Purchase your copy of ASTM C – 88() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. Designation: C − 88 (Reapproved ) Standard Test Method for For referenced ASTM standards, visit the ASTM website, , or. Find the most up-to-date version of ASTM C at Engineering
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ASTM C773 – 88(2016)
This test is a measure of adtm potential load-bearing usefulness of a ceramic. The spherical surfaces shall be well lubricated, and the center of curvature shall lie on the lower face of the platen. Precision and Bias 8. These faces shall be perpendicular.
ASTM International – Laboratory Directory – University of Dayton Research Institute
C — 88 Reapproved Standard Test Method for Compressive Crushing Strength of Fired Whiteware Materials1 This standard is issued under the fixed designation C ; the number v773 following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
NOTE 1—It is desirable to include details of the origin of the specimen and subsequent treatment. Place an appropriate guard around the specimen to contain flying fragments at failure; eye protection should be used by the operator. They may be formed and matured for the purpose of compression testing, or they may be cut from matured whitew- are by sawing or coredrilling.
The ends of all specimens shall be ground or lapped to yield plane and parallel faces.
ASTM C 773 – 88
Last previous edition C — 88 Originally published as C — 74 to replace C and C C 5 compressive strength of the specimen, psi or MPa; P 5 total load on the specimen at failure, lbf or N; and A 5 calculated area of the bearing surface of the specimen, in.
Single-operator component Between-laboratory component astn. Enviado por Asfm flag Denunciar. New cushion pads shall be used for each specimen. One operator in each laboratory tested ten specimens of each material. Suitable materials for cushion pads, selected in accordance with the compressive strength range of the material being tested, are shown in the following table: A number in parentheses indicates the year of last reapproval.
It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use.
Current edition approved Sept. The compo- nents of variance for compressive strength results expressed as coefficients of variation were calculated as follows: A superscript epsilon e indicates an editorial change since the last revision or reapproval.
If the contact block is cracked during testing, it shall be replaced.
Significance and Use 3. Discard any pieces exhibiting cracks or flaws visible to the unaided eye. Ideally, ceramics should be stressed this way in use.