2. Referenced Documents

C730 Test Method for Knoop Indentation Hardness of Glass
C849 Test Method for Knoop Indentation Hardness of Ceramic Whitewares
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E384 Test Method for Microindentation Hardness of Materials
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E4 Practices for Force Verification of Testing Machines
CENENV843-4 Advanced Technical Ceramics, Monolithic Ceramics, Mechanical Properties at Room Temperature, Part 4: Vickers, Knoop, and Rockwell Superficial Hardness Tests
ISO9385 Glass and Glass Ceramics--Knoop Hardness Test