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

Table 1

Detailed comparison of 10 μm/s data and 100 μm/s data.

Time/t	K value at 10 μm/s	K value at 100 μm/s	Relative error
0.1	227968.1	216928.8	5.1%
0.2	622540.7	682112.1	8.7%
0.3	1184720	1285293	7.8%
0.4	1781059	1946338	8.5%
0.5	2530636	2646279	4.4%
0.6	3315232	3386787	2.1%
0.7	3945132	4160789	5.2%
0.8	4806653	4944463	2.8%
0.9	5672778	5739238	1.2%
1	6677519	6554161	1.9%
1.2	8525749	8248885	3.4%
1.6	13048826	11757252	11.0%
2	18278834	15442148	18.4%
2.5	25466177	20192976	26.1%
3.2	36753000	27055366	35.8%
4	50715558	35114323	44.4%
5	69684198	45933600	51.7%
6.4	98303069	62866124	56.4%
8	1.33 E + 08	84120171	58.7%
10	1.8 E + 08	1.13 E + 08	59.5%