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ASTM Selected Technical Papers
Bearing Steels: The Rating of Nonmetallic Inclusion
By
JJC Hoo
JJC Hoo
1
FAG Bearing Corporation
,
Stamford, Conn., symposium chairman
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PT Kilhefner, Jr Jr
PT Kilhefner, Jr Jr
symposium co-chairman
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JJ Donze
JJ Donze
symposium co-chairman
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ISBN-10:
0-8031-0289-5
ISBN:
978-0-8031-0289-7
No. of Pages:
223
Publisher:
ASTM International
Publication date:
1975

For the determination of the microscopic degree of cleanliness, many charts and evaluation methods are in use internationally.

A summary of the best elements from the established methods used by the experts in West Germany is described. A procedure is given to the metallographer that sufficiently describes the microscopic degree of cleanliness as to shape, frequency, and size of the inclusions. The result is suitable for a statistic evaluation with modern computers.

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