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鄭偉鈞

個人網站
機械工程系(所)
 
學經歷:
  學歷:
美國 卡內基-美倫大學 材料科學與工程學 博士
國立清華大學 材料科學與工程碩士

經歷:
1995~1997 台灣科技股份有限公司 研發處長


專業技術
  金屬及半導體材料之表面及介面科學
   
專利介紹
 
  高熵合金塗層的製造方法  
In this study, the adjustment of phase constitutio......
 
     
研究計畫
 

教授課程

表面科學;半導體製程;真空技術;冶金熱力學;電子顯微鏡;材料結構學;相變化

研究成果

1. W.C. Cheng, J.S. Tsay, Y.D. Yao, K.C. Lin, C.S. Yang, S.F. Lee, T.K. Tseng and H.Y. Neih,“Magnetic properties of ultrathin Co/Ge(111) and Co/Ge(100) films”, Journal of AppliedPhysics, 89 (11), pp. 7130-7132 (2001).
2. W.C. Cheng and H.Y. Lin, “The precipitation of FCC phase from BCC matrix in an Fe-Mn-Alalloy”, Materials Science & Engineering, A323, pp. 462-466 (2002), NSC 89-2216-E-011-024.
3. W.C. Cheng, H.Y. Lin and C.F. Liu, “Observingthe massive transformation in an Fe-Mn-Alalloy”, Materials Science & Engineering, A335, pp. 82-88 (2002), NSC 89-2216-E-011-024.
4. W.C. Cheng, C.F. Liu and Y.F. Lai, “Observing the D03
phase in an Fe-Mn-Al alloy”, Materials Science & Engineering, A337, pp. 281-286 (2002), NSC 89-2216-E-011-024.
5. C.C. Yu, W.C. Cheng, D.C. Chen, Y.D. Yao, Y. Liou and S.F. Lee, “Crystal structure and Magnetic properties of FCC Co films on YSZ(001) substrates”, Journal of Magnetism and Magnetic Materials, 239, pp. 323-325 (2002).
6. J.S. Tsay, Y.D. Yao, K.C. Wang, W.C. Cheng and C.S. Yang, “Effect of annealing on the magnetic properties of ultrathin Co/Ge(111) films”, Surface Science, 507-510, pp. 498-501 (2002).
7. T.M. Chuang, S.F. Lee, S.Y. Huang, Y.D. Yao, W.C. Cheng and G.R. Huang, “Anomalous magnetic moments in Co/Nb multilayers”, Journal of Magnetism and Magnetic Materials, 239, pp. 301-303 (2002).
8. C.C. Yu, S.F. Lee, Y.D. Yao, W.C. Cheng D.C. Chen and Y. Liou, “Structure and magnetic properties of Co grown on YSZ substrates”, Journal of Applied Physics, 91, pp.7197-7199 (2002).
9. J.S. Tsay, Y.D. Yao, K.C. Wang, W.C. Cheng and C.S. Yang, “Magnetic properties of ultrathin cobalt films grown on Ge(111) and Si(111) substrates”, Journal of Applied Physics, 91, pp.8766-8768 (2002).
10. J.S. Tsay, Y.D. Yao, C.S. Yang, W.C. Cheng, T.K. Tseng and K.C. Wang, “Surface magneto-optic Kerr effect study in ultrathin Co/Ge(111) and Co/Ge(100) films”, Surface Science, 513, pp. 93-97 (2002).
11. W.C. Cheng and H.Y. Lin, “The formation of austenite annealing twins from the ferrite phase during aging in an Fe-Mn-Al alloy”, Materials Science & Engineering, A341, pp. 106-111 (2003), NSC 89-2216-E-011-024.
12. W.C. Cheng, Y.C. Lin and C.F. Liu, “The fracture behaviors in an Fe-Mn-Al alloy during quenching processes”, Materials Science and Engineering, A343, pp. 28-35 (2003), NSC 89-2216-E-011-024.
13. W.C. Cheng, C.F. Liu and Y.F. Lai, “The role carbon plays in the martensitic phase transformation of an Fe-Mn-Al alloy”, Scripta Materiallia, 48, pp. 295-300 (2003), NSC 90-2216-E-011-048.
14. C.C. Yu, W.C. Cheng, W.B. Lee, S.Y. Chen, Y. Liou and Y.D. Yao, “Magnetic properties of Fe thin films on Ag submicrometer islands”, Journal of Applied Physics. 93, pp. 7468-7470 (2003).
15. T.S. Tsay, Y.D. Yao, W.C. Cheng, T.K. Tseng, K.C. Wang and C.S. Yang, “Magnetic properties influenced by interfaces in ultrathin Co/Ge(100) and Co/Ge(111) films”, Applied Surface Science, 219, pp. 88-92 (2003).
16. W.C. Cheng, J.H. Jaw and C.J. Wang, “A study of aluminum nitride in a Fe-Mn-Al alloy”, Scripta Materiallia, 51, pp. 279-283 (2004), NSC 92-2216-E-011-027.
17. J.L. Tsai, K.T. Huang, W.C. Cheng, M.D. Lee, S.U. Jen, S.F. Lee and Y.D. Yao, “Magnetic properties of Patterned Fe3O4 Films”, Journal of Magnetism and Magnetic Materials, 272, pp. 1664-1665 (2004).
18. J.S. Tsai, H.Y. Nieh, Y.D. Yao, Y.T. Chen and W.C. Cheng, “Magnetic phases of Co/Ge(111) studied using surface magneto-optic Kerr effect”, Surface Science, 566-568, pp. 226-230 (2004).
19. W.C. Cheng, J.H. Jaw and C.J. Wang, “Growing ledge structures of AlN crystals in a Fe-Mn-Al alloy”, Scripta Materiallia, 51, pp. 1141-1145 (2004), NSC 92-2216-E-011-026.
20. C.C. Yu, Y.C. Chu, F.L. Chang, D.H. Wei, S.C. Chou, Y. Liou, Y.D. Yao, W.C. Cheng and T.S. Chin, “Structure and magnetic properties of Co/Pt single- and bi-crystal multilayers”, Journal of Magnetism and Magnetic Materials, 282, pp. 65-68 (2004).
21. J.S. Tsay, Y.T. Chen, W.C. Cheng and Y.D. Yao, “Magnetic properties of interfacial layers in Co/Ge(111) thin films”, Journal of Magnetism and Magnetic Materials,282, pp. 81-83 (2004).
22. S.T. Chiou, W.C. Cheng and W.S. Lee, “The analysis of the microstructure changes of a Fe-Mn-Al alloy under dynamic impact tests”, Materials Science and Engineering A386, pp. 460-467 (2004), NSC 92-2216-E-011-027.
23. S.T. Chiou, W.C. Cheng and W.S. Lee, “Strain-rate effects on the mechanical properties of a Fe-Mn-Al alloy under dynamic impact deformations”, accepted for publication in Materials Science and Engineering A, NSC 92-2216-E-011-027.


   

 




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