cold press

Production process and product quality of cold-pressed and carbonized industrial coal briquette were introduced.

介绍了冷压炭化工业型煤的生产工艺及产品质量;分析了原料煤灰分、水分、粒度、原料配比、炉温控制等型煤生产的工艺特性;针对原料煤准备不足、配煤控制性差、单回路电源引起停电事故、炭化不充分等生产中存在的问题,提出了一系列改进措施。

The samples were prepared using natural flakes graphite powder without binding by cold pressing.

采用天然鳞片石墨粉无粘结剂冷压成型为天然鳞片石墨样品,分别研究了成型压力、保压时间的变化对样品密度、孔隙度和抗折强度的影响,用三点弯曲法测试了样品的室温弯曲力学性能,并利用扫描电镜分析了样品的表面形貌以及断面形貌。

The blocks of N-type pseudo-ternary thermoelectric materials were prepared with the powders by cold-pressing and sintering methods.

在此基础上采用冷压烧结法制备了N型赝三元机械合金化冷压烧结热电材料。

Blocks of p-type pseudo-ternary thermoelectric materials were prepared with the powders by cold-pressing and sintering.

使用这种粉体制备了冷压烧结块体样品,在室温下测量了温差电动势率(α)和电导率(σ),研究了烧结温度对材料热电性能的影响,结果表明在低于300℃的烧结温区,样品室温下的热电性能随烧结温度的升高不断提高,功率因子(α2σ)由未烧结样品的0。

Aiming at the difficulty in bottom modeling of PDC bits and low efficiency,the moulds produced by cold pressing are introduced in this paper.

针对烧结式PDC钻头底模手工成型困难、生产效率低的问题,采用冷压成型法制作底模,并在实验的基础上,确定了底模的原材料配比和成型压力,为底模加工提供了一种可行的新工艺。

Optimum researches of cold pressing of Ag-clad Bi-2223 superconducting tapes fabricated by Powder-in-tube method were carried out.

采用套管法（ＰＥＴ）制备Ｂｉ系高温超导带材，进行了冷压工艺的优化研究。

The critical current density J c was relative to the temperature,pressure and to the manner of the combination of hot pressing and cold pressing of the tapes.

超导带材的Ｊｃ与热压的温度、压力、热压与冷压的结合方式等有密切的关系。

A new method for calculating cold energy,cold pressure and cohesive energy was poroposed.

给出了利用Hugoniot参数计算材料冷能、冷压和结合能的一种新方法 ,对 5 2种纯元素单质固体材料的计算表明 ,该方法的计算误差较小 ,对计算碱金属等外层电子数较少的材料效果尤佳。