Determination of Fracture Origin in Ceramic Radial Rotor by Taking Photographs at Failure From Two or Three Directions
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A technique involving taking moment photographs from two or three directions at failure of ceramic radial rotor was developed to determine the position of fracture origin of the radial rotor revolving at a high speed. The position of the fracture origin of the silicon nitride radial rotor, 60mm in outer diameter and fabricated by injection molding, was demonstrated to be the fillet at the base of the shaft subjected to high stress. Furthermore, the dependence of cracking modes of rotors on the position of fracture origin was demonstrated using ceramic rotors with artificial flaws.
1995 ◽
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2006 ◽
Vol 21
(5)
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pp. 464-472
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2016 ◽
Vol 231
(2)
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pp. 364-383
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