0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Knoop test

noun

Definition

  1. A method of determining hardness from the resistance of metal to indentation by a pyramidal diamond indenter having edge angles of 172 degrees, 30 degrees, and 130 degrees.