Surface micro-crystalline coatings were prepared on Ni-20Cr andNi-20Cr-Ce alloys by high-energy pulse plasma treatment (HEPP). Afteroxidation at 1000 deg C in air for 200h, it was shown that bothoxidation resistance and the Cr content in the oxide scales on thesefour alloys increased in the order of Ni-20Cr展开▼