A macro-mesoscopic method for forced vibration behavior of SiCf/Ti composite cantilever beam

被引：0
作者：
Niu, Xuming [1 ]
Shi, Jiaoling [1 ]
Zhang, Fan [1 ,2 ]
Pan, Lei [1 ]
Sun, Zhigang [1 ,3 ,5 ]
Song, Yingdong [1 ,3 ,4 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Jiangsu Prov Key Lab Aerosp Power Syst, Nanjing, Peoples R China
[2] Beijing Power Machinery Inst, State Key Lab Laser Prop & Applicat, Beijing, Peoples R China
[3] Minist Ind & Informat Technol, Key Lab Aeroengine Thermal Environm & Struct, Nanjing, Peoples R China
[4] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing, Peoples R China
[5] Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Jiangsu Prov Key Lab Aerosp Power Syst, Nanjing 210016, Peoples R China
来源：
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES | 2024年 / 52卷 / 07期
关键词：
Continuous SiC fiber reinforced titanium matrix composites; forced vibration; cyclic tension-compression constitutive; shear lag model; aircraft engine; TRANSVERSE TENSILE BEHAVIOR; MATRIX COMPOSITE; FIBER; DAMAGE;
D O I：
10.1080/15397734.2023.2201347
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this article, we use a macro-mesoscopic method to analyze the forced vibration behavior of the SiCf/Ti cantilever beam. The shear-lag model was applied to determine the stress-strain relationship of SiCf/Ti composites with matrix cracking, interface debonding, wear, and failure damages under tension-compression loading. We established the cyclic tension-compression constitutive model of SiCf/Ti composites by considering the evolution laws followed by three injury patterns. From a macroscopic perspective, we use the cyclic tension-compression constitutive model to obtain the stiffness reduction at different stress levels and reduce the stiffness at different stress levels. Finally, we use Ansys software to reveal the forced vibration properties of the SiCf/Ti cantilever beam under different acceleration amplitudes.
引用
收藏
页码：3611 / 3631
页数：21
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