ASTM C1326-03 - 1.10.2003
 
1. Scope

1.1 This test method covers the determination of the Knoop indentation hardness of advanced ceramics.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

E691-23

Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

C730-98(2021)

Standard Test Method for Knoop Indentation Hardness of Glass

C849-88(2025)

Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares

E4-24

Standard Practices for Force Calibration and Verification of Testing Machines

E177-26a

Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Includes all amendments and changes 5/14/2026).

E384-22

Standard Test Method for Microindentation Hardness of Materials

CEN ENV?843-4

Advanced Technical Ceramics, Monolithic Ceramics, Mechanical Properties at Room Temperature, Part 4: Vickers, Knoop, and Rockwell Superficial Hardness Tests Available from European Committee for Standardization (CEN), 36 rue de Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.

IEEE/ASTM?SI?10

Standard for Use of the International System of Units (SI) (The Modern Metric System)