Effect of precipitation aging temperatures on rejuvenation heat treated microstructures, hardness and γ' phase stability in Udimet-500

ผู้แต่ง

  • Chanon Niemkong Engineering Faculty, Kasetsart University
  • Sureerat Polsilapa Engineering Faculty, Kasetsart University
  • Panyawat Wangyao Engineering Faculty, Chulalongkorn University

บทคัดย่อ

This research has studied the effect of precipitation aging temperatures on size and area density of γ' particles of the reheat treated microstructures incast nickel basesuperalloy, grade Udimet-500. All specimens were performed the same solutioning treatment at temperature of 1,150ºC for 4 hours following with various precipitation aging temperatures of 760, 780, 800 and 820ºC for 16 hours. Furthermore, these reheat treated specimens were also performed long-term heating at temperatures of 900ºC and 1000ºC for 200 hours to evaluate γ'-phase stability. Finally, hardness measurements were also carried out. Form all obtained results, it was found that the standard precipitation aging temperature of 760ºC for 16 hours provided the most phase stability after long-term tests as well as the maximum hardness.

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เอกสารอ้างอิง

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ดาวน์โหลด

เผยแพร่แล้ว

2016-06-30

วิธีการอ้างอิง

[1]
C. Niemkong, S. Polsilapa, และ P. Wangyao, “Effect of precipitation aging temperatures on rejuvenation heat treated microstructures, hardness and γ’ phase stability in Udimet-500”, J Met Mater Miner, ปี 26, ฉบับที่ 1, มิ.ย. 2016.

ฉบับ

ปีที่ 26 ฉบับที่ 1 (2016)

บท

Original Research Articles

การอนุญาต

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