The Analysis of Creep Behavior in an Annealed Nickel Based Alloy

ผู้แต่ง

  • Panyawat WANGYAO Metallurgy and Materials Science Research Institute, Chulalongkorn University
  • Jozef ZRNIK Materials Science Dept., Faculty of Metallurgy, Technical University
  • Vladimir VRCHOVINSKY Materials Science Dept., Faculty of Metallurgy, Technical University
  • Zbysek NOVY Complete Technological Service-Forming & Heat Treatment Ltd.
  • Barbora KASANICKA Institut fur Werkstoffkunde I, Karlsruhe University

คำสำคัญ:

Nickel-base alloy, Hot working, Annealing, Microstructure evolution, and Creep

บทคัดย่อ

The study investigated the creep behaviour of a nickel based solid solution strengthened NiMoCr alloy after different applied hot working conditions. Creep tests were conducted at a stress level of 160 MPa and a temperature of 710°C. The results showed that creep characteristics, greatly depend on the initial hot working conditions (heating temperature and degree of deformation in the process) and annealing time carried out prior to creep. Failure mechanisms including crack nucleation and crack propagation strongly depended on the grain boundaries. Fine recrystallized structures had provided much less resistance to creep deformation.

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เอกสารอ้างอิง

Wangyao, P., Zrnik, J., Kvackaj.T., Kasl, J. and Novy, Z. 2001. Structure development after TMP of NiMoCr alloy, J. Acta Metall. Slova. 1 : 446-450.

Wangyao, P., Zrnik, J., Kvackaj.T., Kasl, J., Novy, Z., Kasl, J. and Vrchovinshy, V. 2000. The Structural Evolution in NiMoCr Alloy by Recrystallization after Thermomechanical Processing, Co. Mat. Tech. : 261-266.

Wangyao, P., Vrchovinsky, V., Zrnik, J. and Novy, Z. 2000. Creep Behaviour of NiMoCr alloy after Thermomechanical Processing. Co.Mat.Tech. : 255-260.

Wangyao, P., Zrnik, J., Kvackaj, T., Novy, Z., Kasl, J., Vrchovinsky, V. and Kasanicka, B. 2001. The influence of hot working on microstructure and creep deformation in nickel alloy, Constructural Materials. : 53-58.

Evangelista, E., Guardamagna, C., Kloc, L., Rosen, A. and Spigarelli, S. 1995. The role of cold working in the creep deformation of Nb stabilised stainless steel (part I, creep results & microstructure evaluation), High Temp. Mater. Processes. 14(3) : 163-172.

Evans, R. W. and Wilshire, B. 1993. Introduction to Creep. The Institute of Materials. Bournemouth, Bourne Press.

Granet, I. 1980. Modern Materials Science. Reston, Va., Reston Pub.

Sklenicka, V. 1997. High temperature intergranular damage and fracture, J. Mater. Sci. Eng. A(234-236) : 30-36.

ดาวน์โหลด

เผยแพร่แล้ว

2022-08-21

วิธีการอ้างอิง

[1]
P. WANGYAO, J. ZRNIK, V. VRCHOVINSKY, Z. NOVY, และ B. KASANICKA, “The Analysis of Creep Behavior in an Annealed Nickel Based Alloy”, J Met Mater Miner, ปี 12, ฉบับที่ 2, น. 67–73, 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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