亚洲欧洲日韩一区二区三区_亚洲成人无码网站在线观看_国产欧美日韩四季色欲_kk久精品毛片A级蜜桃_国产sm一区二区视频_亚洲AV偷窥自拍_含羞草视频下载污_中文字幕精品亚洲字幕资源网_欧美手机午夜久久网_正在播放美乳高潮在线

Preparation of tungsten disulfide nanosheets has attracted more and more attention from scholars with the popularization of tungsten disulfide. For example, some experts have synthesized atomically thin transition-metal tungsten disulfide (WS2) with layer controllability and large-area uniformity, which is an essential requirement for its application in electronic and optical devices. More details, please visit: http://tungsten-disulfide.com/index.html The experts described a process for the preparation of tungsten disulfide nanosheets through the sulfurization of an atomic layer deposition WO3 film with systematic layer…

Tungsten alloy underwater bullet is a specially designed tungsten alloy bullet with large aspect ratio and excellent performance for applications of underwater rifles and underwater submachine guns. It means that the warhead of the tungsten alloy bullet for underwater firearms is slender, and therefore its effective range is far from that of ordinary bullets. Tungsten alloy warhead of such a bullet looks like a needle. More details, please visit: http://www.tungsten-alloy.com/en/alloy04.htm You know, underwater firearms are indispensable equipment for special combat…

Tungsten alloy core armor-piercing bullet is a new type of armor-piercing projectile developed to replace the depleted uranium projectile. Compared with toxic and radioactive depleted uranium shells, tungsten alloy core armor-piercing projectiles is an environmentally friendly weapon. Moreover, the armor-piercing projectile using tungsten alloy as the core material has the advantages of high speed, large kinetic energy, low trajectory, short flight time, high hit accuracy, and large armor-piercing power. In a word, the overall performance of tungsten alloy projectiles is…

As a new solid lubricating material, tungsten disulfide (WS2) is more heat-resistant, wear-resistant, environmentally friendly, energy-saving, and cost-saving than traditional solid lubricants. More details, please visit: http://tungsten-disulfide.com/index.html According to the experts, WS2 has excellent heat resistance, and its oxidation temperature is about 100 °C higher than that of molybdenum disulfide (MoS2); moreover, it also has lubricity at a high temperature of 450 °C to help prevent sintering or seizure. WS2 has excellent extreme pressure performance to resist high surface pressure.…

Tungsten disulfide (WS2) is known as the best dry film lubricant, and is regarded as the best way to solve surface wear. Well, do you know – what are the properties of WS2? More details, please visit: http://tungsten-disulfide.com/index.html Physical properties of tungsten disulfide: Gray fine crystals or powder with metallic luster. Hexagonal (β-WS2) or orthorhombic crystal system (α-WS2). It has a layered structure, wherein, each W ion is surrounded by a cluster of S atoms arranged in a triangular prism…

Nano tungsten disulfide, or nano WS2, is well-known as one of the most lubricious substance in world. It is a dry/solid lubricant powder with a low friction coefficient and a large compressive strength. Purity of nano tungsten disulfide is higher than 99.9%, W = 73.5-74.3 wt%. More details, please visit: http://tungsten-disulfide.com/index.html Nano tungsten disulfide has unmatched dry lubricity than any other substance, including graphite or molybdenum disulfide (MoS2), so it is widely used as a dry lubricant in aerospace, aviation,…

Tungsten alloy kinetic energy penetrator refers to a kinetic energy penetrator that adopts tungsten heavy alloy or a new type of tungsten alloy composite material as the core material of the armor-piercing projectile. The reason why tungsten alloy can serve as the core material of the kinetic energy armor-piercing projectile is that tungsten alloy has many good properties, such as high density, high melting point, high strength, good machinability, and extremely stable dynamic plastic deformation performance. More details, please visit:…

According to the literature, the new tungsten alloy ball can be used as a good high-speed impact body for cluster bomb (a canister of small individual bombs that is dropped from an aircraft) to improve its killing power. In the past, most of the cluster bombs used steel balls and lead balls, which have main disadvantage – lighter in weight, so that they are less powerful for weapons. More details, please visit: http://www.tungsten-alloy.com/en/alloy04.htm In order to further improve the killing…

According to the literature, the researchers have developed a new tungsten tin alloy shotgun bullet core. The bullet core of shotgun is mainly composed of some tungsten tin alloy balls. The preparation process of such tungsten tin alloy balls includes three steps, namely powder mixing, “V” mixer mixing, and die casting. More details, please visit: http://www.tungsten-alloy.com/en/alloy04.htm This new tungsten tin alloy shotgun bullet core has higher density than tungsten alloy shotgun bullet core to reach the ideal range. The density…