1-20 of 243 Search Results for

graphite

Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048498
EISBN: 978-1-62708-234-1
... Abstract A graphite-epoxy tapered-box structure, which consisted of two honeycomb skin panels fastened to a spanwise spar with intermediate chordwise ribs, fractured during testing. Hinge-line deflection of the front spar was revealed. Through-thickness cracks in the forward and trailing edges...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089657
EISBN: 978-1-62708-233-4
... as a means of absorbing recoil energy. During operation, the piston is stressed in tension, pulled by oil pressure on one end and the opposing force of the gun tube on the other. The casting specification stipulated that the graphite be substantially nodular and that metallographic test results be provided...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001279
EISBN: 978-1-62708-215-0
.... Metallographic examination revealed creep voids near the rupture in addition to graphite nodules. Exposure of the SA209 Grade T1A steel tubing to a calculated mean operating temperature of 530 deg C (983 deg F) for the 13 years resulted in graphitization and subsequent creep failure in Tube 3. The deformation...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001813
EISBN: 978-1-62708-241-9
... Abstract Graphitization, the formation of graphite nodules in carbon and low alloy steels, contributes to many failures in high-temperature environments. Three such failures in power-generating systems were analyzed to demonstrate the unpredictable nature of this failure mechanism and its...
Image
Published: 01 January 2002
Fig. 25 Static tensile failures in carbon-graphite composite samples. Failure was by fastener pullout. (a) Single-lap shear specimen. (b) Double-lap shear specimen. Both 1 1 3 × More
Image
Published: 01 January 2002
Fig. 26 Fatigue failure of fasteners in single-lop shear carbon-graphite composite joints. (a) Fastener pullout resulting from a static tensile load. (b) Fatigue failure of fasteners initiated by cocking of the fasteners. Both 1 1 3 × More
Image
Published: 01 January 2002
Fig. 9 Impressed-current cathodic protection of a buried pipeline using graphite anodes. Source: Ref 6 More
Image
Published: 01 January 2002
Fig. 8 Scanning electron micrograph of ductile cast iron graphite nodules and ferritic phase after corrosion tests. Note the loss of material at the interface of the nodule. 2000×. Source: Ref 11 , 12 More
Image
Published: 01 June 2019
Fig. 3 Structure of first crankcase, etch: Picral. 200 × Normal flake graphite More
Image
Published: 01 June 2019
Fig. 4 Structure of first crankcase, etch: Picral. 200 × Granular graphite. More
Image
Published: 01 June 2019
Fig. 8 Components of the water seal on the vacuum tube assembly. The graphite seals are indicated by arrows. The spring collar holds the seals against the two metal rings. More
Image
Published: 01 June 2019
Fig. 10 The graphite seals. The inboard seal, left, has a long circumferential groove between the 11:00 and 2:00 o'clock positions. Several radial marks are also visible on the surface of the seal (near arrows). More
Image
Published: 01 June 2019
Fig. 4 Graphite structure in the areas of the shrinkage condition. An estimated 90% is ASTM types I and II, with 150 nodules/mm 2 . As-polished. 54× More
Image
Published: 01 June 2019
Fig. 4 Graphite structure in the areas of the shrinkage condition. An estimated 90% is ASTM types I and II, with 150 nodules/mm 2 . As-polished. 54× More
Image
Published: 01 June 2019
Fig. 3 Optical metallograph of ductile cast iron showing the spheroidal graphite phase in a ferrite matrix. 250× More
Image
Published: 01 January 2002
Fig. 18 Demarcation line at the crack, showing the differences in graphite type and distribution on either side of the crack. Etched with nital. 33× More
Image
Published: 30 August 2021
Fig. 6 Demarcation line at the crack, showing the differences in graphite type and distribution on either side of the crack. Etched with nital. Original magnification: 33× More
Image
Published: 30 August 2021
Fig. 25 Static tensile failures in carbon-graphite composite samples. Failure was by fastener pullout. (a) Single-lap shear specimen. (b) Double-lap shear specimen. Original magnification for both: 1⅓× More
Image
Published: 30 August 2021
Fig. 26 Fatigue failure of fasteners in single-lap shear carbon-graphite composite joints. (a) Fastener pullout resulting from a static tensile load. (b) Fatigue failure of fasteners initiated by cocking of the fasteners. Original magnification for both: 1⅓× More
Image
Published: 15 January 2021
Fig. 26 Impressed-current cathodic protection of a buried pipeline using graphite anodes. Source: Ref 13 More