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breaker cores

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
... (16,000 to 10,000 lbf . ft) so that the tunnel airspeed could be increased when the rotor torque suddenly decreased to negative 2700 N.m (2000 lbf . ft) in an uncommanded event. Because control of the rotor had been lost, the breaker to the motors driving the propeller was opened to protect the motors...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... line speeds. A standard SSE has three zones, defined by the size of the screw core in each zone ( Fig. 3 ). In the feed zone, the screw core is smallest and has a constant diameter. In the metering zone, the screw core is largest and has a constant diameter. The distance between the barrel...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... a chip breaker in the cutting tool or changing the microstructure of the workpiece steel. For example, heat treating AISI 1008 brake piston cups by reheating to the austenitizing region with a short soaking time and quenching transformed the microstructure from pearlite-ferrite to martensite-bainite...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
.... The core fracture morphology consisted of elliptical dimples. Fig. 7 Valve seat fractures (Example 5). (a) View of the seat fracture surface with intergranular near-surface features from the carburizing heat treatment. Scanning electron micrograph. Original magnification: 59×. (b) Cross section...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... of intergranular fracture near the exterior surfaces, as shown in Fig. 7(a) . No fracture origins were apparent, although corners at circular crossholes were considered the probable origins. The core fracture morphology consisted of elliptical dimples. Fig. 7 Valve seat fractures ( example 5 ). (a) View...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... HRC) for the metal in the core and 370 (28.6 HRC) for the metal near the surface. Electrolytic etching in oxalic acid revealed carbide precipitation at the grain boundaries ( Fig. 8c ) throughout the material but more prevalent in the area of large grains. Annealing a portion of the clamp...