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diffusion

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001679
EISBN: 978-1-62708-229-7
... Abstract Several mercury diffusion pump stages in the Tritium Purification process at the Savannah River Site (SRS) have been removed from service for scheduled preventive maintenance. These stages have been examined to determine if failure has occurred. Evidence of fatigue around the flange...
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Published: 01 June 2019
Fig. 7 SEM Micrograph Representative of Particles on Mercury Diffusion Pump Stage More
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Published: 01 June 2019
Fig. 8 EDS of Particles on Mercury Diffusion Pump Stage More
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Published: 15 January 2021
Fig. 12 Wavelength-dispersive spectrometer (WDS) analysis results showing diffusion of phosphorus from the outer surface into the substrate material on an alloy steel fastener More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... Abstract An exhaust diffuser assembly failed prematurely in service. The failure occurred near the intake end of the assembly and involved fracture in the diffuser cone (Corten), diffuser in take flange (type 310 stainless steel), diffuser exit flange (type 405 stainless steel), expansion...
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Published: 01 January 2002
Fig. 14 Fracture surface diffuse lighting. (a) Dual-side incandescent diffuse copystand lighting setup. (b) Resulting diffuse lighting photograph of a fatigue fracture More
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Published: 01 January 2002
Fig. 25 Local and diffuse necking in copper and in 200 nickel. Width-to-thickness ratio ∼24:1. Note that fracture initiation has occurred in the local necks at the edges of the specimens. More
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Published: 01 January 2002
Fig. 26 Diffuse and localized necks in an 1100 aluminum sheet tensile specimen. Source: Ref 51 More
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Published: 01 January 2002
Fig. 87 Biaxial stress ratios that permit no necking, diffuse necking, and local necking. Source: Ref 32 More
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Published: 01 June 2019
Fig. 16 Pits Inside Diffuser Tube from 1988 EB More
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Published: 01 June 2019
Fig. 19 Metallographic Section of Diffuser Tube from 1988 EB More
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Published: 01 June 2019
Fig. 20 Metallographic Section of Diffuser Tube from 1988 MP More
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Published: 01 June 2019
Fig. 2 Fuel Nozzle/Heat Shield Assembly Mounting Location in Diffuser Case More
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Published: 01 June 2019
Fig. 1 Simplified sugar beet diffuser diagram. More
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Published: 01 December 1993
Fig. 1 Exhaust diffuser assembly. Arrow indicates direction of airflow. More
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Published: 01 December 1993
Fig. 2 Diffuser cone with intake side up. Note the zigzag fracture path along intake end (large arrow) and separation (small arrows) along exit side. More
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Published: 01 December 1993
Fig. 3 Fracture edge of diffuser cone near exit side, showing abrasions across weld and blisters (arrows) in diffuser cone. More
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Published: 01 December 1993
Fig. 5 Representative transverse sections of diffuser intake subassembly. (a) Fracture through fusion boundary with type 310 stainless steel. (b) Fracture through welds. (c) Fracture through Corten. More
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Published: 01 December 1993
Fig. 6 Transverse section of weld between intake flange (left) and diffuser cone (right). Large arrow indicates cracking near fusion boundary with type 310 stainless steel. Small arrows indicate fragments of Corten steel in fusion zone. More
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Published: 01 December 1993
Fig. 8 Representative transverse sections of diffuser exit subassembly (a) Fracture in Corten. (b) Fracture in type 405 stainless steel adjacent to the weld. More