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Gradient Nanostructured Materials Induced by Ultrasonic Surface Rolling Process
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1.Science and Technology on Surface Physics and Chemistry Laboratory, Mianyang 621908, China;2.Institute of Materials, China Academy of Engineering Physics, Mianyang 621907, China

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National Natural Science Foundation of China (U1630250); China Academy of Engineering Physics Research Fund (TA030202)

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    Abstract:

    The application of ultrasonic surface rolling process (USRP) to obtain gradient nanostructured materials is presented with comprehensive researches. Concept and description of USRP treatment which has been proved to be able to create gradient nanostructured layers and induce residual compressive stress were depicted. Meanwhile, the microstructural evolutions and surface characteristics which critically depend on processing regimes were discussed. On this basis, it is found that the improvement of mechanical properties, i.e. hardness, strength, wear and fatigue performances, is obtained by USRP treatment while the corrosion/oxidation behavior depends on the composition and structure, surface integrity and stress, solution and service environment. In addition, some possible addresses for future research in this field were drawn and underlined.

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[Chen Daoming, Liu Jingyuan, Chen Dehua, Su Bin, Liu Kezhao. Gradient Nanostructured Materials Induced by Ultrasonic Surface Rolling Process[J]. Rare Metal Materials and Engineering,2021,50(10):3562~3576.]
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History
  • Received:August 12,2020
  • Revised:August 28,2020
  • Adopted:September 21,2020
  • Online: October 28,2021
  • Published: October 25,2021