High Cycle Fatigue Behavior of IC10 Single Crystal Superalloy at Room Temperature and 750℃

doi:10.16615/j.cnki.1674-8190.2017.04.018

Home > Archive>Volume 8, Issue 4, 2017 >486-490. DOI:10.16615/j.cnki.1674-8190.2017.04.018

High Cycle Fatigue Behavior of IC10 Single Crystal Superalloy at Room Temperature and 750℃
DOI:
                        10.16615/j.cnki.1674-8190.2017.04.018
                    
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Affiliation:The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials,The Key Laboratory of Advanced High Temperature Structural Materials,Beijing Institute of Aeronautical Materials
Clc Number:TG132.3+2
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Abstract:

The high cycle fatigue properties of single crystal IC10 superalloy were investigated at room temperature and 750℃ in ambient atmosphere. The high cycle fatigue strengths of single crystal IC10 was 288Mpa at room temperature and 416Mpa at 750℃ with ratio of stress R=-1 and loading frequency 83.3Hz. The fatigue facture surface morphology was observed by SEM, and the fatigue cracks were found mainly originate from defects on surface or subsurface of specimen. The fatigue fractures were composed of fatigue source, fatigue district and final stage. The internal mechanism of the high cycle fatigue properties of IC10 single crystal superalloy at room temperature and 750 ℃ was discussed based on the observation.

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ZHANG Shuaiqi, WANG Shuai, ZONG Cui, CHEN Shengping, ZHANG Qiang, TAN Yongning. High Cycle Fatigue Behavior of IC10 Single Crystal Superalloy at Room Temperature and 750℃[J]. Advances in Aeronautical Science and Engineering,2017,8(4):486-490

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Received:July 25,2017
Revised:September 18,2017
Adopted:September 21,2017
Online: November 21,2017
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