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Table 1 Mechanical properties and surface roughness of the materials used in the welding experiments

From: Ultrasonic welding of magnetic hybrid material systems –316L stainless steel to Ni/Cu/Ni-coated Nd2Fe14B magnets

  Young’s modulus in GPa Yield strength in MPa Hardness HV10 Elongation to fracture in % Surface roughness Ra in μm
  [40] [40] [40]   
Nd2Fe14B 152–157 250–285 550 4% [41]
Ni/Cu/Ni 170 0.34 ± 0.08
Sm2Co17 117 110 500
316L 200 310 170 30% [40] 0.74 ± 0.05
AA 1050 70 48 20 45% [40] 0.32 ± 0.01
Ni 2.4068 190–220 90 170 40% [40] 0.26 ± 0.01