Research Article

Potential of New-Generation Electron Beam Technology in Interface Modification of Cold and HVOF Sprayed MCrAlY Bond Coats

Table 1

Properties of as-sprayed and EB treated samples.

Sample Thickness
(m)
Young’s modulus
(GPa)
Instrumented hardness
(GPa)
Porosity
(%)
Roughness
(, m)

CS-A 756 8008 ± 285 171 ± 14 0.13 11.7
CS-B 1197 5114 ± 239 190 ± 5 0.05 2.7
CS-C 924 5416 ± 266 206 ± 6 0.02 2.1
HVOF-A 40 8175 ± 325 174 ± 8 5.81 6.1
HVOF-B 37 6821 ± 434 184 ± 11 4.15 5.7
HVOF-C 43 4641 ± 57 186 ± 7 1.67 3.5