压应力

结果表明：最大压应力、最大拉应力二单位式与四单位式均位于颈周密质骨，二单位式大于四单位式，两者有显著差异性，（P＜0.001）。

The results showed : The maximum compressive and tensile stresses were located at the cervical bone around dental implant in two unit and four unit dental implants .

AlNi过渡层由陶瓷涂层到钢基体，由压应力过渡到拉应力；

The stress changed from compression stress to tensile stress with the Al / Ni adhesive coating from ceramics coating to steel base ;

单向交变拉伸应变及压应力对大鼠成骨细胞FOS蛋白表达及细胞定位的影响

Influence of Stretch Strain and Pressure on Expression of Osteoblasts ' FOS Protein

土壤-根茬复合体其抗剪强度τ与剪切面上的法向压应力σ成正比，复合体土壤凝聚力C比无根土壤增加115%～205%；内摩擦角φ增加11%～15%。

The coherence force C and the inner friction angle of composite increase 115 % - 205 % and 11 % ~ 15 % respectively more than that of no rootstalk soil .

钛离子注入后DLC膜的应力状态发生改变，由压应力转变为拉应力。

The compressive stress of DLC films is changed to tensile stress by ion implantation .

在不同砧宽比条件下，都存在着使横向应力由拉应力转变为压应力的临界料宽比（b/h）cr。

The critical value of blank width ratio when the transverse tense stress turns to compressive stress under given reduction ratio and tool width ratio is obtained too .

在青藏高原周缘地区和中国西部的大范围内，压应力P轴水平分量方位位于20～40°，形成了近NE方向的挤压应力场。

Azimuths of the horizontal component of compressive stress P-axes likely lie between 20 ° and 40 °, forming a nearly NE-directed stress field in the wide region west of the North-South Seismic Belt .

利用ANSYS软件对挤压过程进行有限元模拟，分析了静水压应力对材料致密过程的作用，为生物质成型机理的研究提供了可靠依据。

This paper uses ANSYS to simulate the biomass extrusion process and analyzes the influence of hydrostatic pressure in the process All these provide credible conditions for the study of biomass briquetting mechanism .

晶须内部及其表面存在较高的双向压应力，Al2O3基体主要承受垂直于界面的拉应力；

High compressive stresses develop in the whisker and on its surface , while the Al2O3 matrix is mainly subjected to the tensile stress perpendicular to the interface .

首先对SOFC层叠结构进行理论力学分析，粗略计算表明中间封接基体内受到～45MPa的压应力。

Theoretical analysis for SOFC stacked structure was conducted , and the results showed that the seal matrix was under compressive stress .

6次中强地震的震源机制解表明，该地区P轴方位与主压应力方向基本一致，因此该地区发生破坏性地震的可能性不大。

The focal mechanism solutions of 6 mid strong earthquakes in south Ningxia region show that the earthquakes occurred under the affect of principal compressive stress of NE , with no somewhat change in comparison with direction of principal compressive stress of regional stress field .

预压应力后张法双作用新工艺在40m跨工字梁中的应用

Two - Action New Technology of Post - Tensioned Prestressed Method Applied to Long Span I - Typed Girder of 40m

使用这个模型，我们计算了由于纳米颗粒SiC引起的在Al2O3基体颗粒边界处的平均压应力和Al2O3基体颗粒内部的平均拉应力。

Using this model , we calculated the average compressive stress on the Al2O3 grain boundaries ( GB ) and the average tensile stress within Al2O3 grains caused by the SiC nanoparticles .

异常较高值的分布与区域应力场最大主压应力方向基本一致，且发现T轴方位上时间延迟Δt＞0，P轴方位上时间延迟Δt＜0，与理论模式一致。

The distribution of high abnormal value was corresponding to the direction of maximum principal compressive stress . We also found that the time delay Δ T > 0 along T axis and Δ T < 0 along P axis , which was corresponding to the theoretical model .

表层内塑变诱生的具有高位错密度的马氏体及残余压应力是提高奥氏体不锈钢SCC抗力的两个主要因素。

In the surface strain lager the plastic induced martensite contained higher dislocation density and the compressive residual stresses are two important factors which can improve the resistance to SCC for austenite stainless steel .

结果表明，当镀液pH值为3.8~4.1和4.4~4.6时，镀层受到的内应力为压应力，而当镀液pH值为4.8~5.1时，镀层受到的内应力为拉应力。

The results show that when the pH value of plating solution is in 3.8 ~ 4.1 and 4.4 ~ 4.6 , the internal stress of the coating is compressive stress , but when the pH value is in 4.8 ~ 5.1 , it becomes tension stress .

