superhard相关论文
The phase transformation of carbon materials under high pressure have attracted growing research interest due to the app......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
通过使用在晶体结构预测方面成熟的粒子群优化算法,提出了6种化学计量比为5∶1的氮化碳新相。采用基于密度泛函理论的第一性原理计......
After a brief introduction regarding the different approaches to superhard coatings we shall concentrate on the problem ......
本文研究了单壁(3,3)碳纳米管束在高压下的结构演变过程。在静水压40 GPa下,(3,3)碳纳米管束会直接聚合形成一种新型六方三维碳纳米管......
以三聚氰胺低温热解制备的石墨相氮化碳为前驱体,通过电弧放电法调节工作电流强度制备出不同碳氮比的石墨相氮化碳,研究了碳氮比随电......
聚晶立方氮化硼(PcBN)刀具材料不仅热稳定性好、化学惰性强,而且硬度高,是目前加工黑色金属材料以及实现加工领域的高效、高速和高精度......
The superplasticity of high strength superhard A1 alloy LC4 was improved to a great extentby modified thermomechanical t......
The recent development in the field of nanocomposite coatings with good mechanical properties is critically reviewed in ......