ASTM F2094-06e1

Standard Specification for Silicon Nitride Bearing Balls

ABSTRACT
This specification covers the establishment of the basic quality, physical/mechanical property, and test requirements for silicon nitride balls Classes I, II, and III to be used for ball bearings and specialty ball applications. Silicon nitride balls should be produced from either silicon nitride powder having the compositional limits from silicon metal powder.
SCOPE
1.1 This specification covers the establishment of the basic quality, physical/mechanical property, and test requirements for silicon nitride balls Classes I, II, and III to be used for ball bearings and specialty ball applications.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

General Information

• Status: Historical
• Publication Date: 31-Oct-2006
• ICS: 21.100.01 - Bearings in general
• Technical Committee: F34 - Rolling Element Bearings
• Drafting Committee: F34.01 - Rolling Element

Relations

• Replaces: ASTM F2094-06 - Standard Specification for Silicon Nitride Bearing Balls
• Effective Date: 01-Nov-2006
• Replaced By: ASTM F2094/F2094M-08 - Standard Specification for Silicon Nitride Bearing Balls
• Effective Date: 15-Nov-2008

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
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Designation: F2094 – 06
Standard Specification for
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Silicon Nitride Bearing Balls
This standard is issued under the fixed designation F2094; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
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´ NOTE—Table 2 was editorially corrected in June 2007.
1. Scope C1421 Test Methods for Determination of Fracture Tough-
ness of Advanced Ceramics at Ambient Temperature
1.1 This specification covers the establishment of the basic
E165 PracticeforLiquidPenetrantExaminationforGeneral
quality, physical/mechanical property, and test requirements
Industry
for silicon nitride balls Classes I, II, and III to be used for ball
E384 Test Method for Microindentation Hardness of Mate-
bearings and specialty ball applications.
rials
1.2 The values stated in either SI units or inch-pound units
E831 Test Method for Linear Thermal Expansion of Solid
are to be regarded separately as standard. The values stated in
Materials by Thermomechanical Analysis
each system are not exact equivalents; therefore, each system
E1417 Practice for Liquid Penetrant Testing
must be used independently of the other. Combining values
2.3 ANSI Standard:
from the two systems may result in nonconformance with the
ANSI/ASQC Z1.4 Sampling Procedures and Tables for
specification.
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Inspection by Attributes
2. Referenced Documents
2.4 ABMA Standards:
STD 1 Terminology forAnti-Friction Ball and Roller Bear-
2.1 Order of Precedence:
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ings and Parts
2.1.1 In the event of a conflict between the test of this
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STD 10 Metal Balls
document and the references herein, the text of this document
2.5 ASME Standard:
takes precedence. Nothing in this document, however, super-
B 46.1 Surface Texture (Surface Roughness, Waviness, and
sedes applicable laws and regulations unless a specific exemp-
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Lay)
tion has been obtained.
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2.6 DIN Standards:
2.2 ASTM Standards:
5401 Rolling Bearings; Balls of Through-Hardening Roll-
C373 Test Method for Water Absorption, Bulk Density,
ing Bearing Steel, Part 1
Apparent Porosity, andApparent Specific Gravity of Fired
5401 Rolling Bearings; Balls of Through-Hardening Roll-
Whiteware Products
ing Bearing Steel, Part 2
C1161 Test Method for Flexural Strength of Advanced
2.7 ISO Standards:
Ceramics at Ambient Temperature
3290 Rolling Bearings, Bearing Parts, Balls for Rolling
C1198 Test Method for Dynamic Young’s Modulus, Shear
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Bearings
Modulus, and Poisson’s Ratio for Advanced Ceramics by
4505 Hardmetals—Metallographic Determination of Poros-
Sonic Resonance
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ity and Uncombined Carbon
C1239 Practice for Reporting Uniaxial Strength Data and
2.8 JIS Standards:
Estimating Weibull Distribution Parameters for Advanced
R 1601 Testing Method for Flexural Strength (Modulus of
Ceramics
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Rupture) of High Performance Ceramics
C1327 Test Method for Vickers Indentation Hardness of
Advanced Ceramics
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ApplicationforcopiesshouldbeaddressedtotheAmericanNationalStandards
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ThisspecificationisunderthejurisdictionofASTMCommitteeF34onRolling Institute, 25 West 43rd Street, 4th Floor, New York, NY 10036.
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Element Bearings and is the direct responsibility of Subcommittee F34.01 on Application for copies should be addressed to theAmerican Bearing Manufac-
Rolling Element. turer’sAssociation, 1200 19th Street NW, Suite 300, Washington, DC 20036-2401.
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Current edition approved Nov. 1, 2006. Published December 2006. Originally Application for copies should be addressed to the American Society of
approved in 2001. Last previous edition approved in 2003 as F2094–03a. DOI: Mechanical Engineers, 345 East Street, New York, NY 10017.
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10.1520/F2094-06E01. Application for copies should be addressed to the Deutsches Institut Für
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Normung (German Standards Institute), Burggrafenstrasse 6, D1078 Berlin, Ger-
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM many.
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Standards volume information, refer to the standard’s Document Summary page on Application for copies should be addressed to the Japanese StandardsAssocia-
the ASTM website. tion, 1-24 Akasaka 4 chome, Minato-ku, Tokyo. 107 Japan.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F2094 – 06
R 1602 Testing Method for Elastic Modulus of High Per- nated by a grade number followed by the letter “C” indicating
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formance Ceramics Silicon Nitride Ceramic.
R 1603 Methods for Chemical Analysis of Fine Silicon 3.1.5 blank lot—single group of same-sized ball blanks
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Nitride Powders for Fine Ce
...