研究了人工林马尾松的纤维零距抗张强度、细胞壁的纵向弹性模量和硬度等力学指标。
The tensile strength, modulus of elasticity(MOE) and hardness of Pinus massoniana fibers were determined by using zero-span tension and nanoindentation technique.
利用随机介质微观力学方法对纤维大小、方向随机分布的短纤维复合材料弹性模量进行了计算。
The elastic modul of short fibre composite material whose fibres volume and direction are random distributed is calculated by means of the random medium micromechanics method.
主要研究了不同弹性模量的钢纤维、聚丙烯纤维和聚丙烯腈纤维混杂对水泥混凝土的干燥收缩性能的影响。
In this paper, the effects of the steel fibers of different elastic modules, polypropylene fibers and polyacrylonitrile fibers on the dry shrinkage of concrete are studied.
本文提出了一个计算单向纤维增强复合材料横向弹性模量和泊松系数的边界元计算模型。
This paper proposes a BEM computation model to calculate the transverse effective moduli and Poisson's ratios of unidirectional fiber reinforced composites.
微观结构的改善是石墨纤维抗拉强度和弹性模量提高的主要原因。
This contributes to the increase of tensile strength and modulus of the graphite fibers.
调查项目为胸径及容积密度、纤维长、弹性模量等材性性状。
The indexes are the wood property and character, namely, DBH, bulk density, fiber length, MOR etc.
通过湿热老化试验,研究了APMOC纤维吸湿性能、拉伸强度、断裂延长率以及弹性模量随老化时间的变化。
The changes of moisture absorption properties, tensile strength, fracture elongation and elastic modulus of APMOC fiber with aging time were investigated through the hygrothermal aging test.
研究了纤维掺量、纤维长度、水泥土的水灰比等对纤维水泥土的抗折强度,抗压强度,抗拉强度和弹性模量的影响。
The effect of the amount of fiber, the length of fiber, the ratio of water to cement on tensile strength, shear strength, compressive strength and elastic modulus was investigated.
将与曲线拐点切线和最大值水平直线交点相对应的长径比值定义为纤维临界长径比,将与此相对应的函数值定义为弹性模量临界值。
The critical aspect ratio of the fiber is defined as the crosspoint of the tangent value of the inflexion and the asymptote of the maximum elastic modulus.
对冻融循环试验结果研究,提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done.
这种方法即简便又准确地得到单向碳纤维布强度和弹性模量。
The strength and elastic modulus of unidirectional carbon-fiber fabrics can be tested precisely and easily by this method.
增加网络的结点密度和纤维的硬度都会使网络弹性模量增加。
The elastic property of the network will increase with the junction density and fiber stiffness of fiber networks. 4.
对轻骨料高强度钢纤维混凝土的抗压强度、初裂强度、弯曲强度、弹性模量和弯曲韧性指数等主要力学指标进行了试验研究。
The flexural strength, first crack strength, modulus of elasticity and flexural toughness of high-strength lightweight fiber-reinforced concrete were investigated.
方法:将碳纤维预浸织布埋入PM MA不同部位的基托内,测定并比较不同形式的碳纤维织布增强PMMA基托的弯曲强度和弹性模量。
Methods: the carbon -fiber cloth were embedded in diverse positions of the PMMA denture -base. The bending strength and the modulus of elasticity were determined and compared among them.
研究主要考虑短纤维长径比的变化对复合材料的应力传递、弹性模量以及应力应变关系曲线的影响。
The studies are focused on the stress transfer, elastic modulus and stress strain curve of the composite.
选用的塑料纤维应具有不同的极限拉应变和弹性模量,纤维可以为碳纤维、芳纶纤维、玻璃纤维等。
The plastic fiber selected has different ultimate tensile strain and elastic modulus, and the fiber can be carbon fiber, aramid fiber, glass fiber and the like.
本发明涉及具有高的抗拉强度和弹性模量的碳纤维。
The invention is directed to carbon fibers having high tensile strength and modulus of elasticity.
表层单板的纤维倾斜角对木—塑、木—纤、木—金复合材料及木塑复合层压板等木质复合材料的传声速度和动态弹性模量有显著影响。
The results were summarized as follows:(1) Grain angles of face veneer have significant effects on sound velocities and dynamic Young's moduli of WP, WF, WM and WPPW.
表层单板的纤维倾斜角对木—塑、木—纤、木—金复合材料及木塑复合层压板等木质复合材料的传声速度和动态弹性模量有显著影响。
The results were summarized as follows:(1) Grain angles of face veneer have significant effects on sound velocities and dynamic Young's moduli of WP, WF, WM and WPPW.
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