对泡沫塑料落锤冲击试验的解析

结合KBM法和能量法求解泡沫塑料试件受冲击的压力、变形、加载速度及应力应变关系，得到了相当准确的结果。同时，系统地阐述了粘性对泡沫塑料冲击试验的影响，为其工程应用提供了理论依据。     

基于共振法的粘弹性材料动态力学参数测试方法研究

为了验证直接测量粘弹性材料共振参数来获得材料动态力学参数的可行性,用某种试验材料对共振法测试原理对进行了试验,结果表明:共振法的测试结果与粘弹仪的测试数据吻合较好,基于共振法的测试原理是可行的.     

纳米羟基磷灰石形貌对复合材料力学强度的影响

采用不同形貌的羟基磷灰石纳米粒子与聚酸酐材料复合,研究了羟基磷灰石形貌对复合材料力学强度的影响,并用扫描电子显微镜观察了复合材料的断面形态.结果发现羟基磷灰石的形貌对材料的压缩强度和压缩弹性模量影响较大:长针状羟基磷灰石增强效果较好,所得复合材料的压缩强度可达256MPa,压缩弹性模量可达9.8GPa;片状羟基磷灰石的复合材料力学强度较差,压缩强度最高只有160Mpa,压缩弹性模量最高只有7.9GPa.     

High-Temperature Physicochemical Mechanics of Materials

We propose to regard investigations in the field of high-temperature strength of structural metals and alloys interacting with corrosive media as high-temperature physicochemical mechanics of materials (HTPCMM). The most important feature of HTPCMM is the principle of correlation between deformation processes and physicochemical phenomena, which allows one to describe the features and regularities of changes in the properties of materials under service conditions most completely and correctly. We emphasize the most important role of diffusion as a controlling factor in a metal–medium system at high temperatures. Results of analytical investigations aimed at the development and investigation of physicomathematical models of elastic and elastoviscous multicomponent solid solutions with inherent degradation processes (accumulation of damage) are presented. The fact that, as a rule, these models are constructed within the framework of continuum mechanics on the basis of principles of nonequilibrium mechanics is noted Experimental data obtained, in particular, on refractory metals and titanium interacting actively with components of a vacuum or an inert atmosphere testify to the intensification of saturation of metals by interstitial impurities under conditions of long-term loading and to significant changes in the character of their creep, namely, under the influence of oxygen diffusion the creep rate decreases as stresses increase.     

缓冲包装材料力学课程设置探究

从适应包装专业人才知识结构和能力要求、完善包装人才培养计划和包装工程专业的相关课程体系看,"缓冲包装材料力学"应是包装工程专业一门必修专业课程.从人才培养要求和课程体系完善的角度分析了开设缓冲包装材料力学课程的必要性,确立了该课程的知识体系,详细介绍了该课程相应的知识点、实验大纲及内容,推荐了该课程的教学参考书目.按照该课程设置的要求,本研究组成员经过2a的缓冲包装材料力学课程教学实践,发现该课程教学效果较好;针对在校生和就业生从课程内容新颖性、实用性和用人单位对毕业生能力满意度等方面所进行的问卷调查表明,该课程的开设对于包装工程专业课程体系的完善、学生工程能力的提高、学生就业的便利等方面具有重要意义.     

Mechanics of Time-Dependent Materials. Instructions for Authors

Mechanics of Time-Dependent Materials -     

Bioinspired Design of Dynamic Materials

An emerging approach for design of dynamic materials involves mimicking natural systems, which are adept at changing their structure and function in response to their environment. Biological systems possess a diverse range of dynamic mechanisms, including competitive ligand–protein binding, enzyme‐catalyzed remodeling, and allosteric protein conformational changes. These dynamic mechanisms are now being exploited by materials scientists and engineers to design “bioinspired” synthetic materials that undergo responsive assembly and disassembly as well as dynamic volume and shape changes. The purpose of this review is to describe recent progress in design and development of bioinspired dynamic materials, with a particular emphasis on hydrogel networks. We specifically focus on emerging approaches that use biological phenomena as an inspiration for design of materials.