Microstructure and Flow Stress of Nanoscale Cu/Nb Multilayers

Table 1

Hardness, elastic modulus, and flow stress of the CN2, CN5, and CN15 multilayers.

Sample	Hardness (GPa)	Elastic modulus (GPa)	Flow stress (GPa)
CN2	7.76±0.35	153.20±1.47	2.87
CN5	7.86±0.14	166.39±0.76	2.91
CN15	7.96±0.13	179.66±1.74	2.95