Test for Trans-thickness Tensile Strength of Advanced Ceramics

Test for Trans-thickness Tensile Strength of Advanced Ceramics

The testing procedure typically involves the following steps:

1. Preparation of the test sample: The ceramic tube should be cut to the desired length and the ends should be carefully prepared to ensure that they are perpendicular to the axis of the tube and free from any defects or damage.

2. Mounting the sample: The tube should be mounted onto a testing fixture that will allow for the application of a tensile load along the axis of the tube. The fixture should be designed to prevent any bending or twisting of the tube during the test.

3. Applying the load: A tensile load should be applied to the sample in a slow and controlled manner until the tube fractures. The load can be applied using a mechanical testing machine or a hydraulic press.

4. Measuring the load and deformation: During the test, the load and deformation of the tube should be monitored using appropriate sensors. The axial strain can be calculated by dividing the change in the length of the tube by its original length.

5. Analysis of the results: The results of the test should be analyzed to determine the axial tensile strength, elastic modulus, and ductility of the ceramic tube, as well as any variations or anomalies in the test data. The data should be compared to the manufacturer’s specifications or industry standards to evaluate the quality of the material.

ASTM C1468-19a is a standard test method for determining the trans-thickness tensile strength of continuous fiber-reinforced advanced ceramics at ambient temperature. This test method applies to ceramic matrix composites with continuous fiber reinforcement that can be made into rectangular specimens with uniform thickness. 

The test method involves subjecting the specimen to a tensile load in a direction perpendicular to the plane of the specimen, with the load applied by a loading fixture. The specimen is loaded until failure, and the maximum load applied is recorded. 

This test method is intended to provide a standardized method for evaluating the trans-thickness tensile strength of advanced ceramic composites, which can be used for material development, quality control, and design purposes.

Video 01: ASTM D3039 Tensile Testing for Advanced Composite Materials