four-point bend test, four-point bending test, 4-point bend test
mehaaniline katse/teim, mille korral kahel toel asetsevat katsekeha/teimikut koormatakse kahes punktis mõjuva välisjõuga - neljapunktilise sümmeetrilise koormusega (vt paindekatse; vrd 3-punkti paindekatse), a test method to measure the bending properties of materials in which a simple beam is subjected to four-point symmetrical loading (see: bend test; compare: three-point bend test)
