1)indentation size effect压痕尺寸效应
1.To investigate the hardness indentation size effect (ISE) phenomenon,combining the nano-indentation technique and atomic force microscopy,load-depth curves and indentation images were obtained,and the plastic work in indentation process,max indentation depth,plastic deformation area and plastic deformation volume were calculated from these curves and images.针对硬度测试中出现的压痕尺寸效应现象,采用纳米压痕技术与原子力显微技术相结合,得到压痕过程中的载荷与压深加载卸载曲线和压痕三维图,从中可以得到压痕过程中压头所做的塑性功、最大压深、塑性变形面积、塑性变形体积等,并以此为变量提出了一个基于能量平衡方法的改进模型,此模型能更好地解释压痕尺寸效应。
2.The initial plastic deformation of single crystal aluminium was simulated to study the indentation size effect in the nanoindentation test by using quasicontinuum method.针对薄膜材料在纳米压痕试验时出现的压痕尺寸效应,运用准连续介质法模拟单晶铝膜纳米压痕试验初始塑性变形过程。
3.Tests performed using a Knoop indenter geometry reveal that there is an indentation size effect (ISE), namely that the apparent microhardness decrease significantly with increasing indentation test load.测试结果表明,热障涂层系统的显微硬度存在压痕尺寸效应,即表观显微硬度随施压载荷的增加而显著降低。
英文短句/例句
1.Study on Fretting Behavior of Surface-Modified NiTi Alloy and Nano-Indentation Size Effect of Iron;表面改性镍钛合金的微动性能与纯铁纳米压痕尺寸效应研究
2.Study on Mechanical Properties and Size Effects of Lead-Free BGA Solder Joint by Nanoindentation;基于纳米压痕法的无铅BGA焊点力学性能及其尺寸效应研究
3.RESEARCH ON INDENTATION SIZE AND PLASTIC PILE-UP AFFECTED BY RESIDUAL STRESS残余应力影响压痕尺寸和隆起量的研究
4.Research on Micro-extrusion Forming of H62 and Its Size Effects;H62黄铜微挤压成形及其尺寸效应研究
5.SIZE EFFECT ON THE BUCKLING LOADS OF SLENDER COLUMNS BASED ON A MODIFIED COUPLE STRESS THEORY基于偶应力理论的压杆屈曲载荷的尺寸效应
6.Size effects on the structure transformation and band gaps of ZnO nanowires under high pressure高压下ZnO纳米线的结构相变和能带的尺寸效应
7.Size effect in axially loaded reinforced concrete columns confined by BFRP sheetsBFRP约束钢筋混凝土轴压圆柱的尺寸效应研究
8.The Size Effect of Axial Compressive Column Strengthened by CFRP尺寸效应对碳纤维加固轴心受压柱的影响
9.NUMERICAL ANALYSIS FOR SIZE EFFECT OF STRATIFIED ROCK MASS UNDER COMPRESSION层状岩体压缩强度尺寸效应的数值分析
10.Size and boundary effect on interfacial strength of RCC with pre-embedded crack带裂纹碾压混凝土层面强度尺寸和边界效应
11.Present Situation and Developmental Tendency of ball-pressure test indentation size Measurement球压试验压痕尺寸的测量技术现状及发展趋势
12.Influence of gas pressure on compressive strength size effect of inhomogenous coal瓦斯压力对非均质煤岩抗压强度尺寸效应的影响
13.Discrete Dislocation Studies on Several Topics Associated with the Micro-indentation Size Effects微压痕尺度效应中几个问题的离散位错模拟研究
14.The Study on Size Effect of Mechanical Behavior of BFRP Reinforced Concrete ColumnBFRP加固钢筋混凝土混凝土圆柱轴压力学性能尺寸效应研究
15.Study on Preparation and Size Effect of Fine Grain High Temperature BiScO_3-PbTiO_3 Ceramic高温细晶压电陶瓷钪酸铋钛酸铅的制备及尺寸效应研究
16.Size-dependent nonlinear post-peak stress-strain curve of normal concrete in uniaxial compression单轴压缩条件下普通混凝土柱的峰后非线性尺寸效应
17.Analysis of the size effect of crack generation in the large-scale KDP crystals during its growth大尺寸KDP晶体生长开裂的尺度效应分析
18.FEA of Double-row Piles Considering the Dimension Effects;考虑尺寸效应的双排桩的有限元分析
相关短句/例句
indentation size压痕尺寸
1.Present Situation and Developmental Tendency of ball-pressure test indentation size Measurement球压试验压痕尺寸的测量技术现状及发展趋势
3)indentation size effect压痕尺度效应
4)Size and interface effect尺寸和压力效应
5)size effects尺寸效应
1.The results show that the tension properties of silicon nano-rods are similar to that of macroscopic brittle material:there are no linear elastic stages and ductile yield stages; The influence of size effects is observed: The Young’s modulus and tensile strength for silicon nano-rods found increa.采用Stillinger-Weber(SW)势函数描述硅纳米杆中硅原子间的相互作用,通过分子动力学方法对几种硅纳米杆进行轴向拉伸研究,发现硅纳米杆拉伸时表现出来的特性与宏观脆性材料基本一致:拉伸曲线没有明显的直线部分和屈服变形部分;进一步研究发现硅纳米杆的杨氏模量和强度极限随着尺寸增大而增大,尺寸效应随尺寸增大而逐渐减弱。
2.Experimental results show that there is an obvious small size effects of nano-cnystalline.实验结果表明纳米晶粒子存在明显的小尺寸效应。
3.However,the size effects of test values are to be solved.测试结果表明:前者比后者在防止过载,避免裂纹扩展偏斜,考虑非线性修正等方面有若干优点,但测试值的尺寸效应尚有待解决。
6)size effect尺寸效应
1.Modification of size effect formula of fracture toughness of concrete for three-point bending specimens;三点弯曲试件混凝土K_(IC)尺寸效应公式的修正
2.Study on size effect of melting temperature of Pb nanowires;铅纳米线熔化温度的尺寸效应研究
3.Hardness indentation size effect of KDP crystals for ultra-precision machining surface;KDP晶体超精密加工表面硬度压痕尺寸效应研究
延伸阅读
动压与超压(见核爆炸冲击波效应)动压与超压(见核爆炸冲击波效应)dynamic pressure and over-pressure dongya yu ehaoya动压与超压(dynami。pressur。。nd over-pressure)见核爆炸冲击波效应。
