The tungsten bronze composite material for producing an energy-saving window may be a composite material of tungsten bronze and PNIPAM hydrogel.
Water glass shell has a production history of nearly 50 years in China. After half a century of unremitting efforts of colleagues in the precision casting industry, the application and research of the water glass shell process has reached a very high level.
China's large-scale environmental rectification measures led to a rise in tungsten prices in 2017 and early 2018. As many tungsten mining companies were forced to stop production, European FOB-APT prices reached a peak of US $ 352 per metric ton in June 2018.
The main problem that may occur during the milling process is the possibility that chips may choke the tool. If a milling cutter is finally choked, it cannot carry out chips any more and the feeding force of the spindle will break it.
Forging can be divided into free forging, die forging, rolling ring, special forging.1. Free forging. Refers to the processing method of forgings that use simple universal tools or directly apply force to the billet between the upper and lower anvils of the forging equipment to deform the billet to
Non-ferrous metal industry, as an important pillar industry of national economic development, has a wide range of terminal demand. Metal products such as copper and aluminum mainly involve infrastructure real estate, automotive home appliances, power cables and other industries