What is the difference between magnesium alloy and aluminum alloy?

Release time:

2023-06-08 16:34

I believe some people know that aluminum alloy and magnesium alloy in the non-ferrous alloy metal industry are two types of alloy metal raw materials that are relatively widely used in modern industrial fields. However, there is still a little difference in performance between the two. Next, I will take you to understand the difference between magnesium alloy and aluminum alloy. The difference between

magnesium alloy and aluminum alloy:

1. tensile strength is different:

After experiments, it is concluded that if magnesium alloy materials and aluminum alloy materials of the same area are made into similar frames or other types of components, the strength of magnesium alloy is not as good as that of aluminum alloy. The fatigue resistance of

2. is different

. According to the previous statement, magnesium alloy and aluminum alloy materials with the same area are made into similar frames or other shaped components. The durability of magnesium alloy is not as good as that of aluminum alloy. This is also the disadvantage that magnesium alloy needs to be improved and improved. In the next few years, this small bottleneck can be broken by magnesium alloy researchers, as more and more white-collar workers ride more and more times, they are also particular about materials. The increase in the number of rides also leads to the higher the number of stress occurrences, the lower the strength, and even the frame life is less than 2-3 years. Therefore, if you want to satisfy some professional riders, magnesium alloy must break through this bottleneck, which is also a small reason why professional riders do not use magnesium alloy frames, if the use is also calculated in the competition, the mileage is replaced in the form of abandonment, it can be seen that the fatigue resistance of aluminum alloy is better than that of magnesium alloy.

3. alloy elements are different

has some similarities on the periodic table of elements. Magnesium is easier to oxidize and corrode than aluminum, resulting in certain limitations in the application range of magnesium alloy. This is also because magnesium alloy has not promoted popularization like aluminum alloy. At present, the application field is only limited to some aerospace, automobile, ship, medical and other related industrial fields.

4. have different manufacturing costs.

magnesium alloy is an active metal. It has extremely high requirements in manufacturing equipment and environment, resulting in high cost. The price of bicycle frame produced is not as high as that of aluminum alloy frame.

5. magnesium alloy and aluminum alloy with different density

and the same area. The weight of magnesium alloy is much lighter and is the 1/3 of aluminum, which is also one of the advantages of magnesium alloy.

6. Modulus of Elasticity

The rigidity of the frame made of magnesium alloy is lower than that of the aluminum alloy frame. The frame made of the same thickness and tube inner diameter is easier to absorb in actual riding. A lot of pedaling force affects riding efficiency.

In general, magnesium and aluminum have their own advantages, but relatively speaking, it seems that aluminum alloy has greater advantages than magnesium alloy at present, and its application fields are relatively wide. However, with the research of magnesium alloy developers, the price and performance can be improved to a certain extent.

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