chain, with the personnel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... sources of component failure. This is followed by a section on the stages of a failure analysis, which can proceed one after the other or occur at the same time. These stages of analysis are collection of background data, preliminary visual examination, nondestructive testing, selection and preservation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260233
EISBN: 978-1-62708-336-2
... is then put into operation in order to detect any significant change in the likelihood of failure or the variation of measured characteristics of the product, with the purpose of having an early warning when some feature of the production process has changed. When a significant change in the output is found...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... this question. Before evaluating the effects of the heat treatment itself, one must first examine the physical condition of the damaged property. It must be understood how the loads interacted with the component to create new surface area where none used to exist. The visual appearance in three dimensions can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... allows workers to follow the effectiveness of a corrosion-control system and provides early warning when damaging conditions arise. It is beyond the scope of this chapter to present a detailed description of all corrosion tests and/or tests for specific forms of corrosion. Instead, a general overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... in make-up water consumption as well as a warning alarm and sound from the subject region. The MOC of the tube was SA 213 T91 steel, and the tube dimensions were 60.0 mm (2.35 in.) diameter and 4.5 mm (0.15 in.) wall thickness. Visual examination was carried out on a tube sample received...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... that time, organizations such as the National Board of Boiler and Pressure Vessel Inspectors and the Technical Association of the Pulp and Paper Industry have issued warnings to plant operators, and these warnings have resulted in the formation of inspection programs for evaluating the integrity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
.... In the automobile industry, cases have been reported regarding withdrawal of entire lots of cars from the market for repair and replacement, after realizing that the cars had serious defects that made them unsafe. It is amazing that complex legal issues have been solved by the thorough visual examination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... of the cracks demands that inspection not be carried out too soon, especially in welds that will have external stresses applied when put in service. Because some of the cracks do not extend to the surface, they are not detectable by visual inspection methods (for example, liquid penetrant, or magnetic particle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
..., producing a rectangular window -like appearance ( Ref 6.1 ), as shown in Fig. 6.49 . Thus, it is a fracture that occurs violently and without any prior warning. Fig. 6.49 Window-type fracture in waterwall tube due to hydrogen damage Hydrogen damage can occur under low as well as high pH...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... these stages in detail. Collection of background data and selection of samples Preliminary examination of the failed part (visual examination and record keeping) Nondestructive testing (NDT) Mechanical testing (including hardness and toughness testing) Selection, identification, preservation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720267
EISBN: 978-1-62708-305-8
... provides the visual display of the time and amplitude parameters used to interpret the data from the ultrasonic inspection Fig. 1 Typical pulse echo instrument. Source: Ref 1 Generation and detection of ultrasonic waves for inspection is accomplished by means of a transducer element...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... action under heavy contact pressure and is a warning that the metal is close to failure. The parallel diagonal marks are tool marks resulting from the shaving operation and are not involved with the service in any way. (c) Fracture of gear tooth at pitch line. Another consequence of pitting fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... of (or spatial relationships between) the constituents in metals and alloys. The examination of structure may be done over a wide range of length scales or magnification levels, ranging from a visual or lowmagnification (~20×) examination to magnifications over 1,000,000× with electron microscopes. Metallography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030349
EISBN: 978-1-62708-282-2
... with agitation that produced severe liquid-phase turbulence. In most cases, corrosion in the liquid phase is uniform in nature and shows low pitting factor values. In heavy oil/brine/CO 2 environments, high pitting factor values and visual signs of localized corrosion have been observed in the liquid phase...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180001
EISBN: 978-1-62708-256-3
... of overconfidence. How often has a supplier or coworker told you, “I know what I’m doing, you don’t have to warn me.” Next thing you know, there is a hole in a part where it doesn’t belong. Fig. 3 Even an expert can sometimes fail. I could never determine if the photograph in Fig. 4...