| Symbol | bT |
|---|---|
| Unit | mm |
| Attribute-ID | vdi_2230_width_of_the_interface_area |
| Numeric ID | 12122 |
| Value Type | PMTechValue |
The width of the interface area bT is used with prismatic solids to calculate the interface area Ages, the moment of gyration IBT, and finally the substitutional outside diameter of the basic solid in the interface DA.