ASTM C773 PDF

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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Place an appropriate guard around the specimen to contain flying fragments at failure; eye protection should be astmm by the operator. NOTE 1—It is desirable to include details of the origin of the specimen and subsequent treatment.

If the contact block is cracked during testing, it shall be replaced. Suitable materials for cushion pads, selected in accordance with the compressive strength range of the ast being tested, are shown in the following table: Originally published as C — atm to replace C and C 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 immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

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The spherical surfaces shall be well lubricated, and the center of curvature shall lie on the lower face of the platen.

Single-operator component Between-laboratory component 1. A number in parentheses indicates the year of last reapproval. This test is a measure of the potential load-bearing usefulness of a ceramic.

Precision and Bias 8. These faces shall be perpendicular.

ASTM International – Laboratory Directory – University of Dayton Research Institute

Last previous edition C — 88 Discard any f773 exhibiting cracks or flaws visible to the unaided eye. One operator asmt each laboratory tested ten specimens of each material. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Current edition approved Sept. Significance and Use 3. 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.

The ends of all specimens shall be ground or lapped to yield plane and parallel faces. The compo- nents of variance for compressive strength results expressed as coefficients of variation were calculated as follows: 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.

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ASTM C773 – 88(2016)

New cushion pads shall be used for each specimen. Ideally, ceramics should be stressed this way in use. Enviado por Thamyres flag Denunciar. 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.

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