Titanium alloy with light weight, high strength, good toughness, corrosion resistance and other advantages, in aerospace, automotive manufacturing, medical equipment and 3C and other fields have been widely used. Especially in the field of bicycles, titanium alloy frame with its unique metallic luster and unparalleled performance advantages, has won the favor and love of the majority of bicycle enthusiasts.

Advantages of titanium frame:

(1) Can produce lightweight and strong frame pure titanium metal strength is higher. The addition of aluminum and vanadium to titanium metal, which has higher elasticity (compared with aluminum), also facilitates the design.

(2) No rust: titanium is almost not corroded in the general environment. But it has another kind of corrosion phenomenon that is dissimilar metal corrosion.

For example, when different kinds of alloys are joined together, they become electrode states, and the potential difference causes local electrification to cause corrosion. Measures taken for this phenomenon are to insulate with fat paste, etc. (fat paste mixed with metal powder, such as trade name: Ti Plepu, etc.). The metal powder prevents the grease from running off and is used to prevent close contact even after it has run off. It does not matter that this metal powder is conductive, it is destroyed by a small load after contact.

(3) Good riding feeling: titanium is also used in the spring of the shock absorber. Now the frame made of titanium is suitable for long rides. Some riders love titanium frames, think that riding is excellent. However, individuals are different, some people and chromium molybdenum steel after comparison that chromium molybdenum steel frame impact absorption is better than titanium frame, riding sense is better than titanium frame (this and the shape of chromium molybdenum steel frame and the result of thin tube stress is also related to the increase). If the processing technology of titanium tubes is further improved, it may have the same riding sense as chromium molybdenum steel.

Some titanium frames make people feel wobbly, which may be related to the use of a plane tube (an unpadded tube whose thickness cannot be changed). Or although the use of high-strength titanium alloys, but not thin tubes and so on is also related.

Titanium frame bare frame design

However, when we look at the titanium alloy bicycles on the market, it is not difficult to find that many frames have chosen a bare frame design, that is, no painting treatment. There are several reasons behind this that are worth exploring.

First of all, the titanium frame is not unlacquered. In fact, some high-end titanium alloy bicycle brands, such as a brand of titanium alloy bicycle in the United States, have tried to cover the surface of the frame with white paint. In addition, brands like American handmade frames and early road titanium frames also use spray paint designs. These examples show that the titanium frame can be painted.



However, why do most titanium alloy frames choose bare frame design? One of the important reasons is that the titanium alloy material itself has good corrosion resistance and oxidation resistance. Unlike the aluminum alloy frame, which is easy to oxidize and the steel frame is easy to rust, the titanium alloy frame can maintain stable performance even if it is exposed to the air for a long time. Therefore, from the point of view of protecting the frame, the titanium frame does not require additional paint protection.

Another reason is that the metallic luster of the titanium frame is very special and charming. This deep metallic luster adds a unique aristocratic temperament to the titanium frame, which has attracted the love of many riders. If covered with paint, it is likely to cover up this unique metallic luster, making the titanium frame lose its unique charm. For many riders, maintaining the bare frame of the titanium alloy frame is more able to show its unique value and personality.

In addition, the solder joints of titanium alloy frames are often very delicate, which is one of the reasons why many riders choose the bare frame design. If the car paint covers these solder joints, it may mask these delicate details and reduce the overall beauty of the frame.

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