THIN-WALLED相关论文
Thin-walled parts are widely used in the aerospace industry owing to their light weight and high specific strength.Howev......
Propagation of combined longitudinal and torsional stress waves in a functionally graded thin-walled
An analytical model for the propagation of combined stress waves in a functionally graded thin-walled tube subjected to ......
In the manufacturing of long hollow plastic parts with closed ends,like test tubes,unevenly advancing melt front around ......
The in Vitro Degradation Study of a Braided Thin-Walled Biodegradable Ureteral StentThe in Vitro Deg
Ureteral stent is commonly used to provide urinary drainage after urological practice.The main disadvantage of conventio......
Deformation Analysis and Fixture Design of Thin-walled Cylinder in Drilling Process Based on TRIZ Th
Thin-walled cylindrical workpiece is easy to deform during machining and clamping processes due to the insufficient rigi......
研究了一种镂空薄壁环状ZTC4框架的熔模铸造工艺。铸件轮廓尺寸为φ345 mm×150 mm,最小壁厚为2.5mm,环面为菱形镂空结构。利用华......
介绍了国外冷弯型钢在低层别墅中的应用。遵循冷弯薄壁型钢结构设计规范，对一别墅进行了空间结构分析和构件设计，同时研制出一套轻型......
针对大直径薄壁辊体零件的结构特点，在切削过程中容易产生变形而影响零件的静平衡精度等问题，进行了分析和探讨，确定了加工流程，采取了......
高强度薄壁管件淬火时极易变形,淬火后因其高强度、高弹性而难以校正,如果采用模压淬火,需要制造相应模具,成本高,且不适用于科研......
针对薄壁微管拉扭试验中载荷测试的特殊需求,研制了一种基于薄梁拉—弯变形的具有对称一体化结构的高拉扭载荷比复合式传感器。采......
介绍了薄壁深孔焊接件防变形加工方法，该技术综合了焊接加工工艺、热处理加工工艺与机械加工工艺，是一种结合薄壁焊接筒件整体加工过......
江苏省镇江广播电视中心工程地下室外墙在施工初期阶段出现了较多裂缝，针对此问题，结合该工程薄壁长墙的结构特点，以局部混凝土结构前......
介绍一种薄壁斜环型槽外筒的加工工艺方法,突破传统加工工艺,严格控制各种工艺参数,车铣三轴粗铣削加工和五轴半精加工,待零件热处......
This paper re-evaluates recently published quasi-static tests on laser-welded thin-walled steel structures in order to d......
Metal sheet spinning is an advanced near-net forming technology for the manufacture of thin-walled ellipsoidal heads.The......
结合宜万铁路马水河大桥薄壁高墩工程实例,对混凝土温度控制及薄壁高墩施工测量监控,成功地降低温度场和结构应力对高墩的影响,防......
针对薄壁结构石墨电极的结构特殊性，对将Powermill软件应用于典型薄壁结构石墨电极高速铣削的刀具路径策略、刀具的切入／切出方式以......
考虑了水分对混凝土热工参数的影响,采用有限元法编制了计算火灾下带肋薄壁方钢管混凝土柱截面温度场的程序,计算结果得到了以往实......
冷弯型钢是一种截面形状合理、力学性能良好、钢材利用率高的环保型建材。本文详细阐述了冷弯薄壁构件特有的失稳模式：畸变屈曲和腹......
介绍了复杂环境下薄壁密配筋混凝土结构的伞形水塔的控制爆破拆除。论述了对该种类型进行爆破拆除的方法,爆破参数,爆破切口高度计......
提出了一种采用管材液压胀形（THB）来构建管材流动应力方程的方法．基于薄壁管材在液压胀形中的试验数据，用曲线拟合方法、塑性薄膜理论......
着重分析了某产品薄壁变截面壳体旋压加工的工艺性，经过对旋压工艺参数的摸索和验证试验，成功完成了旋压工艺研究，验证了旋压加工的工......
目的掌握大直径薄壁铝合金封头剪切旋压成形过程中不贴模、局部隆起、局部减薄等缺陷的形成机理。方法基于ABAQUS/Explicit软件平......
For the static analysis of the sinking stage curved beam, a finite difference model was presented based on the proposed ......
