Smart materials and structure have definite requirements of sensor components and driving components , for example , they can adhere well to the matrix and have higher strength , fatigue strength , more broad scope of frequency response and faster response speed , etc . piezodielectric ceramics have characteristic of easily preparing , heat - resistance , wet - resistance , high strength and broad scope of frequency response , etc . furthermore , it has piezoelectric effect and inverse piezoelectric effect , namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it 压电陶瓷能与基体材料很好结合,具有制备容易、耐热、耐湿、强度高、频响宽等特点,另外它具有正压电效应和逆压电效应,即当它受到机械力变形时,能产生电势,对它施加电压时,能改变其机械尺寸,因此它在智能材料结构中既能用作传感元件又能用作驱动元件。
It ' s a new sort of cross subject . what ' s the method of the mechano - chemistry is mainly find out the basic principle , rule and application of the physical - chemical reaction occurring to the superfine powder , in the effect of the mechanical force in all kinds of conditions . the appearing of mechano - chemistry method displays a new wide field for the processing of new materials 机械化学法的理论基础为机械化学，该学科是一门新兴的边缘和交叉性学科，主要研究各种凝聚状态下的物质因受机械力的影响而发生化学或物理化学变化的基本原理、规律及其应用，它的创建为新的化学物质和具有特定性能新材料的加工方法开辟了广阔的新领域。
Based on the principle of mechano - chemistry , the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process . the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles , and the phenomena are prick up as the action time of mechano - chemical force 依据机械化学原理利用ls一250型流能粉碎机高速旋转的动齿工作过程中产生的强烈冲击、碰撞机械力，使其作用于超细石墨及白碳黑颗粒表面，检测表明，石墨粒子表面晶格发生畸变及无定形化，且随着机械力作用时间的延长而加剧。
The results indicate that the configurations of hdtma ( superscript + ) refer to paraffin type monolayer , paraffin type bilayer and lateral bilayer , and that the configuration types decrease while the values of interlayer spaces increase with the rising of temperature and intensifying of mechanical force in different intercalation means 此外，随着处理方法中温度、机械力的由弱到强，十六烷基三甲基铵离子在蛭石层间的排布模式由多样向单一转变，插层层间距也有增大的趋势。
Based on the conditions of electromagnetics principle , of actuation effect of piezoelectric materials , of the mechanical balance equations , of the geometry equations . , of the boundary conditions of the piezoelectric active member and the application of finite element method , the dynamic equation of piezoelectric active member is formulated 本文从电磁学原理，压电方程，机械力的平衡方程和几何方程出发，利用主动构件的边界条件，用有限元方法得到了主动构件的动力学方程。
As predicted theoretically , the ps polymer spreaded over the surface of the titania particles to form composite particles with core - shell structure . the influence of ph value and non - ion surfactant in heterocoagulation was discussed . the property of the coated particles was characterized by sem , and zeta potential , particle size distribution of the particles before and after encapsulation was obtained by laser particle size analyzer 根据机械力化学的原理，采用自行制备的微米级ps和pmma (聚甲基丙稀酸甲酯)高聚物微球、金属粒子、纳米级的tio _ 2 、炉料为原料粒子，通过采用自行研制的干式冲击设备和lg搅拌磨制得以高聚物微球、金属粒子为核，纳米tio _ 2 、碳黑粒子等为包覆粒子的具有不同特殊功能的纳米微米复合粒子。
The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure , controlling heating and cooling rate , lowering welding temperature or reducing welding time as much as possible , etc . theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established , and numerical simulation of the impact process was then carried out 采取施加外部机械力、控制升降温速率以及尽量降低焊接温度或减少焊接时间(防止脆性金属间化合物的过度增长)等措施，确保了焊接接头的平整性和界面结构的完整性。建立起梯度飞片击靶的理论模型，对93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飞片的击靶过程进行了数值模拟计算。
