Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite
To combat the brittleness of hard nc-CrAlN/a-SiNx nanocomposite (nc-: nanocrystalline, a-: X-ray amorphous), different Ni content (from 0 to 39.8 at.%) is doped via magnetron sputtering. Glancing Angle X-ray Diffractometry, X-ray photoelectron spectroscopy, Field Emission Scanning Electron Microscop...
| Những tác giả chính: | , , , , |
|---|---|
| Tác giả khác: | |
| Định dạng: | Journal Article |
| Ngôn ngữ: | English |
| Được phát hành: |
2013
|
| Những chủ đề: | |
| Truy cập trực tuyến: | https://hdl.handle.net/10356/97702 http://hdl.handle.net/10220/17131 |
| _version_ | 1826113269868265472 |
|---|---|
| author | Wang, Yu Xi Zhang, Sam Lee, Jyh-Wei Lew, Wen Siang Li, Bo |
| author2 | School of Mechanical and Aerospace Engineering |
| author_facet | School of Mechanical and Aerospace Engineering Wang, Yu Xi Zhang, Sam Lee, Jyh-Wei Lew, Wen Siang Li, Bo |
| author_sort | Wang, Yu Xi |
| collection | NTU |
| description | To combat the brittleness of hard nc-CrAlN/a-SiNx nanocomposite (nc-: nanocrystalline, a-: X-ray amorphous), different Ni content (from 0 to 39.8 at.%) is doped via magnetron sputtering. Glancing Angle X-ray Diffractometry, X-ray photoelectron spectroscopy, Field Emission Scanning Electron Microscopy and Transmission Electron Microscopy are employed to investigate the microstructural evolution. With increased Ni, the grain size decreases accompanied with morphology change, from dense glassy to coarse columns. With 4.2 at.% Ni, scratch toughness of nc-CrAlN/a-SiNx hard nanocomposite (28 GPa) is improved by around 200% at expense of only 18% hardness. |
| first_indexed | 2024-10-01T03:20:27Z |
| format | Journal Article |
| id | ntu-10356/97702 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:20:27Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/977022020-03-07T13:19:26Z Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite Wang, Yu Xi Zhang, Sam Lee, Jyh-Wei Lew, Wen Siang Li, Bo School of Mechanical and Aerospace Engineering School of Physical and Mathematical Sciences DRNTU::Engineering::Materials::Composite materials To combat the brittleness of hard nc-CrAlN/a-SiNx nanocomposite (nc-: nanocrystalline, a-: X-ray amorphous), different Ni content (from 0 to 39.8 at.%) is doped via magnetron sputtering. Glancing Angle X-ray Diffractometry, X-ray photoelectron spectroscopy, Field Emission Scanning Electron Microscopy and Transmission Electron Microscopy are employed to investigate the microstructural evolution. With increased Ni, the grain size decreases accompanied with morphology change, from dense glassy to coarse columns. With 4.2 at.% Ni, scratch toughness of nc-CrAlN/a-SiNx hard nanocomposite (28 GPa) is improved by around 200% at expense of only 18% hardness. 2013-10-31T06:41:12Z 2019-12-06T19:45:39Z 2013-10-31T06:41:12Z 2019-12-06T19:45:39Z 2012 2012 Journal Article Wang, Y. X., Zhang, S., Lee, J. W., Lew, W. S., & Li, B. (2012). Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite. Applied surface science, 265, 418-423. 0169-4332 https://hdl.handle.net/10356/97702 http://hdl.handle.net/10220/17131 10.1016/j.apsusc.2012.11.022 en Applied surface science |
| spellingShingle | DRNTU::Engineering::Materials::Composite materials Wang, Yu Xi Zhang, Sam Lee, Jyh-Wei Lew, Wen Siang Li, Bo Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title | Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title_full | Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title_fullStr | Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title_full_unstemmed | Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title_short | Toughening effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite |
| title_sort | toughening effect of ni on nc craln a sinx hard nanocomposite |
| topic | DRNTU::Engineering::Materials::Composite materials |
| url | https://hdl.handle.net/10356/97702 http://hdl.handle.net/10220/17131 |
| work_keys_str_mv | AT wangyuxi tougheningeffectofnionnccralnasinxhardnanocomposite AT zhangsam tougheningeffectofnionnccralnasinxhardnanocomposite AT leejyhwei tougheningeffectofnionnccralnasinxhardnanocomposite AT lewwensiang tougheningeffectofnionnccralnasinxhardnanocomposite AT libo tougheningeffectofnionnccralnasinxhardnanocomposite |