Paper Title:
Effect of Thermal Barrier Coating Layer on HIP Treated IN738LC Fatigue Characteristic
  Abstract

The fatigue characteristic of thermal barrier-coated Ni-base superalloy IN738LC at room temperature was studied by fatigue test using SEM-servo testing machine. In order to eliminate the influence of micro-shrinkage in IN738LC and purely investigate the effect of TBC on fatigue characteristic, HIP treated IN738LC was used in comparison with NON-HIP treated one. The results indicate that HIP treatment is effective to remove micro-shrinkage and fatigue life is greatly improved. The TBC coating layer is a strength member in the small test specimen at room temperature, and TBC coated material showed lower fatigue life rather than IN738LC without TBC.

  Info
Periodical
Key Engineering Materials (Volumes 306-308)
Edited by
Ichsan Setya Putra and Djoko Suharto
Pages
109-114
DOI
10.4028/www.scientific.net/KEM.306-308.109
Citation
S. Kuba, Y. Kojima, H. Suzuki, "Effect of Thermal Barrier Coating Layer on HIP Treated IN738LC Fatigue Characteristic", Key Engineering Materials, Vols. 306-308, pp. 109-114, 2006
Online since
March 2006
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Price
$32.00
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