Wear Testing of Polymeric Materials

Wear Testing of Polymeric Materials

There are several methods for wear testing polymeric materials, and the choice of method depends on the specific application and testing requirements. Here are some common methods for wear testing polymeric materials:

1. Abrasion resistance test: This test measures the ability of a polymeric material to resist wear and abrasion under a specified load and speed. The test is typically conducted using a rotating drum or wheel covered with abrasive material that rubs against the polymeric material. The weight loss or volume loss of the polymeric material is then measured to determine its abrasion resistance.

2. Taber abrasion test: This is a specific type of abrasion resistance test that uses a Taber abrasion tester, which consists of a rotating platform with a pair of abrasive wheels that rub against the surface of the polymeric material. The weight loss or volume loss of the material is then measured.

3. Scratch resistance test: This test measures the ability of a polymeric material to resist scratches or surface damage under a specified load and speed. The test is typically conducted using a diamond or other hard material that is drawn across the surface of the material, and the degree of scratching or damage is measured.

4. Sliding wear test: This test measures the resistance of a polymeric material to wear under a sliding motion, as in the case of bearings or seals. The test is typically conducted using a rotating or reciprocating tribometer, which measures the friction and wear between the polymeric material and a counter surface.

5. Three-body wear test: This test measures the resistance of a polymeric material to wear caused by the presence of particles or debris in the contact zone. The test is typically conducted using a modified ball-on-disk tribometer, where the polymeric material is subjected to sliding wear in the presence of abrasive particles.

In summary, wear testing of polymeric materials involves measuring their resistance to wear and tear under different conditions. Abrasion resistance, scratch resistance, sliding wear, and three-body wear are some common methods for wear testing polymeric materials.

Video 01:TABER Test (Abrasion Resistance)