strength of materials

Practice of applying " student-oriented " teaching method for the course of Strength of Materials

“学导式”教学方法在材料力学课程教学中的尝试

Two important problems i.e.using the simplest method to de-rive basic formula and using the plus assumption method in the strength of materials were discussed in this paper .

本文对用最简单的方法推导基本公式和“设正法”用于材料力学中两个重要问题提出商榷。

The minimum value determination of fatigue strength of materials using statistical analysis method

用统计分析法确定材料的最低疲劳强度

Theory of mechanical strength of materials under three-dimensional stress

三向应力状态下材料的力学强度理论

The compression strength of materials was determined by universal machine .

以万能实验机测定材料的抗压强度；

Non-Destructive Evaluation Technique and Its Applications in Developing the Mechanical Strength of Materials

无损检测评价技术及在材料机械强度开发中的应用

How do you quantify the strength of materials ?

那么你如何量化材料强度？

A Strain-gauge Method for Determining Yield Strength of Materials

测定材料屈服强度的应变计法试验研究

Strength of materials is required for building dam shell for the sake of stability .

土石坝的坝壳材料主要为了保持坝体的稳定性，一般要求有较高的强度。

But the impact strength of materials has been significantly improved with POE-g-MA introduced .

而POE-g-MA和PA6共混后，材料的冲击强度得到了明显提高。

Bricklayers have an intimate knowledge of the strength of materials .

砖瓦匠对材料强度有很多经验知识。

The flexural strength of materials reaches 100 MPa after the hydrolyzing resistance test .

经耐水解性试验后，材料的弯曲强度保持在100MPa以上。

Ultimate Strength of Materials under Multiaxial Stress

复杂应力状态下材料极限强度的计算

The strength of materials was measured by MTS.

采用MTS测定了Cu-Fe材料的强度，用四点法测定了其电阻率。

Test for local strength of materials with double-holes micro-shearing method

双孔微剪切法测定材料的局部强度

These conclusions are useful for improving the strength of materials , and also expand the application of fiber-reinforced composites .

这些结论对于提高材料的强度、扩大纤维增强复合材料的应用领域具有重要意义。

In view of the strength of materials , the operating condition and main failure mode of oil field equipment are analysed in this paper .

本文从材料强度的观点，分析了石油矿场机械的服役条件和主要失效类型。

In the present paper , a new model , a layered composite beam , is presented for determining the interface bonding strength of materials .

本文提出了一个确定层状复合材料界面结合强度的新模型，即由两种材料交替完全粘结在一起的复合梁。

From the results , it is indicated that the influences of strength of materials , steel ratio , load eccentricity are not significant .

结果表明，材料强度、构件截面含钢率、荷载偏心距对方形截面钢管混凝土柱耐火极限的影响不大；

Abstract The strength of materials are controlled by porosity , modulus of elasticity , fracture energy and critical flaw sizes .

材料的强度是受气孔率、弹性模量、断裂能和临界缺陷尺寸控制的。

Industry is currently weak for the load of wood and bamboo rattan structure , strength of materials , lacking health applications still need strengthening .

产业目前对于木竹藤制品结构荷重薄弱，材料强度不足，欠缺健康科技应用，仍须强化。

The Present article has described the dependence of sizing dimension accuracy on the density distribution of sintered compacts and the tensile strength of materials .

阐述了烧结体密度分布与精整尺寸精度的关系，材料抗拉强度与精整尺寸精度的关系；

This paper mainly presents that constructional mid-carbon alloy steel , after bulk moulding deformation , heat treatment and cold surface deformation can raise fatigue strength of materials effectively .

本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。

Research in the area of bridge design has been and still is concentrated on the study of the strength of materials and relatively few studies have been performed on traffic loads and their effects .

目前在桥涵设计的科研领域中，对材料和结构体系的研究占主导地位，而对于车辆荷载和以及车辆荷载效应的研究却相当少。

Crystallite-size and lattice strains have an immediately influence on the hardness and strength of materials , which have been important research subjects for many years in the field of materials science .

材料的品格畸变及嵌镶块尺寸与其硬度、强度等性能直接有关，多年来是材料科学的重要研究课题。

This value is used to compare the strength of materials , but a safety factor is applied when making design calculations , to bring the working stress well below the limit of proportionality .

此值被用来比较材料的强度，但是当设计计算时，要用一个安全系数，使工作应力低于比例限制。

Considering from economic benefit and strength of materials ' exertion , strengthening piers with hoop stirrup not only increases the seismic ductility , but also saves strengthening investment .

从经济效益及材料强度发挥角度考虑，环向箍筋这种加固方式既可以提高墩柱的抗震延性又可以节省加固投资。

Nano-hardened surface layer and residual compressive stress play an active role to improve the fatigue strength of materials while the surface roughness and damage exhibits negative effects on the improvement of fatigue limit .

材料表面纳米硬化层和残余压应力对材料疲劳强度的提高起积极作用，而表面粗糙度和损伤对疲劳极限的提高起负面作用。

In the case of slender member and curved bar loaded with continuously distributed force the stress function can be determined by separation of variables on the basis of the solution of strength of materials .

对于窄长构件及曲杆等在连续分布载荷作用下，可以在材料力学初等解的基础上应用分离变量法来确定应力函数。

Lots of mechanical component accidents frequently happened because of fatigue crack , so it is important and necessary to study the fatigue strength of materials for improving the safety and fatigue-life of mechanical components .

机械构件因疲劳破坏而屡屡发生事故，因而研究材料的疲劳强度以提高机械构件的使用寿命及其使用可靠性有着重要意义。