Study on the Testing Method of Relaxation Modulus under Spherical Indenter Loading

Table 2

Detailed comparison of 100 μm/s data and 1000 μm/s data.

Time/t	K value at 100 μm/s	K value at 1000 μm/s	Relative error
0.02	17410.92	17942.7	3.0%
0.04	53091.61	66087.86	19.7%
0.06	99727.3	117650.2	15.2%
0.08	158025.5	170811.5	7.5%
0.1	216928.8	224635.7	3.4%
0.2	682112.1	535817.4	27.3%
0.3	1285293	863086.5	48.9%
0.4	1946338	1191822	63.3%
0.5	2646279	1546146	71.2%
0.6	3386787	1918678	76.5%
0.7	4160789	2324000	79.0%
0.8	4944463	2764315	78.9%
0.9	5739238	3216274	78.4%
1	6554161	3694142	77.4%