The Application of Electron Channeling Contrast Mode to Study the Recrystallization Process in Nickel Alloy after Different Thermomechanical Processing Conditions

ผู้แต่ง

  • Panyawat WANGYAO Metallurgy and Materials Science Research Institute, Chulalongkorn University
  • Jozef ZRNIK Materials Science Dept., Faculty of Metallurgy, Technical University
  • Josef KASL Materials and Technology Research, Škoda Research Institute
  • Zbysek NOVY Complete Technological Service-Forming & Heat Treatment s.r.o.
  • Piyamanee KOMOLWIT Materials Science and Engineering Dept., School of Engineering, San Jose State University

บทคัดย่อ

This paper describes the effect of different thermomechanical processing (TMP) conditions on the evolution of the recrystallized structure of NiMoCr alloy. The hot working conditions and various heat treatment parameters were employed in order to influence the recrystallization process of the alloy. The changes in microstructure resulting from tested programs were investigated by a scanning electron microscope in electron channeling contrast mode. By applying this method, it was possible to detect and evaluate the difference between deformed and recrystallized grains in the microstructures. The results showed that the uniformity and the percentage amount of recrystallized area increases when a longer annealing time and/or higher amount of deformation during TMP were employed.

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เอกสารอ้างอิง

Hosnedl, P., Vaclav, V. and Novy, Z. 1998. Development of corrosion resistance alloy MoNiCr for molten fluoride salts (recrystallization of MoNiCr alloy), Škoda vyzkum report. : 1-10.

Newbury, D. E., Joy, D. C., Echlin, P., Fiori, C.E. and Goldstein, J. I. 1986. Electron channeling contrast in the SEM, in Advanced Scanning Electron Microscopy and X-ray Microanalysis. Plenum Press.

Robertson, V. E. Introduction to the principle of operation and applications of the scanning electron microscope and electron microprobe. Technical information from JEOL Company, U.S.A.

Evangelista, E., Mengucci, P., Bowles, J., and McQueen, H. J. 1993. Grain and subgrain structure developed by hot working in As-cast 434 stainless steel. High Temp. Mater. and Processes. 12 : 57-65.

Nový, Z., Zrnik, J., Nemecek, S., and Kasl, J. 1999. The influence of deformation condition on recrystallization behaviour of NiMoCr alloy. Physical Metallurgy and Fracture of Materials. 99 : 151-155.

Nový, Z. Nemecek, S. and Kasl, J. 1998. Recrystallization of NiMoCr alloy, Škoda vyzkum report. : 1-12.

Wangyao, P. 2002. Optimalising of the formability and high temperature properties of nickel base superalloy pre-determined for nuclear reactor. Doctoral. Dissertation, Technical University of Košice. : 83-89.

Nový, Z., Kraus, L., Kasl, J., Nemacek, S., Fiala, J., Sindler, I., and Zrnik, J. 1999. Recrystallization of NiMoCr alloy. Acta Metallurgica Slovaca. 5: 274-278.

Sakai, T. 1995. Dynamic recrystallization microstructure under hot working conditions. Advance Materials & Technologies. : 381-384.

Xu, Z. and Sakai, T. 1991. Journal of Japanese Institute of Metals. 55 : 1298.

ดาวน์โหลด

เผยแพร่แล้ว

2022-08-21

วิธีการอ้างอิง

[1]
P. WANGYAO, J. ZRNIK, J. KASL, Z. NOVY, และ P. KOMOLWIT, “The Application of Electron Channeling Contrast Mode to Study the Recrystallization Process in Nickel Alloy after Different Thermomechanical Processing Conditions”, J Met Mater Miner, ปี 12, ฉบับที่ 2, น. 51–57, ส.ค. 2022.

ฉบับ

ปีที่ 12 ฉบับที่ 2 (2003)

บท

Original Research Articles

การอนุญาต

ลิขสิทธิ์ (c) 2003 The Journal of Metals, Materials and Minerals (JMMM)

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