结果表明，TiN薄膜的残余应力为压应力，本征应力为张应力，应力的大小及分布对涂层刀具的硬度和膜&基结合强度有明显影响。

Results show that the residual stress in TiN film is compressive stress , the intrinsic stress is tensile stress , and values and distributions of the stress will affect obviously the hardness , the adhesion and bond strength of coated cutting tools .

组织观察表明应力时效消除了PFZ，抑制了晶界析出相，是溶质在压应力下发生晶界非平衡偏聚所致。

TEM microstructure showed that stress aging eliminate PFZ and inhibited GBP which was due to the non-equilibrium grain boundary segregation of solutes .

例如，通过在沟道中引入适当的压应力和张应力能分别提高PMOS的空穴迁移率和NMOS的电子迁移率。

For example , the hole mobility in PMOS and the electron mobility in NMOS can be significantly enhanced by introducing appropriate compressive and tensile channel stresses , respectively .

试验研究了碳纤维布约束混凝土柱的破坏形态及轴压应力与轴向、横向应变之间的变化曲线，确定了碳纤维布的有效应变系数。探讨了FRP材料约束混凝土矩形柱的侧向约束机理；

The relationships between the axial compressive stress , axial and lateral strains of the concrete columns were analyzed , an efficiency factor of CFRP strain is proposed and the lateral confinement mechanism of FRP materials for rectangular columns is explored .

分析结果认为乌鲁木齐地区地壳整体主要受NW方向的主压应力作用，乌鲁木齐测区大部分GPS观测点以乌鲁木齐红山观测点为中心呈顺时针方向运动。

The result shows that the whole crust of the Urumqi area is mainly effected by principal compressive stress in NW direction , and the majority of GPS stations in Urumqi monitoring region are clockwise moving taking Hongshan observation station in Urumqi as center .

最大主压应力值为4052MPa，最大剪应力值为1619MPa。

The maximum principal stress is 40 52MPa . The maximum shear stress is 16 19MPa .

结果证明AT13等离子喷涂涂层残余应力分布为：陶瓷涂层部分为压应力；

The results showed that the distribution of residual stress of Al_2O_3 + 13wt % TiO_2 plasma spraying coating was : the compression stress occurred in the ceramics coating ;

压应力场下VONMISES屈服应力分布同拉应力场，但第一主应力很小，法向应力变为负值；

In the case of compress stress , the distribution of von Mises stress is the same as under the case of tensile stress , but the first major stress become smaller , and the divisor stress is of minus .

结果表明，四个区段的最大和最小主压应力轴皆水平，最大主压应力轴方位大致在N15°E至N30°E之间。

The result indicates that for the 4 segments the maximum and minimum compressive principal stress axes are all horizontal , while the maximum compressive principal stress axes take approximately the azimuths between N15 ° E to N 30 ° E.

为了恢复和提高玻璃的强度，各种玻璃增强技术应运而生，其原理都是通过预制表面压应力来抑制微裂纹受力扩展，其中离子交换法是增强3mm以下玻璃的最佳增强工艺。

In order to recover or increase glass strength , all kinds of strengthen methods came into being , one of which is ion-exchanged strengthen method that is the best method to strengthen 3-millimeter thick glass .

断块运动受统一应力场支配，早期（渐新世上新世）主压应力方向为NESW，晚期（上新世末第四纪）则转为NWSE。

Fault-block movement is controlled by the unified regional stress field . The principle compression stress direction was NE SW during the early neotectonic stage ( E_3 N_2 ) , while in the late stage ( the end of N_2 Q ) it 's become to NW SE .

在水平面内，对4个方向的试件进行声发射Kaiser效应试验，得到相应的各个方向的压应力，由此估算的水平最大和最小主应力分别为21.2MPa和12.1MPa。

In horizontal plane , for four directions rock specimen , AE Kaiser effect tests were carried out and their corresponding normal stresses were gotten . The horizontal maximum and minimum principal stresses are 21 2 MPa and 12 1 MPa respectively .

从喜马拉雅到贝加尔湖以南包括中国西部的广大范围内，主压应力P轴的水平分量位于近NE-SW方向，形成了一个广域的NE-SW方向的挤压应力场。

The horizontal components of the principal compressional stress P axes are oriented in a nearly NE - SW direction , forming a wide NE-SW compressional stress field in a wide areal extent from the Himalayas to south of Baikal Lake , including western China .

通常认为高频下制备得到的氮化硅膜呈现张应力，但是通过实验，表明即使应用高频（13.56MHz）作为激励源同样可以沉积出呈现压应力的氮化硅薄膜。

It shows that even if using the RF power ( 13.56 MHz ) as the excitation of plasma , the compressive silicon nitride film can be obtained easily .