cracks相关论文
Effects of sintering temperature and time on defect evolution and compression properties of Ti-Al3Ti
For metal-intermetallic laminated composites,various types of defects often occur dur-ing the preparation process.This p......
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The arc erosion experiments on five kinds of silver-based contact materials, AgZnO (10), AgSnO2 (8.5) In2O3 (4), AgCdO (......
Modelling-Based Innovative Feeding Strategy for Beam Blanks Mould Casting Aimed at As-Cast Surface Q
Within a CSM–Danieli joint investigation focused on effect of casting conditions on steel quality in an industrial beam......
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为了解决激光粉末床熔化技术制备的钨材料中存在的裂纹问题,本文提出了一种通过原位反应形成亚微米尺度亚结构强化相的强化方式减......
针对激光加工陶瓷产生裂纹的问题，进行了实验研究.得出了消除加工裂纹的工艺条件，开发了一种实用的激光复合加工法.......
为研究道床裂纹对无砟轨道受力的影响,根据道床裂纹的特点,基于线弹性断裂力学理论,构造20节点六面体奇异等参单元反映裂纹尖端奇......
Samples with nodular defects grown from gold nanoparticles are prepared,and laser-induced damage tests are conducted on ......
基于连续统损坏理论的概念，为具体裂缝失败的一个新塑料损坏模型通过学习基本损坏力学被开发。二个损坏变量，为张力的损坏的张力的损......
This paper analyzes the influence of multi-defects including the initial distortions,welding residual stresses,cracks an......
钢筋混凝土T形梁桥由于造价经济、施工方便等特点,在高等级公路桥梁中普遍使用。然而,随着经济发展和交通量的增加,该桥型梁体开裂......
分析混凝土温度裂缝产生的原因,提出现场混凝土温度的控制和预防裂缝的措施.“,”This paper analyzes the cause of temperature ......
所谓钢筋混凝土是指把钢筋以合理的形成和混凝土浇筑在一起,使之形成一种全新的结构材料.混凝土构件的材料,有卵石、中砂、水泥和......
在对宝天线105隧道工程地质环境进行详细调研和对隧道裂纹长期监测的基础上,论证了105隧道围岩体是松动岩体,松动岩体长期蠕动是隧......
The gears in aero-engines perform energy and motion transfer between the High-Pressure Rotor (HPR) and accessories. Firs......
STUDY ON DYNAMIC STRESS INTENSITY FACTORS OF DISK WITH A RADIAL EDGE CRACK SUBJECTED TO EXTERNAL IMP
本文通过对荣华二采区10...
Long-term load and flexural failure experiments are carried out on two prestressed concrete (PC) simply supported box gi......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
In the preparation of surface coatings made of conductive composites consisting of conductive particulate fillers in a s......
Analysis of the cracks formation on surface of extruded magnesium rod based on numerical modeling an
To reduce the surface cracks of extrusion rod for AZ31 magnesium caused by nonho-mogeneous metal flow in extrusion proce......
砌体结构裂缝按其成因可分为受力裂缝和变形裂缝两大类,相对于受力裂缝,变形裂缝的产生机理和影响因素复杂得多,砌体结构裂缝中变......
在强震、冲击等荷载作用下混凝土重力坝易发生损伤破坏,如何有效快速地识别并定位重力坝损伤对大坝健康诊断和安全评价具有重要意......
唐钢 FTSC 薄板连铸机生产中碳硼微合金钢热轧板卷存在边部裂纹缺陷。通过对 SS400B 钢进行高温热塑性研究，发现弯曲矫直温度为750......
对车用压缩天然气钢瓶出现的裂纹进行金相分析、断口分析和能谱分析。分析结果表明,钢瓶中裂纹产生于高温下,裂纹产生之后经历了高......
Vickers indentation test,a simple method for the toughness determination,is used to test the fracture toughness of Al59C......
Influence of the Compacts Homogeneity on the Incidence of Cracks during Thermal Debinding in Ceramic
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
In this study, jet milling was used to recycle tin bronze machining chips into powder. The main purpose of this study wa......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In this paper,a numerical code,RFPA2D(rock failure process analysis),was used to simulate the initiation and propagation......
钢筋混凝土有害裂缝的存在，会降低抗渗和抗冻能力，严重影响结构物的耐久性，本文通过分析裂缝产生的各种原因及其影响因素，比较详细地阐......
本文通过对桂子湖大桥6-3#钻孔桩施工过程的分析、研究,总结出遇有溶洞及裂隙的钻孔灌注桩的施工工艺.......
随着我国工业化及城市化进程的加快，日益增多的大型工业设施及高层、超高层建筑拔地而起。它们高度越来越高，体积也越来越大，它们的基......
针对明挖基坑施工地下室墙体出现的竖向或斜向发展的裂缝,全面分析了地下室外墙出现裂缝的原因,通过计算确定出现裂缝的主要因素,......
概述了大体积混凝土裂缝的常见形式，分析了大体积混凝土裂缝的成因，并探讨了控制裂缝生成的一系列技术措施，通过措施的有效实施，取得了......
Influence of the Compacts Homogeneity on the Incidence of Cracks during Thermal Debinding in Ceramic
During thermal debinding in ceramic injection molding, the inhomogeneity of green body is a key origin of cracks. In thi......
为了探究超声导波在90°弯头所引起的模态转换对检测造成的影响，采用试验和模拟的方法来研究导波在90°弯头中的传播特性，利用周向均......
为研究纤维编织网增强混凝土(Textile reinforced concrete,简称TRC)加固偏心受压水工结构的抗裂性能,对6根偏压短柱进行试验,研究......
Paddy field is a primary agricultural landscape in the south of China and is often regarded as one of main sources emitt......
The study was conducted to investigate the N2O emissions and dissolved N2O in the leachate during the nonflooding period......
The fast multipole method was used to solve the traction boundary integral equation for 2-D crack analysis. The use of b......
STUDY ON DYNAMIC STRESS INTENSITY FACTORS OF DISK WITH A RADIAL EDGE CRACK SUBJECTED TO EXTERNAL IMP
A dynamic weight function method is presented for dynamic stress intensity factors of circular disk with a radial edge c......
The present paper focused on the detection of methanol and propanol using Pd-gate metal-oxide-semiconductor(MOS)sensor.S......
Lining craze, as a common engineering damage, affects the bearing capacity and the safety of tunnels.To improve the capa......
如今城市轨道交通发展迅速,新建线路与既有线路交叉换乘的地铁车站十分普遍。地铁交叉换乘车站新旧结构存在对接施工的情况,在交叉......
针对混凝土收缩会对混凝土结构产生裂缝危害的问题,本文对膨胀剂不同掺量后的自密实混凝土进行了力学性能方面试验研究,包括抗压强......
