cracki相关论文
The intrinsic relationships between energy dissipation,energy release,strength and abrupt structural failure are key to ......
Fracture toughness determines materials’ resistance to fracture, which is measured often using impact or bending tests.......
The California Department of Transportation(Caltrans) has been using scrap tire rubber in asphalt pavements since the 19......
1 Introduction In recent years the requirements for environmental protection have been increasingly rigorous. At the sa......
The CGP series FCC catalysts for manufacture of clean gasoline and propylene and the catalyst RSC-2006 for processing in......
Nickel-based composite coatings reinforced by in situ synthesized TiB2 and WC particles were deposited on stainless stee......
The microstructure of an AA 7B04 alloy in the form of plate was investigated using differential scanning calorimetry(DSC......
Enhancing ductility of the Al-Si coating on hot stamping steel by controlling the Fe-Al phase transf
In this study,austenitizing heat treatment before hot stamping of Al-10%Si coated boron steel is first investigated thro......
In this paper,we analyse a new chaos-based cryptosystem with an embedded adaptive arithmetic coder,which was proposed by......
The susceptibilities of the three aluminum alloys to solidification crack were studied with trans-varestraint tests and ......
在对12Cr1MoVG高温过热器管排产前试件进行水压试验的过程中,管壁开裂发生泄漏,通过宏观检验、金相分析、断口分析、显微硬度检测,......
We investigated the effect of nanosized NbC precipitates on hydrogen-induced cracking(HIC)of high-strength low-alloy ste......
针对CRTSⅡ型板式无砟轨道底座板钢板连接器后浇带或剪力齿槽后浇带容易出现开裂或离缝问题,通过室内试验与现场验证,从优化混凝土......
介绍SA302Gr.C钢的材料性能，通过对该材料进行焊接试验和焊接工艺评定试验，确定了SA302Cr.C的焊接预热温度和工艺参数，为生产的顺利进......
通过显微镜观察、蠕变量测定、凝胶含量测定、表面全反射红外光谱分析的手段研究了高密度聚乙烯（HDPE）的应力-光氧老化开裂行为.实验......
基于化学探测法检测聚碳酸酯（PC）制品残余应力的原理,为确定退火后PC试件的环境应力开裂时间,开展了一系列化学溶液浸渍-四点弯曲应......
针对某电厂1号炉朱级过热器、术级再热器穿顶棚密封部位开裂问题进行了现场检验，对顶棚密封处结构进行了各种工况下的受力分析和计......
利用小型固定流化床实验装置,对C4烃类在催化裂化催化剂上催化转化反应规律进行了实验研究,考察了不同反应温度及空速对C4烃类催化......
假定钢筋锈胀力呈椭圆形分布,将钢筋锈胀力分解为均匀钢筋锈胀力和偏差钢筋锈胀力,并利用弹性力学方法分别进行求解,得到相应的应......
乙烯裂解炉经多年运行,炉衬粉化严重,炉壁散热损失较大,热效率下降.通过采用在原陶纤衬里表面粘贴多晶莫来石纤维的方法,既降低了......
基于广义双剪应力强度理论，创建了一种新的三维复合型断型准则－广义双剪断裂准则。研究结果表明，该准则与一些试验结果吻合很好，它不仅......
在化学装置中钢处于湿的硫化氢环境中出现几种不同的腐蚀及发生腐蚀机理，目前常用的几种钢材在湿硫化氢环境下的试验评定方法及用材......
描述了用实验观测和分析的方法考察砂浆试样在受压过程中裂纹扩展和变形响应之间的固有关系。在压缩过程中，砂浆试样表面裂纹的图像......
