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# DSTR - Dry Strength (Square Bars) Test

Formula for derice pounds per square inch tensile strength:

(3 * F * S) / (2 * W * D * D)

Where F = Force in lbs necessary to break the bar
S = Span in inches
W = Width of bar at break in inches
D = Depth of bar at break in inches

### Fired strength tester

Round or square fired bars are subject to a force that tests their tensile strength. The strength can be calculated from the force and the dimensions of the cross section where the break occurred.

## Variables

FOR - Force (V)

WID - Width (V)

DEP - Depth (V)

SPAN - Span (V)

TMP - Firing Temperature (V)

VAL - Value (V)

## Related Information

Articles Simple Physical Testing of Clays Learn to test your clay bodies and clay materials and record the results in an organized way, understanding the purpose of each test and how to relate its results to changes that need to be made in process, recipe and materials. Binders for Ceramic Bodies An overview of the major types of organic and inorganic binders used in various different ceramic industries. Dry Strength (kgf/cm2) Dry Strenth (Round Bars) Fired Strength Square Bars Modulus of Rupture - Fired Body Tests Tests conducted on bodies made from materials, as opposed to the materials themselves.

By Tony Hansen

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