Patent ID: 11959881
Assignee: DONGGUAN CITY WONDERFUL CERAMICS INDUSTRIAL PARK CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 6:
7. The non-destructive testing method for the flexural strength of the fine ceramic according to claim 5, wherein the data model is σ=A·VB·RC 
A is a coefficient factor, a value range of which is e5.0−e35.0;
B is a sound wave factor, a value range of which is −3.5−0.0;
C is a resilience factor, a value range of which is 0.0-2.0;
σ is a flexural strength, a unit of which is MPa;
V is a ultrasonic velocity, a unit of which is m/s, and;
R is a resilience value.