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Crushing Characteristics of Filament Wound Carbon Fiber/Epoxy Tube under Quasi-static Compression Condition朱锦明,LI Wenbin,YANG Guang,贾晓龙,YANG XiaopingState Key Laboratory of Organic-Inorganic...) on crushing characteristics of filament wound CFRP tube under quasi-static compression conditon. It was found that CFRP tubes sequentially showed the brittle fracturing mode, the local buckling......
Effects of Thickness on Mechanical Properties of 2D C/SiC Torque Tube赵晖,ZHANG Litong,CHEN Bo,ZHANG JiaxinScience and Technology on Thermostructure Composite Materials Laboratory, Northwestern... thickness. To characterize the density and porosity of the ceramic matrix composite(CMC) torque tube, a CT test was conducted. The archimedes drainage method was used to measure the density and porosity......
In-Situ Preparation and Thermal Shock Resistance of Mullite-Cordierite Heat Tube Material for Solar Thermal Power徐晓虹,MA Xionghua,WU Jianfeng,CHEN Ling,XU Tao,ZHANG MengqiSchool of Materials Science and Engineering, Wuhan University of Technology摘 要:In order to improve the thermal shock resistance of solar thermal heat transfer tube material, the mullite......
of Sciences摘 要:Corrosion re sistance of Zircaloy-4 alloy tube in superheated steam at 673 K/10.3 MPa is anisotropic.A part of the surface undergoes uniform... to study the formation mechanism of nodules in the cross-section(CS) of Zircaloy-4 alloy tube using the EBSD technique,while the CS perpendicular to axial direction(AD).The results reveal......
Numerical simulation of the preparation of semi-solid metal slurry with damper cooling tube methodHaoqiang Yang, Shuisheng Xie, and Lei Li State Key Laboratory for Fabrication and Processing... with rosette or globular microstructure is very important. A new ap- proach named the damper cooling tube method (DCT), to produce the semi-solid metal slurry, has been introduced. To optimize the technical......
张力减径过程管形预测的分组有限元模型臧新良1,于辉1,杜凤山1(1.河北省秦皇岛市燕山大学机械工程学院)摘 要:针对无缝钢管张力减径产品的管形问题,将张力减径过程分为机架内的轧制变形和机架间的网格再生过程,在有限元软件Marc平台上,建立了管形预测的分组有限元模型,进行三维热力耦合有限元模拟研究.结合某厂产品的轧制工艺,进行了管形模拟分析,并与实测数据进行对比,验证模型的可靠性.该模型为提高产品质量,指导工艺设计提供了研究手段.关键词:无缝钢管; 张力减径; 管形预测; 有限元模型......
Viscous Inner and Outer Pressure Forming Method of Thin-walled Tube and Its Application高铁军1,LIU Yang1,WANG Zhongjin21. Faculty of Aerospace Engineering, Shenyang Aerospace University2. School..., the limit deformation of tube part can be increased by several times. Meanwhile, the principle of viscous inner and outer pressure forming was provided, and key problems during the forming process......
and stored in the predefined array, which is a special data format provided in ANSYS. The elastic-plastic element code Ls-dyna is used to investigate the deformation process of the tube... Hai-ping, LI Chun-feng, ZHAO Zhi-heng, et al. Magnetic pressure in electromagnetic aluminum tube-compression forming [J]. Trans Nonferrous Met Soc China, 2003, 13(special 1): 165-169. [16]FENG Ci......
Deformation behaviors of 21-6-9 stainless steel tube numerical control bending under different friction conditionsFANG Jun(方军)1, LU Shi-qiang(鲁世强)2, WANG Ke-lu(王克鲁)2, YAO Zheng-jun(姚正军)1(1. Institute..., Nanchang 330063, China)Abstract:For contact dominated numerical control (NC) bending process of tube, the effect of friction on bending deformation behaviors should be focused on to achieve precision......
Determination and application of stress-based forming limit diagram in aluminum tube hydroforming ZHOU Lin (周林), XUE Ke-min (薛克敏), LI Ping (李萍) School of Materials Science and Engineering, Hefei... in tube hydroforming. The results indicate that the fracture often occurs in the transition region between corner and straight side of the tube, and the limit forming pressure is 46.4 MPa......