In order to investigate the energy absorption characteristics of multi-cell polygonal tubes with different cross-section......
Novel approach for analysis of deformation behavior of thin-walled tube in free hydro-bulging proces
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摘要：本文以厦门某工程为背景，讨论了工程中薄壁钢管混凝土柱顶节点和柱脚节点的制作方法，并采用MIDAS CIVIL软件对柱身进行地震作用......
基于变分法的最小势能原理，应用弹性地基梁比拟法得出箱梁截面畸变角的微分方程，推导出了畸变角的解及畸变翘曲正应力，并通过曲线箱梁......
分析了国内外有关薄壁件铣削加工力学模型、动态特性及加工变形的研究现状;在已有文献基础上建立了侧壁铣削加工动力学分析有限元......
着重讨论薄膜和薄壁管材挤出加工中常见的影响聚烯烃制品外观的凝胶粒子问题,从聚合、树脂加工等方面进行分析并提出相应的解决方......
为了实现薄壁圆筒塑件粗纱管的经济模具设计,采用了大流道侧浇口、圆锥形导柱定位、活动型腔、人工脱模的方式进行设计。简化了模......
High frequency shock load is often generated during pyrotechnic device working,which is detrimental to spacecraft struct......
A method of localization is proposed to lower the high order of equations in FEM calcula-tion for the stability of a com......
The incremental constitutive relation and governing equations with combined stresses for phase transition wave propagati......
对冷弯薄壁型钢构件的畸变屈曲模式进行了较全面的综述。介绍并分析了畸变屈曲的特点和性能；总结了国内外畸变屈曲试验和理论方面的......
通过对冷弯薄壁槽形檩条弯扭作用下截面各点应力的分析，并把理论计算结果与规范公式计算结果进行了对比，得到规范中正应力计算公式与......
建立一个非线性有限元模型研究中空管以及混凝土填充纤维复合管的抗弯性能。考虑材料和几何非线性并检验薄壁空管的局部屈曲性能。......
某场馆工程采用大跨度空间异型弯扭结构体系,其外网格钢结构多为异型薄壁弯扭构件。通过大量数值模拟分析及方案论证,对其外网格钢......
分析某一薄壁深腔零件的结构特点，针对其整体加工效率低、易变形等问题,从中间段拆掉盖板，分成底部件和顶板。阐述加工过程的工艺控......
开展TC4钛合金小曲率薄壁筒形件冷滚弯成形数值模拟研究，建立了TC4钛合金薄板冷滚弯成形三维有限元模型，通过工艺试验，验证了模型的可......
大锥度铝罐是指铝罐口部半锥角大于40°．根据大锥度铝罐成形特点，提出了以多道次圆弧缩口和滚压加工相结合的成形工艺，开发了与工......
This paper discusses the stresses developed in a thin-walled pressure vessels. Pressure vessels (cylindrical or spherica......
某型轿车前桥由多段曲面薄壁结构焊接而成,由于承力要求其上分布各种加强筋和连接孔等要素,在中等批量制造时必须经过多道工序的周......
Thin-walled structures have been widely used in the aerospace industry.The dynamic interaction between the milling cutte......
Hydrodynamic Study on Energy Capturing Performance of Horizontal Axis Blades Under Sub-Low Speed Tid
The research on the hydrodynamics of blades is mainly focused on sea areas with high-speed current.However,the average v......
Residual Stress Relaxation of Thin‑walled Long Stringer Made of Aluminum Alloy 7050‑T7451 under Tran
Thin-walled long stringer made of aluminum alloy 7050-T7451 is prone to deformation during transportation,so a research ......
Thin-walled parts have low stiffness characteristic. Initial residual stress of thin-walled blanks isan important influe......
Lung cancer from a focal bulla into thin-walled adenocarcinoma with ground glass opacity—an observat
BACKGROUND Thin-walled lung cancer manifests as a cystic lesion,mostly adenocarcinoma.It is often misdiagnosed as a beni......
In the structural design of the high pier,in order to analyze the strength and structure stability,the pier was often co......
本文将局部屈曲的薄壁构件等效成由若干个局部屈曲的波段在局部屈曲节平面处连接而成的梁柱构件。首先分析该波段(或短柱段)局部屈......
