Dislocat相关论文
In order to improve the high temperature strength of tungsten, 30 vol. pct ZrC particles were added to the tungsten mat......
Experiments were conducted to evaluate the grain refinement and thermal stability of ultra-fine grained Al-4Mgalloy int......
An in-situ TiCp/Al composite was prepared by a thermal explosion/quick pressure method (TE/QP). The effect ofAl content ......
The mechanical behavior of nanoscale metallic multilayers(NMMs) has attracted much attention from both scientific and pr......
Effect of pineapple peel extract on total phospholipids and lipid peroxidation in brain tissues of r
Objective:To investigate the ability of the methanolic extract of pineapple peel to attenuate alcohol-induced changes in......
An accurate and effcient numerical method for solving the crack-crack interaction problem is presented. The method is ma......
Eight kinds of Mg-RE alloys were prepared. The distribution,evolution,and effects of RE Ce and Y in the investigated all......
Influence of interstitial content on mechanical properties of new type of near α titanium alloy at c
The influence of interstitial content on mechanical properties of a new type of near α titanium alloy(Ti-Zr-Mo-Nb-Sn) a......
Cooled in water after isothermal relaxation of deformed austenite for different times, an Nb-bearing microalloyed steel ......
The hot deformation characteristics of ductile iron are studied in the temperature range of 973 to 1273K and strain rate......
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Effect of precipitates on high-temperature strength and irradiation behavior of vanadium-based alloy
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......
Deformation Localization and Shear Fracture of a Rapidly Solidified Al-Fe-V-Si Alloy at Elevated Tem
The tensile and fatigue behavior of a dispersoid strengthened, powder metallurgy Al-Fe-V-Si alloy at ambient and elevate......
The observations of dislocations, substructures and other microstructural details were conducted mainly by means of tra......
目的:探讨自发性脱位于玻璃体腔的人工晶状体囊袋复合体经巩膜缝合固定的手术效果。方法:回顾性病例对照研究。2017-04/2019-06对......
介绍了位错晶格理论的产生与发展,对点阵模型中的P.N模型进行分析,并把位错运动所需的临界剪切应力与超声波振动仪产生的冲击力进行比......
火有虚、实之分,虚火又有阴虚、阳虚之剐。《景岳全书·虚火论》将虚火分为“阴虚有热”和“阳虚有热”两类。诸多医家分别从理......
采用TEM研究了多晶铜形变及再结晶的显微组 织特征。 结果发现: 多晶铜的形 变显微组织表现为3种不同类型, 形变显微组织与晶粒的晶......
采用TEM和XRD分析技术研究了快速凝固AZ91D镁合金的相结构及位错.实验发现,在急冷快速凝固条件下,AZ91D镁合金惯常发生的L?α-Mg+M......
目的评价经口寰枢椎复位钢板(TARP)内固定在颅底凹陷症伴寰枢椎脱位后路减压术后翻修手术中的应用价值。方法 2008年9月至2012年6月......
目的总结缝匠肌骨瓣翻转固定修复髋臼缺损治疗发育性髋脱位的初步疗效。方法 18例(20髋)髋臼严重缺损性发育性髋脱位,均行关节囊切开......
通过DMA等手段研究了Y元素对AZ91D镁合金阻尼性能的影响,并通过扫描电镜、X射线衍射、透射电镜等手段研究了不同Y含量下AZ91D合金......
采用离散的位错动力学方法。用计算机模拟循环形变单滑移取向Cu单晶中疲劳早期位错花样的形成和演化过程,并利用扫描电镜电子通道衬度......
目的探讨齿状突骨折并寰枢椎脱位的治疗方法和临床疗效。方法 2006年9月至2012年3月采取颅骨牵引、手法牵引及前路中空拉力螺钉固......
基于位错反应理论和Avrami方程,建立了包含动态应变时效影响的动态回复与动态再结晶的两阶段本构方程。采用Gleeble3500热模拟试验......
肱骨内上髁骨折是学龄期儿童较为常见的骨折,采用手法复位、石膏托外固定疗法可治愈.成年后因肘部再次受伤,致再骨折合并肘关节脱......
目的:探讨正中矢状面上S2、S1椎体前缘夹角对骨盆入口位的影响.方法:筛选出58例患者的骨盆轴向CT扫描图像作为研究对象,其中男43例,......
目的 :总结C7T1骨折脱位的临床特点,探讨其Ⅰ期前后路联合手术治疗方法。方法:对2005年1月至2010年3月期间以Ⅰ期前后路联合手术辅以......
The hot deformation of an Al-Cu-Mg alloy was studied in the two temperature ranges (room temperature-300℃ and 400℃-480......
应变控制比例及非比例载荷低周疲劳试验结果表明,非比例载荷下钛合金BT9附加强化程度很小,而疲劳寿命降低明显。采用透射电镜(TEM)对钛......
304不锈钢通过低温拉伸制得含有不同马氏体相变量的试样,由于冷加工将不可避免地导致位错密度大幅度增加,利用铁素体测量仪和透射......
低活化铁素体/马氏体(RAFM)钢被视为国际热核聚变反应堆以及聚变反应堆的第1壁候选结构材料之一,很多国家均在研究不同的RAFM钢,中国......
We analyze a large-scale molecular dynamics simulation of work hardening in a model system of a ductile solid.With tensi......
目的对全髋关节置换手术患者开展FMEA(Failure Mode and Effect Analysis,失效模式和效应分析)预防髋关节脱位。方法 58例全髋关节置......
采用缺陷选择性腐蚀法结合光学显微镜及原子力显微镜(AFM)对金属有机化合物气相外延(MOVPE)在蓝宝石图形衬底(PSS)上生长的非掺杂GaN体材......
本文报导了Ce:YAP晶体位错蚀坑的腐蚀条件;同时报导了几个主要晶面的位错蚀坑形貌,(100)面呈扁豆形,(010)面呈菱形,(101)面呈椭圆形,这些......
通过常压烧结法制备了气孔率为53.43%的多孔氮化硅预制体,并利用挤压铸造法制备双连续β-氮化硅增强铝基复合材料,并研究了热处理......
制备出摩擦电喷镀n-Al2O3/Ni镀层与电刷镀n-Al2O3/Ni镀层。用SEM、XRD和IIMT-3显微硬度计观测出摩擦和喷射使得镀层更平整、细腻,且复......
采用压缩变形试验和透射电镜组织观察方法。研究了OFHC Cu的高温变形行为和动态再结晶位错亚的组织的分布状态。结果表明:除形变条件外,初......
对细晶Ti-2Al-2.5Zr合金进行了室温/低温(77K)疲劳实验及微观组织观察.结果表明:室温低应变幅△εt/2(=0.5%,1.0%)下,合金表现为循环软化;室愠高应......