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Top watches are also made of titanium! Let's take a look at its advantages _ Sports Table Full-time Job

Nov 11th, 2022 at 00:33   Engineering   Salford   1.1K views
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Original title: Top watches are also made of titanium! Let's take a look at its advantages. Top watches are also made of titanium! Let's take a look at its advantages. There are not many accessories on the body, and a beautiful wristwatch will be a good accessory. Moreover, in summer, we are always energetic, and wearing sports watches is in line with the atmosphere of this season. In addition, in terms of reality, it is easy to sweat in summer, and sports watches are often matched with metal chains or rubber watchbands, which do not need to worry about the problem of sweat stains on watches. Common sports watch materials, such as stainless steel and titanium, are durable and tough, so people need not worry too much when wearing them. At present, the mainstream material of sports watches is still stainless steel, but some high-end watch brands will also introduce some precious metal sports watches, but these valuable precious metal watches are actually more like formal watches with the appearance of sports watches, few people are willing to wear such valuable K gold sports watches to participate in some leisure activities. The metals that can be used as watch materials are stainless steel, ceramics, 18K gold, platinum, tungsten steel, and even Richard Mille RM056 series watches with sapphire glass case. Using these materials to make watch cases is also the good attributes that watch manufacturers value these materials, such as ceramics are very wear-resistant, gold is expensive and so on. Vacheron Constantin Ref. 7910V/000T watch made of titanium alloy In addition to the above materials, titanium is also a well-known material for sports watches. However, compared with stainless steel,ti6al4v, titanium has a relatively late history in the field of watchmaking. It was probably in the 1970s and 1980s that watch brands began to use this kind of material to make watches. Let's first understand what kind of material titanium is. For many friends, titanium is a very novel material, is the "space age" metal, not only by the aerospace, aviation industry as a guest of honor. It is embodied in civil medical equipment and sports watches. The metal was invented in 1971 by a British amateur scientist named William George, when he analyzed sand from Cornwall and found some "reddish-brown mineral ash" that he could not identify. Four years later, an Austrian chemist confirmed Martin Heinrich Klaproth that George had indeed discovered a new element. Klaproth named the new element "titanium.". However, the development of industrial applications for titanium alloys is relatively new. Wilhelm Kroll from Luxembourg is considered the father of the modern titanium industry. During the 1930s, Kroll developed a method of working titanium,nickel titanium wire, which was improved during the 1940s and is still in use today. The emergence of the titanium metal industry coincides with the requirements of the rise of the aviation industry, and it is the most ideal material for building jet aircraft. Before the mid-1970s, more than 85% of the titanium produced was used in the aerospace industry. Titanium's unique properties: half the density of steel, excellent strength retention (to 1000 degrees Fahrenheit), and much higher resistance to environmental corrosion than other metals. This makes it ideal for the construction of engines and aircraft frames for jet aircraft, rockets and spacecraft. Since the 1970s, the price of titanium factory products has been falling, which makes titanium widely used in all walks of life. The most common compound is titanium oxide, which is often used in the production of pigments, paints, paper, plastics, glass, and pottery. Gemstone craftsmen should be interested to know that the "stars" of star ruby and sapphire crystal are all due to the existence of titanium oxide. Naval architects also appreciate titanium's superior resistance to corrosion by saline, so it is used to make propellers, shafts, and other parts. The Navy also uses it on submarines. Expand the full text Titanium is not a rare metal, titanium bar grade 5 ,titanium bar gr7, and it ranks ninth in the Earth's crust. The supply of titanium ore can be maintained for at least 10,000 years. It has been found in meteorites, moon rocks, the sun and other planets. However, the titanium extraction process is relatively slow and costly, which makes it expensive. For many years, high prices have limited the use of titanium in military and aerospace applications. In the field of watchmaking, titanium is lighter and more corrosion-resistant than stainless steel watches. The main advantages of titanium alloys over steel are their low density and high corrosion resistance; metals and platinum for white metal watches are now hot. The number of titanium watches is not much compared to steel watches, but we are seeing more and more titanium watches than ever before. Titanium has a number of properties that make it of great industrial and commercial interest: -Hardness: titanium is 30% harder than steel; -Lightweight: Titanium weighs 47.90 atoms, which is nearly 50% lighter than steel; -Corrosion resistance: When titanium is exposed to air, a dense and strong oxide film is formed on its surface, which resists the attack of different substances on other metals. It is particularly effective in the erosion of saline. Nowadays, the popularity of titanium watches is getting higher and higher, and there are more detailed classifications, for example, the titanium metal commonly used in watchmaking can be roughly divided into grade 2 titanium metal and grade 5 titanium metal, grade 2 titanium metal characteristics such as light weight and corrosion resistance, but the strength of grade 5 titanium metal is stronger (6% aluminum and 4% vanadium in the composition). However, because it is not easy to make, watches made of grade 5 titanium are usually a little more expensive. When it comes to titanium, we often think of its lightweight characteristics first, but in fact, besides being lighter than stainless steel, titanium has other characteristics that are quite suitable for watchmaking. 1. Light and full Generally speaking, the density of titanium is lower than that of stainless steel (the density of the former is about 4.5g/cm3, while that of the latter is 8g/cm3), in other words, titanium is lighter than stainless steel, and this difference is more obvious in diving watches with relatively thick cases, such as Pelagos and Rolex. They weigh 157 grams and 212 grams respectively, with a difference of more than 50 grams, and you can feel the lightweight advantages of titanium on your hands. 2. High compression resistance and strength The weight and density of titanium metal are lighter and lower than those of stainless steel, but taking grade 5 titanium metal as an example, its strength can reach 1000 MPa, which is five times that of stainless steel. Therefore, for example, the aerospace and aviation industries often use a large number of titanium metals as the main materials for making rockets and aircraft. In addition, the Vickers hardness of titanium is generally about 350HV, while the hardness of stainless steel is about 150 ~ 200 HV, which shows that the strength of titanium is also relatively high. 3. Skin-friendly Some people may be allergic to the nickel in stainless steel, but titanium does not contain nickel, so it will not cause allergic reactions to the wearer-the natural oxide layer on the surface of titanium is not easy to cause allergies, so it is more comfortable to wear. 4. Corrosion resistance Although today, science has improved the corrosion resistance of stainless steel a lot. But the inherent corrosion resistance of titanium is even better. If you want to corrode titanium, unless you soak the watch in strong acids such as nitric acid, it is basically so ugly that titanium will rust. So we often see diving watches advertised to be made of titanium, because even if you are exposed to high salt water for a long time, titanium watches will not be in danger of corrosion. 5. Low thermal conductivity The thermal conductivity of metal doesn't seem to have much relevance to our wear on the surface, but we can imagine two situations: the cold moment when we wear a watch with a metal chain on our wrist on a winter morning, or the hot sensation when a watch is suddenly worn on our wrist in high temperature. At this time, titanium metal is not easy to appear too cold or too hot, which is the advantage of lower thermal conductivity. In the range of mechanical watches with low prices such as thousands of pieces, stainless steel watches are usually the world. In this price, few brands use titanium to make watch cases, but if the budget rises to the price of 10000 yuan,nickel titanium wire, the style of titanium watches will become more abundant. Therefore, if the price is similar, the above points are listed. It may be the decisive point in deciding whether you want to choose a titanium or stainless steel watch. Return to Sohu to see more Responsible Editor:. yunchtitanium.com

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