ASTM B406 – Transverse Rupture Strength of Cemented Carbides

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ASTM B406 governs a test used to find the transverse rupture strength of cemented carbides. Cemented carbide is a combination of carbon and metal which is sintered together.

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ASTM B406 – Standard Test Method for Transverse Rupture Strength of Cemented Carbides

ASTM B406 Cemented Carbides Transverse Rupture Fixture

ASTM B406 governs a test used to find the transverse rupture strength of cemented carbides.

Cemented carbide is a combination of carbon and metal which is sintered together.

Sintering uses a combination of pressure and heat to fuse metal together with other materials with much higher

melting points.

Cemented Carbide is a very strong material and it is often used to craft saws, machine tool drills, and dies. While this

material is strong,

it can also be brittle, which can affect performance.

This test procedure seeks to charaterize how brittle the material is.

Geometry

This fixture and test works very similar to a guided 3 point bend test.

There are two support cylinders on the bottom which are .25″ in diameter and space .5″ apart with a center to center

spacing of .563″.

The loading nose is a .4″ diameter tungsten-carbide ball which comes down directly into the center of the specimen.

Solution

ParsRos has a specific design fro ASTM B406. The fixture can be outfitted with adapter couplings, or it can lie flat

on a pair of compression platens and be pushed together.

The adapter setup is recommended because it is safer and more stable.

This test requires load control at an increase of 1.5kN/s. ParsRos Universal Testing Machines are capable of

both closed loop load control and position control.

This test can be preprogrammed into a machine to allow for easy testing by a technician.

Analysis

The rupture strength is the most important measurement and is taken from the max load seen just before fracture or

breakage.

Similar Specifications

ASTM C1161 – Flexural Tests on Ceramics

***PARSROS offers several types of grips and fixtures which will enable you to perform a variety of tests that are accurate and repeatable.

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