Approach for Obtaining Material Mechanical Properties in Local Region of Structure Based on Accurate Analysis of Micro-indentation Test

Chinese Journal of Mechanical Engineering

Table 1 Load-depth curve parameters of austenitic stainless steel and mechanical parameters with different elongations

Elongation (%)	Unloading work W_u	Total work W_t	Yield strength σ_y(MPa)	Tensile strength σ_b(MPa)	Ratio Y
0	1.52	37.88	350	1331	0.040
10	2.61	50.57	474	1362	0.052
20	4.13	62.93	596	1401	0.066
30	5.46	73.47	685	1452	0.074