Research on High-cycle Fatigue Behavior of Spray Deposited SiCp/Al-20Si Composite

Abstract

Abstract: 15%(volume fraction) SiCp/Al-20Si composite and its matrix alloy is fabricated by spray deposition. The microstructures, mechanical properties, high-cycle fatigue properties and fatigue facture surfaces of composite and its matrix alloy are investigated, respectively. The results show that the high-cycle fatigue properties of SiCp/Al-20Si composite are superior, for SiC particles improve the mechanical properties of composite. Fatigue cracks initiate in the place where the primary Si fractured and the interfacial debonding between Si and matrix. For composite materials, SiC particles expanded fatigue nucleation area, improved the fatigue life of composite. The fracture of Si and the interfacial debonding including both Al/Si and Al/SiC are the principle mechanisms of the fatigue fracture of composite materials.

Key words: Fatigue, Fracture surface, Si particles, SiC particles, Spray deposited SiCp/Al-20Si composite

CLC Number:

TG111

LI Changhao;CHEN Zhenhua;CHEN Ding;LI Wei. Research on High-cycle Fatigue Behavior of Spray Deposited SiCp/Al-20Si Composite[J]. , 2012, 48(10): 40-44.

[1]	WU Jie, DANG Jiaqiang, LI Yugang, CHEN Dong, AN Qinglong, WANG Haowei, CHEN Ming. Study on Strengthening Mechanism and Anti-fatigue Performance of Stress Ultrasonic Rolling [J]. Journal of Mechanical Engineering, 2024, 60(9): 127-136.
[2]	LIANG Peng, ZHAO Wenzhuo, WU Tonghai, RAN Yi. Ultrasonic Echo Characteristics and On-machine Detection Method of Small Tooth Cracks in Generator Rotors [J]. Journal of Mechanical Engineering, 2024, 60(8): 11-21.
[3]	WU Jizhan, WEI Peitang, WU Shaojie, LIU Huaiju, ZHU Caichao. Rolling Contact Fatigue Performance Prediction and Surface Integrity Optimization of Aviation Gear Steel [J]. Journal of Mechanical Engineering, 2024, 60(8): 81-93.
[4]	DONG Qingbing, CHEN Zhuang, LUO Zhentao, ZHANG Jie, WEI Jing. Fatigue Life Prediction and Fracture Behavior Study of Fretting Interface at Three-dimensional Line Contact [J]. Journal of Mechanical Engineering, 2024, 60(8): 107-120.
[5]	YANG Siyu, XU Lianyong, ZHAO Lei, HAN Yongdian. Research on Corrosion Fatigue Performance and Fatigue Fracture Mechanism of Pre-corrosion EH36 Steel Welded Joints [J]. Journal of Mechanical Engineering, 2024, 60(8): 204-211.
[6]	ZOU Xiaolong, YANG Guangxue, ZHANG Bo, LI Guoshun, ZHANG Yichao, CHEN Can, ZHANG Shujun. Study on Dynamic Stress Characteristics of Bogie Frame of High-speed EMU [J]. Journal of Mechanical Engineering, 2024, 60(8): 212-223.
[7]	WANG Boshi, CHEN Nannan, CAI Yan, WANG Min. Low-temperature Fatigue Ductile-to-brittle Transition Behavior and Mechanism for Simulated Coarse-grained Heat-affected Zone of a High-strength Low-alloy Bainite Steel [J]. Journal of Mechanical Engineering, 2024, 60(6): 271-278.
[8]	WANG Tengfei, SUN Wenjing, ZHOU Jinsong, GONG Dao, WANG Qiushi, ZHANG Zhanfei. Research on Compiling Vibration Load Spectrum of Equipment mounted on Bogie Frame Based on Fatigue Damage Spectrum [J]. Journal of Mechanical Engineering, 2024, 60(6): 287-295.
[9]	SHI Lubing, ZHANG Zhihong, YAN Xiaoqing, TANG Weibi, PEI Bang, LIU Zhongming. Operating Load and Fatigue Life of the Rack and Pinion of Three Gorges Ship Lift [J]. Journal of Mechanical Engineering, 2024, 60(5): 119-129.
[10]	WU Jizhan, WEI Peitang, LIU Huaiju, WU Shaojie, ZHU Caichao. Study on the Correlation between Surface Integrity and Rolling Contact Fatigue Performance of Aviation Gear Steel [J]. Journal of Mechanical Engineering, 2024, 60(4): 284-295.
[11]	ZHU Haiyan, LI Jie, XIAO Qian, CHEN Daoyun. Thermal-mechanical Coupling Fatigue Analysis of High-speed Train Axle-mounted Brake Disc under Wheel-rail Excitation [J]. Journal of Mechanical Engineering, 2024, 60(4): 409-419.
[12]	LIU Huaiju, CHEN Difa, ZHU Caichao, WU Jizan, WEI Peitang. State-of-art and Trend of Gear Bending Fatigue Studies [J]. Journal of Mechanical Engineering, 2024, 60(3): 83-108.
[13]	ZHANG Wei, LI Rujun, GE Shitao, PENG Yan. Two-scale Analysis of High-cycle Fatigue Damage Based on Intrinsic Dissipation Theory [J]. Journal of Mechanical Engineering, 2024, 60(20): 120-133.
[14]	SUN Shiyong, ZHU Dianli, LI Jiaqi, FAN Junling, YANG Rui, ZHAO Yanguang. Dynamic Detection Method of Fatigue Crack Growth Based on Image Comparison [J]. Journal of Mechanical Engineering, 2024, 60(18): 24-31.
[15]	GAO Chong, DONG Lihong, WANG Haidou, LIU Bin, Lü Xiaoren. Research Progress on Fatigue Damage of Integrally Stiffened Structure [J]. Journal of Mechanical Engineering, 2024, 60(18): 116-127.

Research on High-cycle Fatigue Behavior of Spray Deposited SiCp/Al-20Si Composite

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments