PRE-TENSION

作品数：19被引量：43H指数：4
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Understanding deformation and fracture mechanism of Ti-55531 alloy under complex loading conditions:a case of pre-tensioned torsion
《Rare Metals》2024年第12期6673-6693,共21页Kong-Liang Hu Chao-Wen Huang Hong-Tao Zeng Jiang Yang Dan Liu Tian-Xin Li Ming-Pan Wan Yong-Qing Zhao 
financially supported by the National Natural Science Foundation of China (Nos.52061005 and 52261025);the Science and Technology Program of Guizhou Province (Nos.YQK[2023]009 and [2023]278)。
The deformation and fracture failure of aerospace structural components are primarily affected by complex loading conditions.This study aims to investigate how various pre-tension strains(0%,4%and 6%)influence the tor...
关键词：Metastableβtitanium alloy Pre-tension strain Tension and torsion composite loads Deformation behavior Fracture mechanism 
Safety Limits for Pre-Tension of Membrane Roofs on Closed Structure in Air Flow
《Applied Mathematics》2024年第11期818-827,共10页Weiju Song Heyuan Yang Heding Yu 
The stiffness required for the normal operation of membrane roof comes from the application of pre-tension. When the pre-tension is too small, it is easy to cause instability under the action of wind load, which leads...
关键词：Membrane Roof PRE-TENSION Aerodynamic Stability Critical Wind Speed 
几何非线性条件下微纳米梁型谐振器的非线性支撑损失
《Acta Mechanica Sinica》2024年第3期165-175,共11页马程中 王检耀 史柯文 孔子文 杨伟东 陈思宇 国凤林 
supported by the National Natural Science Foundation of China (Grant Nos.12102222 and 11272206).
作为微纳米机械谐振器主要的能量耗散源之一,支撑损失主要采用未考虑中面拉伸效应的线性理论进行研究.然而该理论却无法适用于大挠度非线性振动状态谐振器的支撑损失.为此,我们研究了考虑几何非线性和轴向预拉力的两端固支微梁谐振器处...
关键词：Support loss Micro/nano beam resonator Geometric nonlinearity Axial pre-tension 
Suppressing abnormal grain growth and switching precipitation behaviors in ZK60 Mg profile by inducing pre-tension被引量：1
《Journal of Materials Science & Technology》2023年第24期89-101,共13页Jianwei Tang Liang Chen Zhigang Li Biaohua Que Guoqun Zhao Cunsheng Zhang 
financially supported by the National Natural Science Foundation of China(Nos.51875317 and 52222510);the Key Research and Development Program of Shandong Province(No.2021ZLGX01).
The pre-tension was induced to suppress the abnormal grain growth(AGG)of ZK60 Mg profile during solution treatment.The effects of pre-tension on the microstructure evolution and mechanical properties were studied,and ...
关键词：Mg alloy Abnormal grain growth PRE-TENSION Microstructure Mechanical properties 
Multiscale tensegrity model for the tensile properties of DNA nanotubes
《Applied Mathematics and Mechanics(English Edition)》2023年第3期397-410,共14页Hanlin LIU Nenghui ZHANG Wei LU 
Project supported by the National Natural Science Foundation of China(Nos.12172204,11772182,11272193,and 10872121);the Program of Shanghai Municipal Education Commission(No.2019-01-07-00-09-E00018);the Natural Science Foundation of Shanghai of China(No.22Z00142)。
DNA nanotubes(DNTs)with user-defined shapes and functionalities have potential applications in many fields.So far,compared with numerous experimental studies,there have been only a handful of models on the mechanical ...
关键词：DNA nanotube(DNT) multiscale model tensegrity structure pre-tension state tensile property 
Tailoring Texture to Highly Strengthen AZ31 Alloy Plate in the Thickness Direction via Pre-tension and Rolling-Annealing
《Acta Metallurgica Sinica(English Letters)》2023年第2期266-280,共15页Tianjiao Li Jiang Zheng Lihong Xia Haoge Shou Yongfa Zhang Rong Shi Liuyong He Wenkai Li 
supported by the National Natural Science Foundation of China(Nos.51575068 and 51501023);the State Key Research and Development Program of MOST,China(No.2016627 YFB0701204);the Fundamental Research Funds for the Central Universities(No.2020CDJDPT001);the Chongqing Natural Science Foundation(Nos.cstc2018jcyjAX0364 and cstc2021jcyj-msxmX0699);the“111”Project of the Ministry of Education(No.B16007).
Conventional wrought Mg alloys,such as AZ31 and ZK60 rolled plates,usually exhibit significantly low tensile yield strength in the thickness direction.This can be attributed to the high activity of{10-12}tension twinn...
关键词：PRE-TENSION ANNEALING Tailoring texture Texture strengthening Deformation modes 
An alternative method to reduce process-induced deformation of CFRP by introducing prestresses被引量：2
《Chinese Journal of Aeronautics》2022年第8期314-323,共10页Zhendong LIU Xitao ZHENG Wenjing FAN Fei WANG Sohail AHMED Leilei YAN 
supported by the National Basic Research Program of China(No.2019283-006);Natural Science Basic Research Program of Shaanxi,China(No.2020JQ-113);Fundamental Research Funds for the Central Universities,China(No.G2019KY05106)。
Process-induced deformation is an important limiting factor to the application of high performance composite structures.An alternative method to reduce process-induced deformation is proposed by introducing prestress ...
关键词：Curing deformation PRESTRESSING PRE-TENSION Process-induced deforamtion Residual stress 
Construction Technology of Prefabricated I-beam Cast-in-place Bridge Deck by Pre-tension Broken Line Method
《外文科技期刊数据库(文摘版)工程技术》2022年第6期098-103,共6页XIAOQinguang ZHENGZhenyue 
In the construction of cast-in-place bridge deck of prefabricated I-beam by pretension folding line method, I-beam is used as the main stress support, well-shaped support is used on the inner side, triangular stable s...
关键词：pre-tension polyline method PREFABRICATED I-BEAM 
Influence of pre-tension on ballistic impact performance of multi-layer Kevlar 49 woven fabrics for gas turbine engine containment systems被引量：8
《Chinese Journal of Aeronautics》2018年第6期1273-1286,共14页Lulu LIU Zhenhua ZHAO Wei CHEN Gang LUO 
co-supported by the National Natural Science Foundation of China (No.51575262);the China Postdoctoral Science Foundation (No.2015M571754);the Aeronautical Science Foundation of China (No.2015ZB52008)
In this paper, ballistic impact tests on wrapped multi-layer Kevlar 49 woven fabric systems were carried out with a flat blade projectile to investigate the impact response during a fan blade out event. The influences...
关键词：Energy absorption FABRICS Gas turbines Impact resistance MULTI-LAYERS PRE-TENSION 
Fundamental principles of an effective reinforcing roof bolting strategy in horizontally layered roof strata and areas of potential improvement被引量：7
《International Journal of Mining Science and Technology》2018年第1期67-77,共11页Russell Frith Guy Reed Martin McKinnon 
It is arguable that the development of reinforcing roof bolting systems has largely stagnated in recent times, primarily due to the prevailing industry view that few, if any, further improvements can be made to what c...
关键词：ROOF BOLTS STRATA reinforcement Partial-encapsulation PRE-TENSION Resin mixing Improved BOLT effectiveness 
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