Simultaneously, current trends of research for the mechanical properties of materials are indicated.
同时，指出了材料的力学性能研究近期动向的热点。
After quenching and tempering treatment, the mechanical properties of materials can fully meet the standards.
调质处理后，材料的力学性能完全满足标准要求。
The mechanical properties of materials obtained are distinctively different because of different molecular weight of PPG.
采用的PPG分子量不同，得到的改性材料的力学性能相差悬殊。
So the effects of these factors on mechanical properties of materials are needed to be considered in the strength calculation.
因此在强度计算时常需考虑这些因素对材料力学性能的影响。
The tensile mechanical properties of materials have a little influence on the stress and strain distributions in front of notches.
材料拉伸力学性能对缺口前端的应力、应变分布总体上影响不大。
The distribution of internal stress has large influence on mechanical properties of materials such ay strength and fracture toughness.
内应力的分布，对材料宏观力学性能如强度和断裂韧性，都将产生较大的影响。
When the load is the stress cycle, the mechanical properties of materials caused by the deterioration process is known as fatigue damage.
当荷载是循环往复应力时，引起的材料力学性能劣化过程称为疲劳损伤。
Knowledge of mechanical properties of materials is essential in order to construct a mechanically sound structure such as a bridge on the river.
而研究力学性质其本质上就是为了建造可靠的机械结构——例如河面上的桥。
Currently, the indentation test is an effective method to characterize the mechanical properties of materials such as metals, polymers and ceramics.
当前，压痕试验是测定金属、高聚物和陶瓷等材料力学特性的一种十分有效且简便的方法。
At elevated temperature, the properties of concrete structures are more complex than them at normal temperature, and the mechanical properties of materials become weak seriously.
混凝土结构的性能在高温下要比在常温下复杂得多，材料性能严重劣化，且理论分析的难度很大。
A uniaxial tensile test method for measuring mechanical properties of MEMS thin film materials is presented.
介绍了一种用于MEMS薄膜材料力学特性测试的单轴拉伸试验方法。
The selection of the sintering parameters has effect on the mechanical properties of the sintering materials to some extent.
烧结参数的选择对烧结材料的力学性能有一定的影响。
The relationship between parameter design and mechanical properties of hybrid fiber composite materials is investigated.
本文研究了混杂纤维复合材料参数设计与材料力学性能的关系。
The influence of sintering temperature and holding time on the density, micro-structure and mechanical properties of the ceramic tool materials are studied.
对烧结温度、烧结时间等工艺参数对材料力学性能、微观结构和致密度的影响进行了分析。
According to our domestic resources, the author has researched new-type kinds of steels and improved their mechanical and other properties by developing and adopting new materials and technologies.
其中包括建立符合国内资源条件的新钢种研究，以及通过研制和采用新材料和新技术等多种途径提高钢的力学性能的研完。
This dissertation aims to solve two key problems on optimizing design of mechanism and driving technique for the development of a test instrument for measuring mechanical properties of MEMS materials.
本文的研究目的是为一种MEMS材料力学性能测试仪的研制解决机构优化设计和驱动技术两大关键问题。
The research results on the mechanical properties of nanocomposites including films and bulk materials are reviewed in the present paper.
本文从薄膜和块体材料两个方面介绍了近年来有关纳米复合材料力学性能的研究成果。
The cause of the increasing mechanical properties of PP composite materials, which were strengthened and toughened with organic rigid particles and elastomer, had been investigated .
讨论了用有机刚性粒子和弹性体增强增韧改性的聚丙烯复合材料力学性能提高的原因。
The research on mechanical properties of MEMS materials is one of MEMS fundamental theoretical research fields.
MEMS材料力学性能研究是MEMS的重要基础理论研究领域之一。
Current trends of research for mechanical properties of metallic materials are described.
本文叙述了金属材料力学性能近期研究动态的某些方面。
Results indicated that the interlayer water content greatly impacted the mechanical properties of the materials.
计算结果表明，层间水分子含量对材料的力学性质有很大的影响。
It emphasizes the chemical compositions and mechanical properties of low temperature nickel steel plates, forgings and welding materials.
文中重点介绍了镍系低温钢钢板、锻件和焊接材料的化学成分和力学性能。
Therefore, it is necessary to study mechanical properties of thin film materials under different loading conditions.
因此，研究薄膜材料在不同加载条件下的力学性能十分必要。
In order to obtain the mechanical properties of MEMS materials, it is necessary to develop a test instrument, which is specially used to measure mechanical properties of MEMS materials.
为了能正确测得MEMS材料的力学性能参数，有必要研制一台MEMS材料力学性能测试仪。
The effect of preheating, test-piece thickness and coupling agents on the electric properties and the mechanical properties of the materials have been specially studied.
试验结果表明，模压前合理的预热可以显著地提高酚醛塑料的电性能及力学性能；
The effects of copper content on the physical and mechanical properties of powder metallurgy airplane brake materials were studied.
研究了大范围铜含量对粉末冶金航空刹车材料物理力学性能的影响。
In this paper, the last research progress in the mechanical properties of nanocrystalline materials and carbon nanotubes is reviewed.
综述了纳米晶体材料和纳米碳管材料的力学性能研究的最新进展。
In this paper, the last research progress in the mechanical properties of nanocrystalline materials and carbon nanotubes is reviewed.
综述了纳米晶体材料和纳米碳管材料的力学性能研究的最新进展。
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