As we all know, lightning is enormously destructive, it produces a powerful current. According to research, the most common linear lightning has a current intensity of tens of thousands to 200,000 amps. Lightning can also cause extreme high temperatures, which can easily lead to forest and house fires. Therefore, in thunderstorms, we often see some towering trees being knocked down by lightning, and some buildings were damaged by lightning. But there are also some buildings that are safe and sound.…
Tungsten Product
The darts movement does not pay attention to the venue, as long as there are darts and targets! Perhaps everyone will think that the throwing of this kind of light-weight equipment is just a matter of throwing away, and playing a small sport for leisure and entertainment. In fact, the darts movement is also a sport that is synonymous with snooker and bowling. It combines competitive, confrontational, casual and entertaining. It is a systemic exercise that is effective and comprehensive…
Lead is the earliest used fishing sink material, and the price is cheap. It is no wonder that many fishing friends used to use lead fishing pendants in the past. However, as we all know, lead is toxic and pollutes water resources. Nowadays, the whole world is promoting environmental protection. Various countries are also promoting environmental protection. They all hope that people can pay more attention to environmental protection, and people’s awareness of environmental protection and health is gradually increasing.…
When it comes to golf, the familiar people can say that the meanings and professional skills of “Birdie”, “Eagle” and “Double Eagle” are handy; for the master, they will play a straight one shot. Applying an old saying, that is, for the general, when the “green” battlefield is galloped, the four major slams will be collected. For the above, when the pride is not reduced, after a few years, you can still “laugh”. However, what is the relationship between this…
Ultrathin tungsten wire may be prepared by electrolytic method. And the ultrathin tungsten wire with a diameter of less than 7μm is the main raw material for wire array Z-pinch experiment. Ultrathin tungsten wire with a diameter of 3.0μm may be prepared by electrolytic process. The effects of electrolyte temperature, electrolyte mass fraction, electrolytic voltage and spinning ratio on the tungsten wire are studied. And scanning electron microscope, atomic force microscope and universal dynamometer are used to test the diameter,…
Tungsten stream mouth is a combination of tungsten matrix and iridium tube. Its surface is smooth without burr, crack, fold, peeling, hole and other defects. Tungsten stream mouth is mainly used as a high-temperature vessel for rare earth metal smelting, induction furnace heating element, quartz glass melting and other industries. The important indicator to indicate the service life of tungsten stream mouth is the bonding strength between tungsten matrix and iridium tube. The higher the bonding strength is, the better…
Tungsten nozzle, which can be made of pure tungsten, tungsten alloy or tungsten carbide, is a very important part in many kinds of equipment such as oil injection, sand blasting, and spraying, etc. And therefore, it can be used in many industries such as automobile industry, electroplating industry, and surface treatment industry, etc. Pure tungsten nozzle, tungsten alloy nozzle and tungsten carbide nozzle are different from each other in prosperities, such density, the density of pure tungsten nozzle is about…
Tungsten nut is a type of fastener with a threaded hole. And it is almost always used in conjunction with a mating bolt to fasten multiple parts together. In general, the nut and bolt are made of the same material. In other words, the tungsten nut is matched with tungsten bolt. The two partners are kept together by a combination of their threads’ friction (with slight elastic deformation), a slight stretching of the bolt, and compression of the parts to…
Tungsten bolt, the combination of the head and threaded rod, is a form of threaded fastener with an external male thread. Usually, it is used with tungsten nut. Tungsten bolt has high temperature resistance so that it is a very important bolt for high temperature furnace, sintering furnace and other high-temperature environments. It has different standards, such as American, British, and so on. The choosing of the standard should be in accordance with their match machines. Tungsten bolt is widely…
Tungsten cathode may be divided into pure tungsten cathode, potassium tungsten cathode, tungsten-tungsten oxide cathode, WC-ThO2 cathode, and multiple composite rare earth oxide cathode, etc. Pure tungsten cathode does not add any oxide with low thermal electron emission efficiency so that it is little used in vacuum devices. The producing process of this type of cathode material is simple, so, it cost less. While the arc starting performance and ablation resistance performance of the tungsten cathode are relatively poor. Therefore,…