rigidity modulus

Firstly, the sorts of hardness and the theory of nano indention are expatiated in detail, and several groups of nano indentation experiments are operated to the nano ZrO_2 ceramics and the elastic modulus, rigidity and load-displacement curve of nano ZrO_2 ceramics are obtained.

首先，详细地阐述了硬度的分类以及纳米压痕原理，并采用纳米压痕硬度计对纳米ZrO2陶瓷进行多组纳米压痕试验，得到了纳米ZrO2陶瓷的弹性模量、硬度值和载荷-位移曲线。

It elicits the relationship among the PU strips 'compressive strength, compressive modulus and rigidity by testing many kinds of PU strips' capability.

测试了多种PU弹垫的性能，得出PU弹垫的压缩模量、压缩强度与硬度的关系。

Carbon-fibre is utilized for it's high modulus of lightness and rigidity, whereas the polyurethane foam is utilized as a core material for its thermal and acoustic insulating properties.

它的亮度和硬度高模量碳纤维是利用，而聚氨酯泡沫是利用为核心材料的热学和声学的绝缘性能。