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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270175
EISBN: 978-1-62708-301-0
... Abstract Several hydraulic pumps that failed in service on a particular type of aircraft were received for analysis. Hydraulic testing was not an option, so the pumps were disassembled and their plungers and cylinders were cleaned and examined. Based on their observations, investigators...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270196
EISBN: 978-1-62708-301-0
... Abstract Fastening screws used in fuel-injection pumps failed during assembly and were examined to determine the cause. Based on observations and the result SEM fractography and hardness measurements, the screws failed by brittle intergranular fracture due to hydrogen embrittlement associated...
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Published: 01 December 2009
Fig. 11.8 High-performance liquid chromatography equipment pumps the mobile liquid phase through the stationary phase and identifies emerging compounds using refractive techniques. More
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Published: 01 June 2016
Fig. 4.14 Liquid nitrogen pump system with dual pumps (middle), liquid nitrogen tank (right), and controls and vaporizer (left). Courtesy of Air Products and Chemicals, Inc. More
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Published: 01 August 2012
Fig. 12.4 Hydraulic pumps commonly used in presses: (a) external gear pump, (b) International Organization for Standardization symbol for constant-displacement pump, (c) bent axis axial piston pump, and (d) International Organization for Standardization symbol for variable-displacement pumps More
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Published: 01 March 2000
Fig. 4 Floor-based, soundproofed pump system. 1, pumps on the oil tank of the press. Source: SMS Engineering Inc. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270092
EISBN: 978-1-62708-301-0
... Abstract An aircraft fuel pump failed just after takeoff, resulting in engine flameout. Investigators discovered that one of the seven pistons broke into several pieces, causing the quill shaft to fracture. An examination of the fracture surfaces revealed severe rubbing on the quill shaft...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270074
EISBN: 978-1-62708-301-0
... Abstract This chapter discusses the key findings of an investigation into the failure of an aircraft engine fuel pump. It explains how investigators came to the conclusion that metal slivers from a heavily worn spring may have interrupted the flow of lubricant to one of the slipper pads...
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Published: 01 December 1995
Fig. 11-10 Cast-weld pump. Two cast halves of a pump being welded together using submerged arc techniques. Castings are produced with the weld groove cast-to-shape. More
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Published: 30 November 2023
Fig. 7.16 A metallic pump for die casting and gravity permanent mold applications. Reprinted with permission from Ref 11 More
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Published: 31 March 2024
Fig. 5.18 Power train schematic for gas-turbine-driven water pump More
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Published: 01 January 2000
Fig. 47 Layer-type dezincification of a brass pump component. The dark (red) outer layers are uniformly corroded regions surrounding the uncorroded metal (original yellow) of the brass. Source: Nalco Chemical Company More
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Published: 01 December 2018
Fig. 4.9 Melt treatment system with a metal pump More
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Published: 01 January 2000
Fig. 29 Erosion-corrosion of a cast stainless steel pump impeller after exposure to hot concentrated sulfuric acid with some solids present. Note the grooves, gullies, waves, and valleys common to erosion-corrosion damage. More
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Published: 01 January 2000
Fig. 38 A cast steel feedwater-pump impeller severely damaged by cavitation. Note how damage is confined to the outer edges of the impeller where vane speed was maximum. Source: Nalco Chemical Company More
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Published: 30 November 2013
Fig. 4 Erosive wear of a gray cast iron water pump impeller. The sharp corners of the (a) new impeller have been (b) completely rounded off by the abrasive wear of sand in the cooling system. The change in shape of the vanes reduces the efficiency of the pump; if abrasive wear were to continue More
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Published: 01 October 2011
Fig. 16.3 The classic appearance of erosion-corrosion in a CF-8M pump impeller. Source: Ref 16.2 More
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Published: 01 June 2016
Fig. 4.12 Schematic showing the liquid nitrogen (LIN) pump system. Courtesy of Air Products and Chemicals, Inc. More
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Published: 01 June 2016
Fig. 9.3 Fretting damage on the hydraulic pump pad on an A357 cast aluminum transmission housing. Courtesy of the Applied Research Laboratory, The Pennsylvania State University More
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Published: 01 June 2016
Fig. 9.5 Hydraulic pump pad in the as-sprayed condition showing the Al-4047 coating. Courtesy of the Applied Research Laboratory, The Pennsylvania State University More