Determination of Residual Stress Distributions in Polycrystalline Alumina using Fluorescence Microscopy [0.03%]
利用荧光显微镜测定多晶氧化铝残余应力分布
Chris A Michaels,Robert F Cook
Chris A Michaels
Maps of residual stress distributions arising from anisotropic thermal expansion effects in a polycrystalline alumina are generated using fluorescence microscopy. The shifts of both the R1 and R2 ruby fluorescence lines of Cr in alumina are...
George Huyang,Anne E Debertin,Jirun Sun
George Huyang
The purpose of this project is to design and develop a clinically applicable self-healing dental composite (SHDC). The value of resin-based dental restorations could be improved by increasing their service lives. One way to improve longevit...
Approach and issues relating to shield material design to protect astronauts from space radiation [0.03%]
载人深空探测用防护材料的设计方法及存在的问题研究进展
J W Wilson,F A Cucinotta,J Miller et al.
J W Wilson et al.
One major obstacle to human space exploration is the possible limitations imposed by the adverse effects of long-term exposure to the space environment. Even before human spaceflight began, the potentially brief exposure of astronauts to th...