Evaluation of high-temperature creep behavior in Inconel-713C nickel based superalloy considering effects of stress levels

被引：40
作者：
Azadi, Mohammad [1 ]
Azadi, Mahboobeh [2 ]
机构：
[1] Semnan Univ, Fac Mech Engn, Semnan, Iran
[2] Semnan Univ, Fac Mat & Met Engn, Semnan, Iran
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2017年 / 689卷
关键词：
High-temperature creep lifetime; Inconel-713C nickel-based superalloy; Stress level effects; Fracture surface; Carbides morphology; SINGLE-CRYSTAL SUPERALLOYS; 950; DEGREES-C; MICROSTRUCTURE; MECHANISM; DAMAGE;
D O I：
10.1016/j.msea.2017.02.066
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this article, high-temperature creep behavior of the Inconel-713C nickel-based superalloy, which has been utilized in turbine blades, has been investigated. Creep testing was carried out on standard specimens at 850 degrees C and under different stress levels. Experimental data demonstrated that the applied stress caused a reduction in the creep lifetime, as a power law. Besides, scanning electron microcopy images showed that the mentioned material had a brittle fracture with cleavage marks on the fracture surface of samples. In addition, optical microscopy images indicated the high effect of the applied stress on the carbides morphology. During higher the creep lifetime, the length of carbides increased parallel to the force direction and caused to produce the trans granular fracture. Then also, the amount of the gamma' phase enhanced in the gamma matrix, which caused to strengthen the creep resistance of the material.
引用
收藏
页码：298 / 305
页数：8
相关论文
共 25 条
[1]   Creep deformation and monotonic stress-strain behavior of Haynes alloy 556 at elevated temperatures [J].
Abu-Haiba, MS ;
Fatemi, A ;
Zoroufi, M .
JOURNAL OF MATERIALS SCIENCE, 2002, 37 (14) :2899-2907
[2]  
[Anonymous], TECHN LIT
[3]  
Bowman R., 2000, 9 INT S SUP PENNS US, P17
[4]  
Burke M.G., 1991, SPEC EMPH S SUP 718, V718, P23
[5]   Creep behaviour of as received, aged and cold worked INCONEL 617 at 850 °C and 950 °C [J].
Chomette, S. ;
Gentzbittel, J. -M. ;
Viguier, B. .
JOURNAL OF NUCLEAR MATERIALS, 2010, 399 (2-3) :266-274
[6]  
Donchie M.J., 2012, TECHNICAL REPORTS TU
[7]  
GEL M, 1980, SUPERALLOYS 1980, P205
[8]   A new low cycle fatigue criterion for isothermal and out-of-phase thermomechanical loading [J].
Gocmez, Taner ;
Awarke, Ali ;
Pischinger, Stefan .
INTERNATIONAL JOURNAL OF FATIGUE, 2010, 32 (04) :769-779
[9]   Investigation of isothermal and thermo-mechanical fatigue behavior of the nickel-base superalloy IN738LC using standardized and advanced test methods [J].
Hollaender, D. ;
Kulawinski, D. ;
Thiele, M. ;
Damm, C. ;
Henkel, S. ;
Biermann, H. ;
Gampe, U. .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2016, 670 :314-324
[10]   Microstructure and mechanical properties of cast Ni-base superalloy K44 [J].
Hou, JS ;
Guo, JT ;
Zhou, LZ ;
Yuan, C ;
Ye, HQ .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 374 (1-2) :327-334
123